[임동민] 61차 라이브코테 제출 (#505)

* 61차 1번 문제풀이

* 61차 2번 문제풀이

* 61차 3번 문제풀이

Author: dongmin115

live6/test61/문제1/임동민.js

@@ -0,0 +1,24 @@
+const input = require('fs')
+    .readFileSync(process.platform === 'linux' ? '/dev/stdin' : './input.txt')
+    .toString()
+    .trim()
+    .split('\n')
+    .map(e => e.split(' ').map(Number));
+
+function solution() {
+    const T = input[0][0];
+    let idx = 1;
+
+    const result = [];
+
+    for(let t=0; t<T; t++){
+        const [N,M] = input[idx];
+        idx += M + 1;
+
+        result.push(N-1);
+    }
+
+    console.log(result.join('\n'));
+}
+
+solution();

live6/test61/문제2/임동민.js

@@ -0,0 +1,26 @@
+const input = require('fs')
+    .readFileSync(process.platform === 'linux' ? '/dev/stdin' : './input.txt')
+    .toString()
+    .trim()
+    .split('\n')
+    .map(e => e.split(' ').map(Number));
+
+function solution() {
+    const [N,_] = input[0];
+    const numArr = input[1];
+    const testCase = input.slice(2);
+    const result = [];
+    const sum = new Array(N+1).fill(0);
+
+    for(let i=0; i<N; i++) {
+        sum[i+1] = sum[i] + numArr[i];
+    }
+
+    testCase.forEach(([start, end]) => {
+        result.push(sum[end] - sum[start - 1]);
+    })
+
+    console.log(result.join('\n'));
+}
+
+solution();

live6/test61/문제3/임동민.js

@@ -0,0 +1,11 @@
+function solution(citations) {
+    let result = 0;
+
+    for(let i=0; i<=citations.length; i++) {
+        const count = citations.filter(e => e >= i).length;
+        if(count >= i){
+            result = i;
+        }
+    }
+    return result;
+}