#include <stdio.h>
void calculate(int (*a)[4]) {
for (int i = 0; i < 3; i++) {
int sum = 0;
for (int j = 0; j < 4; j++) {
sum += a[i][j];
}
}
}
int main(void) {
int a[3][4] = {
1, 2, 3, 4,
5, 6, 7, 8,
9, 10, 11, 12
};
calculate(a);
return 0;
}
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