How to Iterate Over an Array in Reverse Order in C++ - Step by Step Examples
How to Iterate Over an Array in Reverse Order in C++ ?
Answer
To iterate over an array in C++ in reverse order, you can use a for
loop starting from the last index to the first index.
✐ Examples
1 Iterate Over Integer Array in Reverse with for Loop
In this example,
- We create an integer array named
numbers
with some values. - We use a
for
loop starting from the last index to iterate over each element of the array in reverse order.
C++ Program
#include <iostream>
#include <vector>
int main() {
std::vector<int> numbers = {1, 2, 3, 4, 5};
for (int i = numbers.size() - 1; i >= 0; i--) {
std::cout << numbers[i] << std::endl;
}
return 0;
}
Output
5 4 3 2 1
2 Iterate Over String Array in Reverse with for Loop
In this example,
- We create a string array named
fruits
with some values. - We use a
for
loop starting from the last index to iterate over each element of the array in reverse order.
C++ Program
#include <iostream>
#include <vector>
#include <string>
int main() {
std::vector<std::string> fruits = {"apple", "banana", "cherry"};
for (int i = fruits.size() - 1; i >= 0; i--) {
std::cout << fruits[i] << std::endl;
}
return 0;
}
Output
cherry banana apple
Summary
In this tutorial, we learned How to Iterate Over an Array in Reverse Order in C++ language with well detailed examples.
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