#include <stdio.h>
void reverse(int *p,int n){
int i,temp;
for(i=0;i<n/2;i++){
temp=*(p+i);
*(p+i)=*(p+n-i-1);
*(p+n-i-1)=temp;
}
}
int main(void){
int a[5]={1,2,3,4,5};
int i;
reverse(a,5);
for(i=0;i<5;i++){
}
}
I2luY2x1ZGUgPHN0ZGlvLmg+Cgp2b2lkIHJldmVyc2UoaW50ICpwLGludCBuKXsKCWludCBpLHRlbXA7Cglmb3IoaT0wO2k8bi8yO2krKyl7CgkJdGVtcD0qKHAraSk7CgkJKihwK2kpPSoocCtuLWktMSk7CgkJKihwK24taS0xKT10ZW1wOwoJfQp9CgppbnQgbWFpbih2b2lkKXsKCWludCBhWzVdPXsxLDIsMyw0LDV9OwoJaW50IGk7CgkKCXJldmVyc2UoYSw1KTsKCQoJZm9yKGk9MDtpPDU7aSsrKXsKCQlwcmludGYoIiVkICIsYVtpXSk7Cgl9Cn0=