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