Submission #51285243

Source Code Expand

#include <bits/stdc++.h>

using namespace std;

int main() {
  ios::sync_with_stdio(0);
  cin.tie(0), cout.tie(0);

  string s;
  cin >> s;
  array<int, 26> cnt{};
  long long ans = 0;
  int n = 0, same = 0;
  for (char c : s) {
    ans += n++ - cnt[c - 'a']++;
    same |= cnt[c - 'a'] > 1;
  }
  cout << ans + same << '\n';

  return 0;
}

Submission Info

Submission Time
Task C - One Time Swap
User achvanov
Language C++ 20 (gcc 12.2)
Score 350
Code Size 362 Byte
Status AC
Exec Time 4 ms
Memory 4204 KiB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 350 / 350
Status
AC × 2
AC × 24
Set Name Test Cases
Sample example_00.txt, example_01.txt
All example_00.txt, example_01.txt, hand_00.txt, hand_01.txt, hand_02.txt, hand_03.txt, hand_04.txt, hand_05.txt, hand_06.txt, random_00.txt, random_01.txt, random_02.txt, random_03.txt, random_04.txt, random_05.txt, random_06.txt, random_07.txt, random_08.txt, random_09.txt, random_10.txt, random_11.txt, random_12.txt, random_13.txt, random_14.txt
Case Name Status Exec Time Memory
example_00.txt AC 1 ms 3468 KiB
example_01.txt AC 1 ms 3460 KiB
hand_00.txt AC 4 ms 4100 KiB
hand_01.txt AC 1 ms 3456 KiB
hand_02.txt AC 1 ms 3376 KiB
hand_03.txt AC 1 ms 3520 KiB
hand_04.txt AC 1 ms 3496 KiB
hand_05.txt AC 4 ms 4064 KiB
hand_06.txt AC 4 ms 4044 KiB
random_00.txt AC 1 ms 3428 KiB
random_01.txt AC 1 ms 3516 KiB
random_02.txt AC 1 ms 3376 KiB
random_03.txt AC 1 ms 3452 KiB
random_04.txt AC 1 ms 3460 KiB
random_05.txt AC 3 ms 4152 KiB
random_06.txt AC 3 ms 4080 KiB
random_07.txt AC 3 ms 4124 KiB
random_08.txt AC 3 ms 4124 KiB
random_09.txt AC 3 ms 4092 KiB
random_10.txt AC 3 ms 4052 KiB
random_11.txt AC 3 ms 4204 KiB
random_12.txt AC 4 ms 4052 KiB
random_13.txt AC 4 ms 4132 KiB
random_14.txt AC 3 ms 4040 KiB