#include <stdio.h>
void cal(int x, int y, int *sum, int *diff, int *mul, int *mod);
void cal(int x, int y, int *sum, int *diff, int *mul, int *mod) {
int a = x;
int b = y;
*sum = a + b;
*diff = a - b;
if(diff<0){
*diff=-*diff;
}
*mul = x * y;
*mod = x / y;
}
int main(void)
{
int x=10,y=5;
int sum,diff,mul,mod;
cal(x, y, &sum, &diff, &mul, &mod);
return 0;
}
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