How to Reverse a Vector in C++ - Step by Step Examples

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How to Reverse a Vector in C++ ?

Answer

To reverse a vector in C++, you can use the `std::reverse` function.

✐ Examples

1 Reverse a Vector of Integers

In this example,

We create a vector named intVector containing integers.
We use the std::reverse function to reverse the order of elements in the vector.

C++ Program

#include <iostream>
#include <vector>
#include <algorithm>

int main() {
    std::vector<int> intVector = {1, 2, 3, 4, 5};
    std::reverse(intVector.begin(), intVector.end());
    for (const auto& num : intVector) {
        std::cout << num << " ";
    }
    return 0;
}

Output

5 4 3 2 1

2 Reverse a Vector of Characters

In this example,

We create a vector named charVector containing characters.
We use the std::reverse function to reverse the order of elements in the vector.

C++ Program

#include <iostream>
#include <vector>
#include <algorithm>

int main() {
    std::vector<char> charVector = {'a', 'b', 'c', 'd', 'e'};
    std::reverse(charVector.begin(), charVector.end());
    for (const auto& ch : charVector) {
        std::cout << ch << " ";
    }
    return 0;
}

Output

e d c b a

Summary

In this tutorial, we learned How to Reverse a Vector in C++ language with well detailed examples.

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How to Reverse a Vector in C++ - Step by Step Examples

How to Reverse a Vector in C++ ?

Answer

✐ Examples

1 Reverse a Vector of Integers

C++ Program

Output

2 Reverse a Vector of Characters

C++ Program

Output

Summary

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