Submission #495335

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
495335	2021-12-18T13:17:44 Z	600Mihnea	Monochrome Points (JOI20_monochrome)	C++17	35 / 100	2000 ms	4504 KB

monochrome

#include <bits/stdc++.h>

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);

  for (int shift = 0; shift < n; shift++) {
    for (int i = 0; i < n; i++) {

      int i2 = (i + shift) % n, l = min(a[i], b[i2]), r = max(a[i], b[i2]);
      int inside = r - l - 1;
      int outside = 2 * n - inside - 2;
      cnt[shift] += min(inside, outside);
    }
  }
  ll sol = 0;


  for (auto& x : cnt) {
    sol = max(sol, x);
  }
  cout << sol / 2 << "\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	0 ms	204 KB	Output is correct
6	Correct	0 ms	204 KB	Output is correct
7	Correct	1 ms	316 KB	Output is correct
8	Correct	0 ms	312 KB	Output is correct
9	Correct	0 ms	204 KB	Output is correct
10	Correct	0 ms	204 KB	Output is correct
11	Correct	1 ms	204 KB	Output is correct
12	Correct	1 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	0 ms	204 KB	Output is correct
6	Correct	0 ms	204 KB	Output is correct
7	Correct	1 ms	316 KB	Output is correct
8	Correct	0 ms	312 KB	Output is correct
9	Correct	0 ms	204 KB	Output is correct
10	Correct	0 ms	204 KB	Output is correct
11	Correct	1 ms	204 KB	Output is correct
12	Correct	1 ms	204 KB	Output is correct
13	Correct	0 ms	204 KB	Output is correct
14	Correct	1 ms	204 KB	Output is correct
15	Correct	1 ms	204 KB	Output is correct
16	Correct	1 ms	204 KB	Output is correct
17	Correct	1 ms	204 KB	Output is correct
18	Correct	1 ms	204 KB	Output is correct
19	Correct	1 ms	204 KB	Output is correct
20	Correct	1 ms	204 KB	Output is correct
21	Correct	1 ms	204 KB	Output is correct
22	Correct	1 ms	204 KB	Output is correct
23	Correct	1 ms	204 KB	Output is correct
24	Correct	1 ms	204 KB	Output is correct
25	Correct	1 ms	204 KB	Output is correct
26	Correct	1 ms	204 KB	Output is correct
27	Correct	1 ms	204 KB	Output is correct
28	Correct	1 ms	204 KB	Output is correct
29	Correct	1 ms	204 KB	Output is correct
30	Correct	1 ms	312 KB	Output is correct
31	Correct	1 ms	204 KB	Output is correct
32	Correct	1 ms	204 KB	Output is correct
33	Correct	1 ms	204 KB	Output is correct

Subtask #3
10.0 / 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	0 ms	204 KB	Output is correct
6	Correct	0 ms	204 KB	Output is correct
7	Correct	1 ms	316 KB	Output is correct
8	Correct	0 ms	312 KB	Output is correct
9	Correct	0 ms	204 KB	Output is correct
10	Correct	0 ms	204 KB	Output is correct
11	Correct	1 ms	204 KB	Output is correct
12	Correct	1 ms	204 KB	Output is correct
13	Correct	0 ms	204 KB	Output is correct
14	Correct	1 ms	204 KB	Output is correct
15	Correct	1 ms	204 KB	Output is correct
16	Correct	1 ms	204 KB	Output is correct
17	Correct	1 ms	204 KB	Output is correct
18	Correct	1 ms	204 KB	Output is correct
19	Correct	1 ms	204 KB	Output is correct
20	Correct	1 ms	204 KB	Output is correct
21	Correct	1 ms	204 KB	Output is correct
22	Correct	1 ms	204 KB	Output is correct
23	Correct	1 ms	204 KB	Output is correct
24	Correct	1 ms	204 KB	Output is correct
25	Correct	1 ms	204 KB	Output is correct
26	Correct	1 ms	204 KB	Output is correct
27	Correct	1 ms	204 KB	Output is correct
28	Correct	1 ms	204 KB	Output is correct
29	Correct	1 ms	204 KB	Output is correct
30	Correct	1 ms	312 KB	Output is correct
31	Correct	1 ms	204 KB	Output is correct
32	Correct	1 ms	204 KB	Output is correct
33	Correct	1 ms	204 KB	Output is correct
34	Correct	22 ms	324 KB	Output is correct
35	Correct	20 ms	312 KB	Output is correct
36	Correct	19 ms	336 KB	Output is correct
37	Correct	18 ms	320 KB	Output is correct
38	Correct	16 ms	368 KB	Output is correct
39	Correct	18 ms	336 KB	Output is correct
40	Correct	18 ms	444 KB	Output is correct
41	Correct	14 ms	368 KB	Output is correct
42	Correct	20 ms	336 KB	Output is correct
43	Correct	19 ms	336 KB	Output is correct
44	Correct	16 ms	336 KB	Output is correct
45	Correct	18 ms	364 KB	Output is correct
46	Correct	21 ms	336 KB	Output is correct
47	Correct	19 ms	336 KB	Output is correct
48	Correct	21 ms	312 KB	Output is correct
49	Correct	18 ms	336 KB	Output is correct
50	Correct	20 ms	336 KB	Output is correct
51	Correct	20 ms	360 KB	Output is correct
52	Correct	20 ms	364 KB	Output is correct

