#include <stdio.h>
void swap(int *x,int *y){
int w;
w=*x;
*x=*y;
*y=w;}
void sort(int*x,int*y){
if(*x<*y)
swap(x,y);}
int main(void) {
int x,y;
sort(&x,&y);
return 0;
}
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