Check out example codes for "sort string according to length in c++". It will help you in understanding the concepts better.

Code Example 1

#include <bits/stdc++.h> 
using namespace  std; 
  
// Function to check the small string 
bool compare(string &s1,string &s2) 
{ 
    return s1.size() < s2.size(); 
} 
  
// Driver function 
int main() 
{ 
    string arr[] = {"GeeksforGeeks", "I", "from", "am"}; 
    int n = sizeof(arr)/sizeof(arr[0]); 
      
    // Function to perform sorting 
    sort(arr, arr+n, compare); 
  
    return 0; 
}

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