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	0 ms	204 KB	Output is correct
6	Correct	0 ms	204 KB	Output is correct
7	Correct	1 ms	316 KB	Output is correct
8	Correct	0 ms	312 KB	Output is correct
9	Correct	0 ms	204 KB	Output is correct
10	Correct	0 ms	204 KB	Output is correct
11	Correct	1 ms	204 KB	Output is correct
12	Correct	1 ms	204 KB	Output is correct
13	Correct	0 ms	204 KB	Output is correct
14	Correct	1 ms	204 KB	Output is correct
15	Correct	1 ms	204 KB	Output is correct
16	Correct	1 ms	204 KB	Output is correct
17	Correct	1 ms	204 KB	Output is correct
18	Correct	1 ms	204 KB	Output is correct
19	Correct	1 ms	204 KB	Output is correct
20	Correct	1 ms	204 KB	Output is correct
21	Correct	1 ms	204 KB	Output is correct
22	Correct	1 ms	204 KB	Output is correct
23	Correct	1 ms	204 KB	Output is correct
24	Correct	1 ms	204 KB	Output is correct
25	Correct	1 ms	204 KB	Output is correct
26	Correct	1 ms	204 KB	Output is correct
27	Correct	1 ms	204 KB	Output is correct
28	Correct	1 ms	204 KB	Output is correct
29	Correct	1 ms	204 KB	Output is correct
30	Correct	1 ms	312 KB	Output is correct
31	Correct	1 ms	204 KB	Output is correct
32	Correct	1 ms	204 KB	Output is correct
33	Correct	1 ms	204 KB	Output is correct
34	Correct	22 ms	324 KB	Output is correct
35	Correct	20 ms	312 KB	Output is correct
36	Correct	19 ms	336 KB	Output is correct
37	Correct	18 ms	320 KB	Output is correct
38	Correct	16 ms	368 KB	Output is correct
39	Correct	18 ms	336 KB	Output is correct
40	Correct	18 ms	444 KB	Output is correct
41	Correct	14 ms	368 KB	Output is correct
42	Correct	20 ms	336 KB	Output is correct
43	Correct	19 ms	336 KB	Output is correct
44	Correct	16 ms	336 KB	Output is correct
45	Correct	18 ms	364 KB	Output is correct
46	Correct	21 ms	336 KB	Output is correct
47	Correct	19 ms	336 KB	Output is correct
48	Correct	21 ms	312 KB	Output is correct
49	Correct	18 ms	336 KB	Output is correct
50	Correct	20 ms	336 KB	Output is correct
51	Correct	20 ms	360 KB	Output is correct
52	Correct	20 ms	364 KB	Output is correct
53	Execution timed out	2029 ms	4504 KB	Time limit exceeded
54	Halted	0 ms	0 KB	-

Submission #495335

Compilation message

Subtask #1 4.0 / 4.0

Subtask #2 21.0 / 21.0

Subtask #3 10.0 / 10.0

Subtask #4 0.0 / 65.0

Subtask #1
4.0 / 4.0

Subtask #2
21.0 / 21.0

Subtask #3
10.0 / 10.0

Subtask #4
0.0 / 65.0