Submission

[PPPPPPPPP]

Score: 100

User: Winkrittapas2550gmail.com

Problemset: ขนมของเซ้น143 (v.ง่าย)

Language: cpp

Time: 0.002 second

Submitted On: 2024-09-27 15:50:03

#include<bits/stdc++.h>

#define int long long int
using namespace std;
int32_t main(){
	int i,n,sum=0,dif=0,k=0,m=0;
	cin >> n ;
	for (i=1;i<=n;i++){
		sum=sum+i;
	}
	m=sum;
	for (i=1;i<=n;i++){
		sum=sum-i;
		dif=dif+i;
		k=sum-dif;
		if (k<=0){
			k=k*-1;
			break;
		}
		else if (k>=0&&k<m){
			m=k;
		}
		else {
			break;
		}
	}
	if (k<m){
		m=k;
	}
	cout << m;
}