Submission #5097300

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Source Code Expand

#include <bits/stdc++.h>
using namespace std;

int main(){
  string S;
  cin >> S;
  int s=S.size();
  int q=0;
  for(int i=0;i<s;i++){
    if(q%2==0){
      if(S[i]=='I'){q++;}
    }
    else{
      if(S[i]=='O')q++;
    }
  }
  if(q%2==0 && q>0)q--;
  cout << q << endl;
}

Submission Info

Judge Result