Question

How to insert spaces between words that start with capital in a string with C++

Answer 1

#include <iostream>
  
using namespace std;
  
string insert_spaces(string s) { 
    string tmp = "";
    int len =  s.length();
    for (int i = 0; i < len; i++) {
         if (s[i] >= 'A' && s[i] <= 'Z' && i != 0) { 
             tmp.append(" ");
         }
         tmp.append(1, s[i]);
    }
    return tmp;
} 
  
int main() {
    string s = "PythonJavaPascalF#C++C#";
  
    s = insert_spaces(s);
      
    cout << s;
}
  
  
  
/*
  
Python Java Pascal F# C++ C#
  
*/
 

 

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Answer 2

#include <iostream>
     
using namespace std;
     
string insert_space(string s) { 
    for (int i = 1; i < s.length(); i++) {
         if (s[i] >= 'A' && s[i] <= 'Z') { 
             s.insert(i, " ");
             i++;
         }
    }
    return s;
} 
     
int main() {
    string s = "PythonJavaPascalC#C++F#";
     
    s = insert_space(s);
    
    cout << s;
}
     
     
     
/*
     
Python Java Pascal C# C++ F#
     
*/

 

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