수들의 합

PHOTO EMBED

Sun Feb 25 2024 07:39:28 GMT+0000 (Coordinated Universal Time)

Saved by @hajinjang0714

#include <iostream>
using namespace std;
int main(){
    long long S, t=1, cnt=0, sum=0;    
    cin >> S;
    while(1){
        sum+=t;
        cnt++;
        if(sum>S){
            cnt--;
            break;
        }
        t++;
    }
    cout << cnt << "\n";
    return 0;
}
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https://www.acmicpc.net/submit/1789/70564872