function to reverse a vector c++ code example
Example 1: c++ reverse vector
#include <bits/stdc++.h> // Vector
#include <algorithm> // Reverse
using namespace std;
int main()
{
vector<int> nums{4,1,2,1,2};
reverse(nums.begin(), nums.end());
return 0;
}
Example 2: reverse a vector
vector<int> a = {1,2,3,4,5,6};
reverse(a.begin(), a.end());