Submission #1246826


Source Code Expand

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

int main() {
  string s;
  cin >> s;
  int ans=0,t=0;
  for(int i=0; i<s.size(); i++) {
    if(t&&s[i]=='O') {
      t^=1;
      ans++;
    } else if(!t&&s[i]=='I') {
      t^=1;
      ans++;
    }
  }
  if(ans&&ans%2==0) ans--;
  cout << ans << endl; 
  return 0;
}

Submission Info

Submission Time
Task A - IOI列車で行こう2
User kzyKT
Language C++14 (GCC 5.4.1)
Score 100
Code Size 334 Byte
Status AC
Exec Time 3 ms
Memory 384 KB

Judge Result

Set Name Sample Subtask1 Subtask2
Score / Max Score 0 / 0 30 / 30 70 / 70
Status
AC × 3
AC × 12
AC × 21
Set Name Test Cases
Sample sample_1.txt, sample_2.txt, sample_3.txt
Subtask1 sample_1.txt, sample_2.txt, sample_3.txt, sub1_1.txt, sub1_2.txt, sub1_3.txt, sub1_4.txt, sub1_5.txt, sub1_6.txt, sub1_7.txt, sub1_8.txt, sub1_9.txt
Subtask2 sample_1.txt, sample_2.txt, sample_3.txt, sub1_1.txt, sub1_2.txt, sub1_3.txt, sub1_4.txt, sub1_5.txt, sub1_6.txt, sub1_7.txt, sub1_8.txt, sub1_9.txt, sub2_1.txt, sub2_2.txt, sub2_3.txt, sub2_4.txt, sub2_5.txt, sub2_6.txt, sub2_7.txt, sub2_8.txt, sub2_9.txt
Case Name Status Exec Time Memory
sample_1.txt AC 1 ms 256 KB
sample_2.txt AC 1 ms 256 KB
sample_3.txt AC 1 ms 256 KB
sub1_1.txt AC 1 ms 256 KB
sub1_2.txt AC 1 ms 256 KB
sub1_3.txt AC 1 ms 256 KB
sub1_4.txt AC 1 ms 256 KB
sub1_5.txt AC 1 ms 256 KB
sub1_6.txt AC 1 ms 256 KB
sub1_7.txt AC 1 ms 256 KB
sub1_8.txt AC 1 ms 256 KB
sub1_9.txt AC 1 ms 256 KB
sub2_1.txt AC 1 ms 256 KB
sub2_2.txt AC 1 ms 256 KB
sub2_3.txt AC 1 ms 256 KB
sub2_4.txt AC 1 ms 256 KB
sub2_5.txt AC 1 ms 256 KB
sub2_6.txt AC 2 ms 256 KB
sub2_7.txt AC 2 ms 256 KB
sub2_8.txt AC 2 ms 256 KB
sub2_9.txt AC 3 ms 384 KB