题解 | 矩阵计算
矩阵计算
https://www.nowcoder.com/practice/0c83231923c541d2aa15861571831ee5
#include <stdio.h>
int main() {
int n = 0;
int m = 0;
int tmp = 0;
int sum = 0;
scanf("%d %d", &n, &m);
for (int i = 0; i < n; i++) {
for(int j = 0; j < m; j++){
scanf("%d", &tmp);
if (tmp > 0) {
sum = sum + tmp;
}
}
}
printf("%d", sum);
return 0;
}
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