Submission

[PPPPPPPPP]

Score: 100

User: Angonnyyy

Problemset: ขนมของเซ้น143 (v.ง่าย)

Language: c

Time: 0.001 second

Submitted On: 2024-10-01 11:50:21

// Online C compiler to run C program online
#include <stdio.h>
#include<math.h>

int main() {
    long long int sum1=0,sum2=0,ans;
    int n,i;
    scanf("%d",&n);
    for(i=1;i<=n;i++){
        sum1 += i;
    }
    for(i=n;i>0;i--){
        sum2 += i;
        sum1 -= i;
        if(sum1>sum2){
            ans = sum1-sum2;
        }
        else if(sum1==sum2){
            printf("0");
            break;
        }
        else{
            if(ans>=sum2-sum1){
                printf("%lld",sum2-sum1);
                return 0;
            }
            else{
                printf("%lld",ans);
                return 0;
            }
        }
    }
}