>>892 (2) 
#include<stdio.h>
#include<stdlib.h>
void figure( int x, int y, int *p_add, int *p_sub) {*p_add = x + y; *p_sub = abs(x - y);}
int main() {
int x = 50, y = 60, add, sub;
figure(x, y, &add, &sub);
printf("和: %d 差:%d\n", add, sub);
return 0;
}