"reverse c++" Code Answer's
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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;
}
how to reverse a vector
//vector<int> A;
reverse(A.begin(),A.end());
c++ reverse array
int arr[5] = {1, 2, 3, 4, 5}; //Initialize array
for(int i = 0; i < size(arr); i++) {
//Create temporary variable to hold current value in array
int temp = arr[i];
//Set the current value in the array to the mirrored value in array
arr[i] = arr[size(arr) - 1 - i];
//Set mirrored value in array to temp, swapping the two numbers
arr[size(arr) - 1 - i] = temp;
}
std::reverse
std::vector<int> v{1,2,3};
std::reverse(std::begin(v), std::end(v));
Source: en.cppreference.com
c++ reverse part of vector
//Reverse vector partially (from index x to index y)
reverse(v.begin()+x, v.begin()+y+1);
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