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HackerRank
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10 files changed

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lines changed

‎HackerRank/Algorithms/Implementation/Implementation.ipynb‎

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{
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"cells": [
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{
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"# [Grading Students](https://www.hackerrank.com/challenges/grading/problem)"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 1,
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"metadata": {},
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"outputs": [
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{
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"name": "stdin",
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"output_type": "stream",
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"text": [
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" 4\n",
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" 73\n"
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]
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},
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{
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"name": "stdout",
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"output_type": "stream",
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"text": [
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"75\n"
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]
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},
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{
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"name": "stdin",
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"output_type": "stream",
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"text": [
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" 67\n"
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]
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},
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{
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"name": "stdout",
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"output_type": "stream",
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"text": [
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"67\n"
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]
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},
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{
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"name": "stdin",
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"output_type": "stream",
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"text": [
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" 38\n"
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]
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},
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{
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"name": "stdout",
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"output_type": "stream",
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"text": [
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"40\n"
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]
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},
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{
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"name": "stdin",
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"output_type": "stream",
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"text": [
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" 33\n"
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]
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},
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{
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"name": "stdout",
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"output_type": "stream",
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"text": [
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"33\n"
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]
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}
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],
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"source": [
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"n=int(input())\n",
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"for i in range(n):\n",
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" n1=int(input())\n",
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" if n1>37:\n",
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" if (5-n1%5)<3:\n",
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" print(n1+5-n1%5)\n",
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" else:\n",
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" print(n1)\n",
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" else:\n",
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" print(n1)"
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]
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"metadata": {},
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"outputs": [],
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"source": []
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}
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],
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"metadata": {
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"kernelspec": {
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"display_name": "Python 3",
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"language": "python",
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"name": "python3"
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},
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"language_info": {
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"codemirror_mode": {
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"name": "ipython",
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"version": 3
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},
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"file_extension": ".py",
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"mimetype": "text/x-python",
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"name": "python",
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"nbconvert_exporter": "python",
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"pygments_lexer": "ipython3",
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"version": "3.8.2"
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}
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},
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"nbformat": 4,
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"nbformat_minor": 4
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}

‎HackerRank/Algorithms/Warmup/Untitled.ipynb‎

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{
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"cells": [
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{
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"# [Diagonal Difference](https://www.hackerrank.com/challenges/diagonal-difference/problem)"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 9,
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"metadata": {},
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"outputs": [
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{
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"name": "stdout",
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"output_type": "stream",
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"text": [
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"2\n"
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]
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}
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],
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"source": [
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"'''\n",
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"1 2 3\n",
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"4 5 6\n",
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"9 8 9 \n",
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"'''\n",
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"a=[[1,2,3],[4,5,6],[9,8,9]]\n",
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"c=0\n",
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"for i in range(len(a)):\n",
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" c+=a[i][i]-a[i][len(a)-i-1]\n",
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"print(abs(c))"
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]
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},
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{
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"# [Plus Minus](https://www.hackerrank.com/challenges/plus-minus/problem)"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 7,
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"metadata": {},
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"outputs": [
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{
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"name": "stdout",
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"output_type": "stream",
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"text": [
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"3\n",
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"5\n",
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"9\n"
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]
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}
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],
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"source": [
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"'''\n",
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"6\n",
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"-4 3 -9 0 4 1\n",
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"'''\n"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 10,
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"metadata": {},
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"outputs": [
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{
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"name": "stdin",
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"output_type": "stream",
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"text": [
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" 6\n",
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" -4 3 -9 0 4 1\n"
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]
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},
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{
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"name": "stdout",
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"output_type": "stream",
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"text": [
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"0.5\n",
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"0.3333333333333333\n",
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"0.16666666666666666\n"
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]
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}
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],
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"source": [
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"n=int(input())\n",
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"a=list(map(int,input().split()))\n",
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"positive=0\n",
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"negative=0\n",
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"zero=0\n",
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"for i in a:\n",
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" if i>0:\n",
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" positive+=1\n",
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" elif i<0:\n",
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" negative+=1\n",
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" else:\n",
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" zero+=1\n",
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"print(f'{positive/n}\\n{negative/n}\\n{zero/n}')"
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]
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},
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{
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"# [Staircase](https://www.hackerrank.com/challenges/staircase/problem) "
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]
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},
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{
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"cell_type": "code",
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"execution_count": 12,
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"metadata": {},
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"outputs": [
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{
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"name": "stdin",
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"output_type": "stream",
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"text": [
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" 8\n"
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]
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},
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{
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"name": "stdout",
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"output_type": "stream",
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"text": [
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" #\n",
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" ##\n",
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" ###\n",
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" ####\n",
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" #####\n",
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" ######\n",
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" #######\n",
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"########\n"
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]
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}
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],
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"source": [
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"'''\n",
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" #\n",
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" ##\n",
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" ###\n",
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"####\n",
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"'''\n",
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"n=int(input())\n",
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"for i in range(n):\n",
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" print(' '*(n-i-1),'#'*(i+1),sep='')"
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]
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},
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{
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"# [Mini-Max Sum](https://www.hackerrank.com/challenges/mini-max-sum/problem)"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 14,
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"metadata": {},
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"outputs": [
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{
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"name": "stdin",
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"output_type": "stream",
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"text": [
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" 1 2 3 4 5\n"
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]
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},
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{
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"name": "stdout",
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"output_type": "stream",
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"text": [
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"10 14\n"
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]
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}
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],
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"source": [
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"a=list(map(int,input().split()))\n",
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"a.sort()\n",
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"print(sum(a[:-1]),sum(a[1:]))"
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]
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},
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{
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"# [Birthday Cake Candles](https://www.hackerrank.com/challenges/birthday-cake-candles/problem)"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 18,
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"metadata": {},
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"outputs": [
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{
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"name": "stdin",
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"output_type": "stream",
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"text": [
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" 4\n",
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" 3 2 1 3\n"
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]
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},
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{
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"name": "stdout",
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"output_type": "stream",
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"text": [
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"2\n"
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]
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}
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],
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"source": [
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"n=int(input())\n",
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"a=list(map(int,input().split()))\n",
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"print(a.count(max(a)))"
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]
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},
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{
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"# [Time Conversion](https://www.hackerrank.com/challenges/time-conversion/problem)"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 28,
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"metadata": {},
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"outputs": [
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{
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"name": "stdin",
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"output_type": "stream",
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"text": [
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" 07:05:45PM\n"
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]
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},
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{
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"name": "stdout",
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"output_type": "stream",
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"text": [
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"19:05:45\n"
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]
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}
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],
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"source": [
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"'07:05:45PM'\n",
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"s=input()\n",
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"hh=int(s[:2])%12\n",
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"if s[-2:]=='PM':\n",
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" hh+=12\n",
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"print(str(hh)+s[2:-2])"
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]
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"metadata": {},
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"outputs": [],
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"source": []
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}
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],
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"metadata": {
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"kernelspec": {
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"display_name": "Python 3",
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"language": "python",
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"name": "python3"
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},
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"language_info": {
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"codemirror_mode": {
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"name": "ipython",
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"version": 3
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},
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"file_extension": ".py",
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"mimetype": "text/x-python",
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"name": "python",
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"nbconvert_exporter": "python",
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"pygments_lexer": "ipython3",
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"version": "3.8.2"
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}
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},
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"nbformat": 4,
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"nbformat_minor": 4
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}

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