답안 #293886

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
293886	2020-09-08T13:29:58 Z	BThero	Monochrome Points (JOI20_monochrome)	C++17	35 / 100	1099 ms	512 KB

monochrome

// chrono::system_clock::now().time_since_epoch().count()
#include<bits/stdc++.h>

#define pb push_back
#define eb emplace_back
#define mp make_pair
#define fi first
#define se second
#define all(x) (x).begin(), (x).end()
#define debug(x) cerr << #x << " = " << x << endl;

using namespace std;

typedef long long ll;
typedef pair<int, int> pii;

const int MAXN = 300 + 5;
const int INF = (int)1e9;

char s[2 * MAXN];
int n, ans;

void solve() {
  scanf("%d", &n);
  scanf("%s", s);
  
  for (int i = 0; i < 2 * n; ++i) {
    vector<char> vec;
  
    for (int j = 0; j < n; ++j) {
      vec.pb(s[j]);
    }
    
    int cur = 0;
    
    for (int j = n; j < 2 * n; ++j) {
      auto it = find(all(vec), ('B' ^ 'W' ^ s[j]));
      cur += (vec.end() - it - 1);
      vec.erase(it);
    }
  
    ans = max(ans, cur);
    rotate(s, s + 1, s + 2 * n);
  }
  
  printf("%d\n", ans);
}

int main() {
  int tt = 1;
  
  while (tt--) {
    solve();
  }

  return 0;
}

Compilation message

monochrome.cpp: In function 'void solve()':
monochrome.cpp:24:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   24 |   scanf("%d", &n);
      |   ~~~~~^~~~~~~~~~
monochrome.cpp:25:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   25 |   scanf("%s", s);
      |   ~~~~~^~~~~~~~~

Subtask #1
4.0 / 4.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	256 KB	Output is correct
2	Correct	1 ms	256 KB	Output is correct
3	Correct	1 ms	256 KB	Output is correct
4	Correct	1 ms	256 KB	Output is correct
5	Correct	1 ms	384 KB	Output is correct
6	Correct	1 ms	256 KB	Output is correct
7	Correct	1 ms	288 KB	Output is correct
8	Correct	1 ms	256 KB	Output is correct
9	Correct	1 ms	256 KB	Output is correct
10	Correct	1 ms	256 KB	Output is correct
11	Correct	1 ms	256 KB	Output is correct
12	Correct	1 ms	256 KB	Output is correct
13	Correct	0 ms	256 KB	Output is correct

Subtask #2
21.0 / 21.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	256 KB	Output is correct
2	Correct	1 ms	256 KB	Output is correct
3	Correct	1 ms	256 KB	Output is correct
4	Correct	1 ms	256 KB	Output is correct
5	Correct	1 ms	384 KB	Output is correct
6	Correct	1 ms	256 KB	Output is correct
7	Correct	1 ms	288 KB	Output is correct
8	Correct	1 ms	256 KB	Output is correct
9	Correct	1 ms	256 KB	Output is correct
10	Correct	1 ms	256 KB	Output is correct
11	Correct	1 ms	256 KB	Output is correct
12	Correct	1 ms	256 KB	Output is correct
13	Correct	0 ms	256 KB	Output is correct
14	Correct	7 ms	256 KB	Output is correct
15	Correct	6 ms	256 KB	Output is correct
16	Correct	7 ms	288 KB	Output is correct
17	Correct	8 ms	256 KB	Output is correct
18	Correct	4 ms	256 KB	Output is correct
19	Correct	6 ms	256 KB	Output is correct
20	Correct	4 ms	256 KB	Output is correct
21	Correct	4 ms	256 KB	Output is correct
22	Correct	4 ms	256 KB	Output is correct
23	Correct	2 ms	256 KB	Output is correct
24	Correct	4 ms	256 KB	Output is correct
25	Correct	3 ms	256 KB	Output is correct
26	Correct	4 ms	256 KB	Output is correct
27	Correct	4 ms	256 KB	Output is correct
28	Correct	7 ms	256 KB	Output is correct
29	Correct	4 ms	256 KB	Output is correct
30	Correct	6 ms	256 KB	Output is correct
31	Correct	5 ms	256 KB	Output is correct
32	Correct	4 ms	256 KB	Output is correct
33	Correct	5 ms	256 KB	Output is correct

