How to Sort a String Array in Dictionary Order in C++


How to Sort a String Array in Dictionary Order in C++ ?

Answer

To sort a string array in C++ in dictionary order, you can use the `sort()` function from the `` library. To sort in descending order, you can use a custom compare function or reverse the array after sorting.



✐ Examples

1 Sort String Array Ascending

In this example,

  1. We create a string array `words` with unsorted elements.
  2. We use the `sort()` function with the array and the `less` comparator for ascending order.
  3. We print the sorted array.

C++ Program

#include <iostream>
#include <algorithm>
#include <string>
#include <vector>
int main() {
    std::vector<std::string> words = {"banana", "apple", "orange", "grape"};
    std::sort(words.begin(), words.end());
    std::cout << "Sorted Array Ascending:\n";
    for (const std::string& word : words) {
        std::cout << word << "\n";
    }
    return 0;
}

Output

Sorted Array Ascending:
apple
banana
grape
orange

2 Sort String Array Descending

In this example,

  1. We create a string array `words` with unsorted elements.
  2. We use a custom compare function or reverse the array after sorting to achieve descending order.
  3. We print the sorted array.

C++ Program

#include <iostream>
#include <algorithm>
#include <string>
#include <vector>
int main() {
    std::vector<std::string> words = {"banana", "apple", "orange", "grape"};
    std::sort(words.begin(), words.end(), std::greater<std::string>());
    std::cout << "Sorted Array Descending:\n";
    for (const std::string& word : words) {
        std::cout << word << "\n";
    }
    return 0;
}

Output

Sorted Array Descending:
orange
grape
banana
apple

Summary

In this tutorial, we learned How to Sort a String Array in Dictionary Order in C++ language with well detailed examples.




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