#include <stdio.h>

void reverse(int arr[], int n);

int main() {
    int arr[]={1,2,3,4,5};
    reverse(arr,5);
    printArr(arr,5);
    return 0;
}

void printArr(int arr[] ,int n) {
    for (int i=0 ; i<n ; i++) {
        printf("%d\t",arr[i]);
    }
    printf("\n");
}
void reverse(int arr[],int n){
    for(int i=0; i<n/2; i++){
        int firstVal=arr[i];
        int SecondVal=arr[n-i-1];
        arr[i]=SecondVal;
        arr[n-i-1]=firstVal;
    }
}


    

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