Subtask #3
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	256 KB	Output is correct
2	Correct	1 ms	256 KB	Output is correct
3	Correct	1 ms	256 KB	Output is correct
4	Correct	1 ms	256 KB	Output is correct
5	Correct	1 ms	384 KB	Output is correct
6	Correct	1 ms	256 KB	Output is correct
7	Correct	1 ms	288 KB	Output is correct
8	Correct	1 ms	256 KB	Output is correct
9	Correct	1 ms	256 KB	Output is correct
10	Correct	1 ms	256 KB	Output is correct
11	Correct	1 ms	256 KB	Output is correct
12	Correct	1 ms	256 KB	Output is correct
13	Correct	0 ms	256 KB	Output is correct
14	Correct	7 ms	256 KB	Output is correct
15	Correct	6 ms	256 KB	Output is correct
16	Correct	7 ms	288 KB	Output is correct
17	Correct	8 ms	256 KB	Output is correct
18	Correct	4 ms	256 KB	Output is correct
19	Correct	6 ms	256 KB	Output is correct
20	Correct	4 ms	256 KB	Output is correct
21	Correct	4 ms	256 KB	Output is correct
22	Correct	4 ms	256 KB	Output is correct
23	Correct	2 ms	256 KB	Output is correct
24	Correct	4 ms	256 KB	Output is correct
25	Correct	3 ms	256 KB	Output is correct
26	Correct	4 ms	256 KB	Output is correct
27	Correct	4 ms	256 KB	Output is correct
28	Correct	7 ms	256 KB	Output is correct
29	Correct	4 ms	256 KB	Output is correct
30	Correct	6 ms	256 KB	Output is correct
31	Correct	5 ms	256 KB	Output is correct
32	Correct	4 ms	256 KB	Output is correct
33	Correct	5 ms	256 KB	Output is correct
34	Correct	540 ms	372 KB	Output is correct
35	Correct	555 ms	364 KB	Output is correct
36	Correct	606 ms	364 KB	Output is correct
37	Correct	498 ms	364 KB	Output is correct
38	Correct	381 ms	256 KB	Output is correct
39	Correct	703 ms	376 KB	Output is correct
40	Correct	381 ms	364 KB	Output is correct
41	Correct	403 ms	256 KB	Output is correct
42	Correct	578 ms	364 KB	Output is correct
43	Correct	881 ms	368 KB	Output is correct
44	Correct	465 ms	372 KB	Output is correct
45	Correct	488 ms	368 KB	Output is correct
46	Correct	485 ms	364 KB	Output is correct
47	Correct	442 ms	360 KB	Output is correct
48	Correct	999 ms	364 KB	Output is correct
49	Correct	1099 ms	368 KB	Output is correct
50	Correct	443 ms	480 KB	Output is correct
51	Correct	434 ms	256 KB	Output is correct
52	Correct	442 ms	480 KB	Output is correct

Subtask #4
0.0 / 65.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	256 KB	Output is correct
2	Correct	1 ms	256 KB	Output is correct
3	Correct	1 ms	256 KB	Output is correct
4	Correct	1 ms	256 KB	Output is correct
5	Correct	1 ms	384 KB	Output is correct
6	Correct	1 ms	256 KB	Output is correct
7	Correct	1 ms	288 KB	Output is correct
8	Correct	1 ms	256 KB	Output is correct
9	Correct	1 ms	256 KB	Output is correct
10	Correct	1 ms	256 KB	Output is correct
11	Correct	1 ms	256 KB	Output is correct
12	Correct	1 ms	256 KB	Output is correct
13	Correct	0 ms	256 KB	Output is correct
14	Correct	7 ms	256 KB	Output is correct
15	Correct	6 ms	256 KB	Output is correct
16	Correct	7 ms	288 KB	Output is correct
17	Correct	8 ms	256 KB	Output is correct
18	Correct	4 ms	256 KB	Output is correct
19	Correct	6 ms	256 KB	Output is correct
20	Correct	4 ms	256 KB	Output is correct
21	Correct	4 ms	256 KB	Output is correct
22	Correct	4 ms	256 KB	Output is correct
23	Correct	2 ms	256 KB	Output is correct
24	Correct	4 ms	256 KB	Output is correct
25	Correct	3 ms	256 KB	Output is correct
26	Correct	4 ms	256 KB	Output is correct
27	Correct	4 ms	256 KB	Output is correct
28	Correct	7 ms	256 KB	Output is correct
29	Correct	4 ms	256 KB	Output is correct
30	Correct	6 ms	256 KB	Output is correct
31	Correct	5 ms	256 KB	Output is correct
32	Correct	4 ms	256 KB	Output is correct
33	Correct	5 ms	256 KB	Output is correct
34	Correct	540 ms	372 KB	Output is correct
35	Correct	555 ms	364 KB	Output is correct
36	Correct	606 ms	364 KB	Output is correct
37	Correct	498 ms	364 KB	Output is correct
38	Correct	381 ms	256 KB	Output is correct
39	Correct	703 ms	376 KB	Output is correct
40	Correct	381 ms	364 KB	Output is correct
41	Correct	403 ms	256 KB	Output is correct
42	Correct	578 ms	364 KB	Output is correct
43	Correct	881 ms	368 KB	Output is correct
44	Correct	465 ms	372 KB	Output is correct
45	Correct	488 ms	368 KB	Output is correct
46	Correct	485 ms	364 KB	Output is correct
47	Correct	442 ms	360 KB	Output is correct
48	Correct	999 ms	364 KB	Output is correct
49	Correct	1099 ms	368 KB	Output is correct
50	Correct	443 ms	480 KB	Output is correct
51	Correct	434 ms	256 KB	Output is correct
52	Correct	442 ms	480 KB	Output is correct
53	Runtime error	1 ms	512 KB	Execution killed with signal 11
54	Halted	0 ms	0 KB	-

답안 #293886

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