🐣 문제

링크 : https://www.acmicpc.net/problem/1193

🐥 코드

#include<iostream>

using namespace std;

int main(){
    int N;
    cin >> N;

    int cnt = 0;
    while(N > cnt){
        N -= cnt;
        cnt ++;
    }

    if(cnt % 2 != 0) cout << cnt-N+1 << "/" << N;
    else cout << N << "/" << cnt-N+1;
    return 0;
}