#include <stdio.h>
#define n 4
int main(void) {
int a[n]={4,3,2,1};
int j,min;
for(int i=0;i<n;i++){
min=i;
for(j=i+1;j<n;j++)
if(a[min]>a[j])
min=j;
if(min!=i){
int t=a[min];
a[min]=a[i];
a[i]=t;
}
}
for(int i=0;i<n;i++)
return 0;
}
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