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Virtusa --> Pairs,Sorting_Comparator
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‎HackerRank/Virtusa/.ipynb_checkpoints/Untitled-checkpoint.ipynb‎

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{
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"cells": [
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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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"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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"# Pairs\n",
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"![Pairs](Pairs.png)"
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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": 23,
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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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" 5 2\n",
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" 1 5 4 3 2\n"
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]
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},
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{
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"data": {
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"text/plain": [
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"3"
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]
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},
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"execution_count": 23,
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"metadata": {},
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"output_type": "execute_result"
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}
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],
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"source": [
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"n,k=map(int,input().split())\n",
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"a=list(map(int,input().split()))\n",
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"\n",
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"len(set(a) & set(x-k for x in 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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"# Sorting: Comparator\n",
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"![Sorting: Comparator](Sorting_Comparator.png)"
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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": 60,
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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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" 5\n",
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" amy 100\n",
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" david 100\n",
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" heraldo 50\n",
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" aakansha 75\n",
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" aleksa 150\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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"aleksa 150\n",
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"amy 100\n",
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"david 100\n",
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"aakansha 75\n",
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"heraldo 50\n"
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]
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}
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],
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"source": [
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"from functools import cmp_to_key\n",
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"class Player:\n",
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" def __init__(self, name, score):\n",
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" self.name=name\n",
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" self.score=score\n",
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" def __repr__(self):\n",
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" return '{0} {1}'.format(self.name,self.score)\n",
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" def comparator(a, b):\n",
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" if a.score > b.score: return -1 \n",
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" if a.score < b.score: return 1 \n",
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" if a.name > b.name: return 1 \n",
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" if a.name < b.name: return -1 \n",
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" return 0\n",
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"\n",
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"n = int(input())\n",
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"data = []\n",
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"for i in range(n):\n",
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" name, score = input().split()\n",
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" score = int(score)\n",
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" player = Player(name, score)\n",
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" data.append(player)\n",
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"\n",
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"data = sorted(data, key=cmp_to_key(Player.comparator))\n",
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"for i in data:\n",
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" print(i.name, i.score)"
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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/Virtusa/Pairs.png‎

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‎HackerRank/Virtusa/Sorting_Comparator.png‎

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‎HackerRank/Virtusa/Untitled.ipynb‎

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{
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"cells": [
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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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"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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"# Pairs\n",
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"![Pairs](Pairs.png)"
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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": 23,
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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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" 5 2\n",
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" 1 5 4 3 2\n"
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]
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},
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{
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"data": {
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"text/plain": [
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"3"
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]
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},
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"execution_count": 23,
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"metadata": {},
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"output_type": "execute_result"
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}
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],
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"source": [
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"n,k=map(int,input().split())\n",
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"a=list(map(int,input().split()))\n",
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"\n",
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"len(set(a) & set(x-k for x in 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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"# Sorting: Comparator\n",
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"![Sorting: Comparator](Sorting_Comparator.png)"
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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": 60,
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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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" 5\n",
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" amy 100\n",
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" david 100\n",
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" heraldo 50\n",
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" aakansha 75\n",
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" aleksa 150\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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"aleksa 150\n",
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"amy 100\n",
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"david 100\n",
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"aakansha 75\n",
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"heraldo 50\n"
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]
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}
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],
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"source": [
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"from functools import cmp_to_key\n",
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"class Player:\n",
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" def __init__(self, name, score):\n",
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" self.name=name\n",
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" self.score=score\n",
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" def __repr__(self):\n",
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" return '{0} {1}'.format(self.name,self.score)\n",
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" def comparator(a, b):\n",
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" if a.score > b.score: return -1 \n",
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" if a.score < b.score: return 1 \n",
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" if a.name > b.name: return 1 \n",
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" if a.name < b.name: return -1 \n",
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" return 0\n",
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"\n",
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"n = int(input())\n",
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"data = []\n",
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"for i in range(n):\n",
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" name, score = input().split()\n",
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" score = int(score)\n",
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" player = Player(name, score)\n",
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" data.append(player)\n",
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"\n",
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"data = sorted(data, key=cmp_to_key(Player.comparator))\n",
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"for i in data:\n",
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" print(i.name, i.score)"
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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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