#include <stdio.h>
void printArray(int a[],int n){
for(int i=0;i<n;i++)
{
printf("%d",a[i]);
}
printf("\n");
}
void reverse(int arr[], int n){
// for i from 0 to n/2
// arr[i] arr[n-i-1]
int temp;
for(int i=0;i<n/2;i++)
{
temp=arr[i];
arr[i]=arr[n-i-1];
arr[n-i-1]=temp;
}
}
int main() {
int arr[]={1,2,3,4,5,6};
printArray(arr,6);
reverse(arr,6);
printArray(arr,6);
return 0;
}
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