Use the generic replace algorithm to replace all occurrences of R by S : replace « STL Algorithms Modifying sequence operations « C++ Tutorial

1. C++ Tutorial
2. STL Algorithms Modifying sequence operations
3. replace

#include <iostream>
#include <cassert>
#include <algorithm>
#include <vector>
#include <string>
using namespace std;

int main()
{
  string s("FERRARI");
  vector<char> vector1(s.begin(), s.end());

  
  replace(vector1.begin(), vector1.end(), 'R', 'S');

  for(int i=0;i<vector1.size();i++){
     cout << vector1[i] << " ";
  }

  return 0;
}

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