oj.uz

Submission #1012447

# Submission time Handle Problem Language Result Execution time Memory
1012447 2024-07-02T07:36:44 Z basa Difference (POI11_roz) C++14
0 / 100
 1000 ms 44280 KB 
#include <bits/stdc++.h>

using namespace std;

#define int long long

const int maxa = 1000005;
vector<int>p[maxa];

signed main()
{
  cin.tie(0) -> sync_with_stdio(0);
  int n;
  cin >> n;

  string s;
  cin >> s;

  vector<int>ind[30];
  for(int i = 0; i < n; i++) ind[s[i] - 'a'].push_back(i);

  int ans = 0;
  for(int i = 0; i < 26; i++){
    for(int j = 0; j < 26; j++){
      if(ind[i].size() == 0) break;
      if(ind[j].size() == 0) continue;

      int a[n] = {};
      for(int k = 0; k < n; k++){
        a[k] += (s[k] - 'a' == i ? 1 : 0);
        a[k] += (s[k] - 'a' == j ? -1 : 0);
      }

      int curr = a[0];
      int mx = curr;
      for(int i = 1; i < n; i++){
         curr = max(a[i], curr + a[i]);
         mx = max(mx, curr);
       }


      ans = max(mx, ans);
    }
  }

  cout << ans;
}

Subtask #1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 23896 KB Output is correct
2 Correct 7 ms 23900 KB Output is correct
3 Correct 7 ms 23900 KB Output is correct
4 Incorrect 9 ms 23900 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 23900 KB Output is correct
2 Incorrect 7 ms 23900 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #3
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 23900 KB Output is correct
2 Correct 7 ms 23896 KB Output is correct
3 Incorrect 8 ms 23900 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #4
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 23900 KB Output is correct
2 Incorrect 7 ms 23856 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #5
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 20 ms 24156 KB Output is correct
2 Incorrect 11 ms 23828 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #6
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 157 ms 25688 KB Output is correct
2 Incorrect 7 ms 23900 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #7
0 / 10.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1072 ms 44280 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #8
0 / 10.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1012 ms 44276 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #9
0 / 10.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1077 ms 43828 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #10
0 / 10.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1060 ms 44280 KB Time limit exceeded
2 Halted 0 ms 0 KB -