Submission #1691528

Source Code Expand

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

main() {
  string S; cin >> S;
  int init = (S[0] == 'B') ? 0 : 1;
  int ans = 0;
  for (int i = 0; i < S.length(); i++) if (S[i] != "BW"[(init + ans) % 2]) ans++;
  cout << ans << endl;
}

Submission Info

Submission Time
Task C - 1D Reversi
User hrbt
Language C++14 (GCC 5.4.1)
Score 300
Code Size 246 Byte
Status AC
Exec Time 5 ms
Memory 512 KB

Judge Result

Set Name sample All
Score / Max Score 0 / 0 300 / 300
Status
AC × 3
AC × 15
Set Name Test Cases
sample sample_01.txt, sample_02.txt, sample_03.txt
All alternate_01.txt, alternate_02.txt, random_01.txt, random_02.txt, random_03.txt, random_04.txt, random_05.txt, same_01.txt, same_02.txt, sample_01.txt, sample_02.txt, sample_03.txt, small_01.txt, small_02.txt, small_03.txt
Case Name Status Exec Time Memory
alternate_01.txt AC 5 ms 512 KB
alternate_02.txt AC 5 ms 512 KB
random_01.txt AC 5 ms 512 KB
random_02.txt AC 5 ms 512 KB
random_03.txt AC 5 ms 512 KB
random_04.txt AC 5 ms 512 KB
random_05.txt AC 5 ms 512 KB
same_01.txt AC 5 ms 512 KB
same_02.txt AC 5 ms 512 KB
sample_01.txt AC 1 ms 256 KB
sample_02.txt AC 1 ms 256 KB
sample_03.txt AC 1 ms 256 KB
small_01.txt AC 1 ms 256 KB
small_02.txt AC 1 ms 256 KB
small_03.txt AC 1 ms 256 KB