CONVERT STRING TO CAMEL CASE IN C ++

// CPP program to convert given sentence  /// to camel case.  #include <bits/stdc++.h>  using namespace std;     // Function to remove spaces and convert  // into camel case  string convert(string s)  {      int n = s.length();         int res_ind = 0;         for (int i = 0; i < n; i++) {             // check for spaces in the sentence          if (s[i] == ' ') {                 // conversion into upper case              s[i + 1] = toupper(s[i + 1]);              continue;          }             // If not space, copy character          else             s[res_ind++] = s[i];              }         // return string to main      return s.substr(0, res_ind);  }     // Driver program  int main()  {      string str = "I get intern at geeksforgeeks";      cout << convert(str);      return 0;  }