#include <stdio.h>
void cal (int x, int y, int *sum, int *diff, int *mul, int *mod);
int main(void){
int x,y,sum,diff,mul,mod;
cal(x,y,&sum,&diff,&mul,&mod);
printf("sum:%d diff:%d mul:%d mod:%d\n",sum
,diff
,mul
,mod
); return 0;
}
void cal(int x,int y,int *sum,int *diff,int *mul,int *mod){
*sum=x+y;
if(x>=y){
*diff=x-y;
}else{
*diff=y-x;
}
*mul = x*y;
*mod = x/y;
}
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