[황장현] 89차 라이브 코테 제출

live8/test89/문제1/황장현.js

@@ -0,0 +1,35 @@
+const input = require('fs')
+  .readFileSync(process.platform === 'linux' ? '/dev/stdin' : './input.txt')
+  .toString()
+  .trim()
+  .split('\n')
+  .map((el) => el.split(' ').map(Number));
+
+function solution(input) {
+  const N = input[0][0];
+  const elemets = input
+    .slice(1)
+    .flat()
+    .sort((a, b) => a - b);
+
+  let answer = 4;
+
+  for (let i = 0; i < N; i++) {
+    let start = i;
+    let end = N - 1;
+
+    while (start < end) {
+      if (elemets[end] - elemets[start] > 4) {
+        end--;
+      } else {
+        const temp = 4 - (end - start);
+        answer = Math.min(answer, temp);
+        break;
+      }
+    }
+  }
+
+  return answer;
+}
+
+console.log(solution(input));

live8/test89/문제2/황장현.js

@@ -0,0 +1,33 @@
+const input = require('fs')
+  .readFileSync(process.platform === 'linux' ? '/dev/stdin' : './input.txt')
+  .toString()
+  .trim()
+  .split('\n')
+  .map((el) => el.split(' ').map(Number));
+
+function solution(input) {
+  const [N, M] = input[0];
+  const A = input[1];
+
+  let answer = 0;
+  for (let i = 0; i < N; i++) {
+    let p1 = i;
+    let sum = 0;
+
+    while (p1 < N) {
+      sum += A[p1];
+
+      if (sum === M) {
+        answer++;
+        break;
+      }
+      if (sum > M) {
+        break;
+      }
+      p1++;
+    }
+  }
+  return answer;
+}
+
+console.log(solution(input));

live8/test89/문제3/황장현.js

@@ -0,0 +1,14 @@
+function compare(a, b) {
+  if (b.toString()[0] !== a.toString()[0])
+    return b.toString()[0] - a.toString()[0];
+  else {
+  }
+}
+
+function solution(numbers) {
+  numbers.sort((a, b) => compare(a, b));
+  console.log(numbers);
+}
+
+console.log(solution([6, 10, 2, 11]));
+// console.log(solution([3, 30, 34, 5, 9]));