#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);
return 0;
}
void cal (int x, int y, int *sum, int *diff, int *mul, int *mod){
*sum = x+y;
*diff = x-y;
*mul = x*y;
*mod = x%y;
}
if(x<0){
return x;
}
return -x;
}
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