Array element inverse

using namespace std;

int main1() {

int arr[5] = { 2,3,4,5,6 };

cout << "before array inversion:" << endl;

for (int i = 0; i < 5; i++) {

cout << arr[i] << endl;

}

int start = 0;//Record the position of the starting subscript

int end = sizeof(arr) / sizeof(arr[0])-1;//The position of the end subscript of the record

//Realize element exchange

while (start < end) {

int temp = arr[start];

arr[start] = arr[end];

arr[end] = temp;

//Subscript update

start++;

end--;

}

//Print the reversed array

cout << "Array elements are inverted" << endl;

for (int i = 0; i < 5; i++) {

cout<< arr[i] << endl;

}

system("pause");

return 0;

}