Submission #949045

#	Time	Username	Problem	Language	Result	Execution time	Memory
949045		rainboy	MathWorlds (YDX13_mathworlds)	C11	1 / 1	1 ms	600 KiB

D

#include <stdio.h>

int main() {
	int x, y, z, b;

	scanf("%d%d%d", &x, &y, &z);
	b = 0;
	if (x + y == z)
		b |= 1;
	if (x - y == z)
		b |= 2;
	if ((long long) x * y == z)
		b |= 4;
	if (y != 0 && x % y == 0 && x / y == z)
		b |= 8;
	if (b == 1)
		printf("+\n");
	else if (b == 2)
		printf("-\n");
	else if (b == 4)
		printf("*\n");
	else if (b == 8)
		printf("/\n");
	else
		printf("Invalid\n");
	return 0;
}

Compilation message (stderr)

D.c: In function 'main':
D.c:6:2: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
    6 |  scanf("%d%d%d", &x, &y, &z);
      |  ^~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 1 / 1