Submission #1219452

#	Time	Username	Problem	Language	Result	Execution time	Memory
1219452		sleepntsheep	Portal (BOI24_portal)	C11	0 / 100	23 ms	1096 KiB

Main

#include <stdio.h>
#include <stdlib.h>

#define N 200000

int n, x[N], y[N];

int main() {
	scanf("%d", &n);
	if (n == 1) {
		puts("-1");
		return 0;
	}
	for (int i = 0; i < n; ++i)
		scanf("%d%d", x + i, y + i);
	printf("%d\n", abs(x[0] - x[1]) + abs(y[0] - y[1]));

	return 0;
}

Compilation message (stderr)

Main.c: In function 'main':
Main.c:9:9: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
    9 |         scanf("%d", &n);
      |         ^~~~~~~~~~~~~~~
Main.c:15:17: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   15 |                 scanf("%d%d", x + i, y + i);
      |                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 0 / 1
• Subtask 2: 0 / 10
• Subtask 3: 0 / 10
• Subtask 4: 0 / 29
• Subtask 5: 0 / 15
• Subtask 6: 0 / 35