Submission

Score: 10

User: TirpitZ

Problemset: ขนมของเซ้น143 (v.ยาก)

Language: c

Time: 0.232 second

Submitted On: 2024-09-29 10:08:49

#include<stdio.h>

int main()
{
    long n;
    scanf("%ld",&n);
    long long min=100000000,sum=0;
    for(long x=0;x<n;x++)
    {
        sum=(n*(n+1)/2)-(x*(x+1));
        if(sum<0)    sum=sum*(-1);
        if(sum<min)    min=sum;
    }
    printf("%lld",min);
    return 0;
}