Answers for "c++ vector reverse"

C++
13

how to sort a vector in reverse c++

#include <iostream>
#include <vector>
#include <algorithm>
using namespace std;
int main() {
   vector<int> v = { 10, 9, 8, 6, 7, 2, 5, 1 };
   sort(v.begin(), v.end(), greater <>());
}
Posted by: Guest on June-21-2020
1

C++ reverse vector

// C++ program to reverse Vector
// using reverse() in STL
 
#include <bits/stdc++.h>
using namespace std;
 
int main()
{
 
    // Get the vector
    vector<int> a = { 1, 45, 54, 71, 76, 12 };
 
    // Print the vector
    cout << "Vector: ";
    for (int i = 0; i < a.size(); i++)
        cout << a[i] << " ";
    cout << endl;
 
    // Reverse the vector
    reverse(a.begin(), a.end());
 
    // Print the reversed vector
    cout << "Reversed Vector: ";
    for (int i = 0; i < a.size(); i++)
        cout << a[i] << " ";
    cout << endl;
 
    return 0;
}
Posted by: Guest on March-29-2022

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