#include <stdio.h>
int main(void) {
// your code goes here
int arr[5]={1,2,3,4,5};
int temp;
for(int i=0;i<2;i++){
temp=arr[i];
arr[i]=arr[4-i];
arr[4-i]=temp;
}
for(int i=0;i<5;i++){
}
return 0;
}
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