题目内容

#include void reverse(int a[ ],int n){int i=0,j=n-1,t;while(j>i){t=a[i],a[i++]=a[j],a[j--]=t;}}main(){int a[5]={1,2,3,4,5};reverse(a,5);printf("%d",a[4]);}

A. 5
B. 1
C. 15
D. 120

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