Submission #2735746

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Source Code Expand

#include<iostream>
using namespace std;

int main(){
  string s;
  cin >> s;
  bool o = true;
  int ans = 0;
  for(int i = 0 ; i < n ; i++){
    if(o && s[i] == 'I'){
      ans++;
      o = false;
    }else if(!o && s[i] == 'O'){
      ans++;
      o = true;
    }
  }
  cout << ans << endl;
  return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:9:23: error: ‘n’ was not declared in this scope
   for(int i = 0 ; i < n ; i++){
                       ^