문제 : https://programmers.co.kr/learn/courses/30/lessons/68644
function solution(arr) {
const result = new Set();
for (let i = 0; i < arr.length; i += 1) {
for (let j = i + 1; j < arr.length; j += 1) {
const num = arr[i] + arr[j];
result.add(num);
}
}
return [...result].sort((a, b) => a - b);
}
// 실행코드
console.log(solution([2, 1, 3, 4, 1])); // [2,3,4,5,6,7]
console.log(solution([5, 0, 2, 7])); // [2,5,7,9,12]
function solution(arr) {
const result = [];
for (let i = 0; i < arr.length; i += 1) {
for (let j = i + 1; j < arr.length; j += 1) {
const num = arr[i] + arr[j];
if (result.includes(num)) {
continue;
}
result.push(num);
}
}
return result.sort((a, b) => a - b);
}
// 실행코드
console.log(solution([2, 1, 3, 4, 1])); // [2,3,4,5,6,7]
console.log(solution([5, 0, 2, 7])); // [2,5,7,9,12]