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Submission #495319

# Submission time Handle Problem Language Result Execution time Memory
495319 2021-12-18T11:45:23 Z 600Mihnea Monochrome Points (JOI20_monochrome) C++17
25 / 100
 2000 ms 332 KB 
#include <iostream>
#include <vector>
#include <string>
#include <functional>
#include <cassert>

using namespace std;

typedef long long ll;
const int N = 400000 + 7;
int n;
string s;


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

  cin >> n >> s;
 
  vector<int> a, b;
  for (int i = 0; i < 2 * n; i++) {
    if (s[i] != s[0]) {
      a.push_back(i);
    }
    else {
      b.push_back(i);
    }
  }
  vector<ll> cnt(n);

  ll sol = 0;
  for (int shift = 0; shift < n; shift++) {
    for (int i = 0; i < n; i++) {
      for (int j = 0; j < n; j++) {
        if (min(a[i], b[(i + shift) % n]) < min(a[j], b[(j + shift) % n]) && min(a[j], b[(j + shift) % n]) < max(a[i], b[(i + shift) % n]) && max(a[i], b[(i + shift) % n]) < max(a[j], b[(j + shift) % n])) {
          cnt[shift]++;
        }
      }
    }
  }


  for (auto& x : cnt) {
    sol = max(sol, x);
  }
  cout << sol << "\n";
}

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 0 ms 204 KB Output is correct
10 Correct 0 ms 204 KB Output is correct
11 Correct 0 ms 204 KB Output is correct
12 Correct 0 ms 204 KB Output is correct
13 Correct 0 ms 204 KB Output is correct

Subtask #2
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 0 ms 204 KB Output is correct
10 Correct 0 ms 204 KB Output is correct
11 Correct 0 ms 204 KB Output is correct
12 Correct 0 ms 204 KB Output is correct
13 Correct 0 ms 204 KB Output is correct
14 Correct 145 ms 300 KB Output is correct
15 Correct 147 ms 304 KB Output is correct
16 Correct 138 ms 300 KB Output is correct
17 Correct 127 ms 296 KB Output is correct
18 Correct 96 ms 296 KB Output is correct
19 Correct 113 ms 300 KB Output is correct
20 Correct 106 ms 296 KB Output is correct
21 Correct 97 ms 300 KB Output is correct
22 Correct 100 ms 300 KB Output is correct
23 Correct 38 ms 300 KB Output is correct
24 Correct 100 ms 292 KB Output is correct
25 Correct 80 ms 308 KB Output is correct
26 Correct 97 ms 300 KB Output is correct
27 Correct 116 ms 204 KB Output is correct
28 Correct 138 ms 204 KB Output is correct
29 Correct 88 ms 296 KB Output is correct
30 Correct 94 ms 300 KB Output is correct
31 Correct 139 ms 296 KB Output is correct
32 Correct 135 ms 204 KB Output is correct
33 Correct 135 ms 296 KB Output is correct

Subtask #3
0.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 0 ms 204 KB Output is correct
10 Correct 0 ms 204 KB Output is correct
11 Correct 0 ms 204 KB Output is correct
12 Correct 0 ms 204 KB Output is correct
13 Correct 0 ms 204 KB Output is correct
14 Correct 145 ms 300 KB Output is correct
15 Correct 147 ms 304 KB Output is correct
16 Correct 138 ms 300 KB Output is correct
17 Correct 127 ms 296 KB Output is correct
18 Correct 96 ms 296 KB Output is correct
19 Correct 113 ms 300 KB Output is correct
20 Correct 106 ms 296 KB Output is correct
21 Correct 97 ms 300 KB Output is correct
22 Correct 100 ms 300 KB Output is correct
23 Correct 38 ms 300 KB Output is correct
24 Correct 100 ms 292 KB Output is correct
25 Correct 80 ms 308 KB Output is correct
26 Correct 97 ms 300 KB Output is correct
27 Correct 116 ms 204 KB Output is correct
28 Correct 138 ms 204 KB Output is correct
29 Correct 88 ms 296 KB Output is correct
30 Correct 94 ms 300 KB Output is correct
31 Correct 139 ms 296 KB Output is correct
32 Correct 135 ms 204 KB Output is correct
33 Correct 135 ms 296 KB Output is correct
34 Execution timed out 2091 ms 332 KB Time limit exceeded
35 Halted 0 ms 0 KB -

Subtask #4
0.0 / 65.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 0 ms 204 KB Output is correct
10 Correct 0 ms 204 KB Output is correct
11 Correct 0 ms 204 KB Output is correct
12 Correct 0 ms 204 KB Output is correct
13 Correct 0 ms 204 KB Output is correct
14 Correct 145 ms 300 KB Output is correct
15 Correct 147 ms 304 KB Output is correct
16 Correct 138 ms 300 KB Output is correct
17 Correct 127 ms 296 KB Output is correct
18 Correct 96 ms 296 KB Output is correct
19 Correct 113 ms 300 KB Output is correct
20 Correct 106 ms 296 KB Output is correct
21 Correct 97 ms 300 KB Output is correct
22 Correct 100 ms 300 KB Output is correct
23 Correct 38 ms 300 KB Output is correct
24 Correct 100 ms 292 KB Output is correct
25 Correct 80 ms 308 KB Output is correct
26 Correct 97 ms 300 KB Output is correct
27 Correct 116 ms 204 KB Output is correct
28 Correct 138 ms 204 KB Output is correct
29 Correct 88 ms 296 KB Output is correct
30 Correct 94 ms 300 KB Output is correct
31 Correct 139 ms 296 KB Output is correct
32 Correct 135 ms 204 KB Output is correct
33 Correct 135 ms 296 KB Output is correct
34 Execution timed out 2091 ms 332 KB Time limit exceeded
35 Halted 0 ms 0 KB -