Submission

[P-SSSSSSS]

Score: 0

User: tankunkid

Problemset: ขนมของเซ้น143 (v.ง่าย)

Language: cpp

Time: 0.001 second

Submitted On: 2024-09-28 14:07:46

#include <stdio.h>

int main() {
	int N;
	scanf("%d", &N);
	int suma = 0, sumb = 0;
	if (N % 2 == 0) {
		sumb += N;
		sumb += N-1;
		for (int i = 1; i < N-1; i++) {
			suma += i;
		}
	} else {
		sumb += N;
		sumb += N-1;
		sumb += N-2;
		for (int i = 1; i < N-2; i++) {
			suma += i;
		}
	}
	if (suma > sumb) {
		printf("%d", suma-sumb);
	} else {
		printf("%d", sumb-suma);
	}
}