Submission #490083

#	Time	Username	Problem	Language	Result	Execution time	Memory
490083		rainboy	Pick (COI18_pick)	C11	10 / 100	0 ms	208 KiB

pick

#include <stdio.h>

int dx[] = { 1, -1, 0, 0, 1, -1, -1, 1 };
int dy[] = { 0, 0, 1, -1, 1, -1, 1, -1 };

int x, y;

void move(int t) {
	printf("%d %d\n", x, y), x += dx[t], y += dy[t];
}

int main() {
	static int kk[4];
	int t, i;

	for (t = 0; t < 4; t++)
		scanf("%d", &kk[t]);
	if (kk[2] == 0 && kk[3] == 0) {
		for (i = 0; i < kk[0] / 2; i++)
			move(0);
		move(2);
		for (i = 0; i < kk[0] / 2 - 1; i++)
			move(1);
		for (i = 0; i < kk[1] / 2 - 1; i++)
			move(2);
		move(1);
		for (i = 0; i < kk[1] / 2; i++)
			move(3);
	} else if (kk[0] == 0 && kk[1] == 0) {
		for (i = 0; i < kk[2] / 2; i++)
			move(4);
		move(6);
		for (i = 0; i < kk[2] / 2 - 1; i++)
			move(5);
		for (i = 0; i < kk[3] / 2 - 1; i++)
			move(6);
		move(5);
		for (i = 0; i < kk[3] / 2; i++)
			move(7);
	}
	return 0;
}

Compilation message (stderr)

pick.c: In function 'main':
pick.c:17:3: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   17 |   scanf("%d", &kk[t]);
      |   ^~~~~~~~~~~~~~~~~~~

• Subtask 1: 5 / 5
• Subtask 2: 5 / 5
• Subtask 3: 0 / 10
• Subtask 4: 0 / 10
• Subtask 5: 0 / 10
• Subtask 6: 0 / 10
• Subtask 7: 0 / 10
• Subtask 8: 0 / 10
• Subtask 9: 0 / 10
• Subtask 10: 0 / 20