Submission #37345123

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Source Code Expand

#include <stdio.h>
#include <string.h>
#include <math.h>

int main(void){
	int n, m;
	scanf("%d %d", &n, &m);
	char c;
	int a[n];

	for(int i = 0; i < n; i++){
		a[i] = 0;
		for (int j = 0; j < m; j++){
			scanf(" %c", &c);
			if(c == 'o'){
				a[i] += pow(2, (m-1)-j);
			}
		}
		// printf("%d\n", a[i]);
	}

	int cnt = 0;
	for (int i = 0; i < n-1; i++){
		for (int j = i+1; j < n; j++){
			// printf("%d\n", a[i] | a[j]);
			if ((a[i] | a[j]) == (pow(2, m) - 1)){
				cnt++;
			}
		}
	}
	printf("%d\n", cnt);

	return 0;
}

Submission Info

Compile Error

./Main.c: In function ‘main’:
./Main.c:7:2: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
    7 |  scanf("%d %d", &n, &m);
      |  ^~~~~~~~~~~~~~~~~~~~~~
./Main.c:14:4: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
   14 |    scanf(" %c", &c);
      |    ^~~~~~~~~~~~~~~~

Judge Result