Submission #1166892

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Source Code Expand

#include<stdio.h>
#include<algorithm>
#include<cstring>
#include<map>
#include<cmath>
using namespace std;

int main()
{
    int x;
    while(~scanf("%d", &x)) {
        int i;
        for(i = 1; ; i++) {
            if(i * i + i >= 2 * x) break;
        }
    printf("%d\n", i);
    }
    return 0;
}

Submission Info

Judge Result