답안 #683896

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
683896	2023-01-19T15:01:55 Z	alvingogo	Monochrome Points (JOI20_monochrome)	C++14	35 / 100	2000 ms	2656 KB

monochrome

#include <bits/stdc++.h>
#pragma GCC optimize("Ofast")
#define AquA cin.tie(0);ios_base::sync_with_stdio(0);
#define fs first
#define sc second
#define p_q priority_queue
#define int long long
using namespace std;

signed main(){
    AquA;
    int n;
    cin >> n;
    string s;
    cin >> s;
    int ans=1e14;
    vector<int> a,b;
    int pre=0,mx=0,k=0;
    for(int i=0;i<n;i++){
        if(s[i]=='B'){
            a.push_back(i);
            pre++;
        }
        if(s[i+n]=='W'){
            b.push_back(i);
            pre--;
        }
        if(pre<mx){
            mx=pre;
            k=i+1;
        }
    }
    int g=a.size();
    for(int i=0;i<g;i++){
        int xx=0;
        for(int j=0;j<g;j++){
            xx+=min(abs(b[j]-a[(i+j)%g]),n-abs(b[j]-a[(i+j)%g]));
        }
        ans=min(ans,xx);
    }
    if(g==0){
        ans=0;
    }
    cout << n*(n-1)/2-ans << "\n";
    return 0;
}

Compilation message

monochrome.cpp: In function 'int main()':
monochrome.cpp:18:20: warning: variable 'k' set but not used [-Wunused-but-set-variable]
   18 |     int pre=0,mx=0,k=0;
      |                    ^

Subtask #1
4.0 / 4.0

#	결과	메모리	Grader output
1	Correct	212 KB	Output is correct
2	Correct	212 KB	Output is correct
3	Correct	212 KB	Output is correct
4	Correct	212 KB	Output is correct
5	Correct	212 KB	Output is correct
6	Correct	212 KB	Output is correct
7	Correct	212 KB	Output is correct
8	Correct	212 KB	Output is correct
9	Correct	212 KB	Output is correct
10	Correct	212 KB	Output is correct
11	Correct	212 KB	Output is correct
12	Correct	212 KB	Output is correct
13	Correct	212 KB	Output is correct

Subtask #2
21.0 / 21.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	0 ms	212 KB	Output is correct
11	Correct	0 ms	212 KB	Output is correct
12	Correct	0 ms	212 KB	Output is correct
13	Correct	0 ms	212 KB	Output is correct
14	Correct	1 ms	212 KB	Output is correct
15	Correct	1 ms	212 KB	Output is correct
16	Correct	1 ms	212 KB	Output is correct
17	Correct	1 ms	212 KB	Output is correct
18	Correct	1 ms	212 KB	Output is correct
19	Correct	1 ms	212 KB	Output is correct
20	Correct	0 ms	212 KB	Output is correct
21	Correct	1 ms	324 KB	Output is correct
22	Correct	1 ms	212 KB	Output is correct
23	Correct	1 ms	212 KB	Output is correct
24	Correct	1 ms	212 KB	Output is correct
25	Correct	1 ms	316 KB	Output is correct
26	Correct	0 ms	320 KB	Output is correct
27	Correct	0 ms	212 KB	Output is correct
28	Correct	1 ms	340 KB	Output is correct
29	Correct	1 ms	212 KB	Output is correct
30	Correct	1 ms	320 KB	Output is correct
31	Correct	1 ms	320 KB	Output is correct
32	Correct	0 ms	212 KB	Output is correct
33	Correct	1 ms	212 KB	Output is correct

Subtask #3
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	0 ms	212 KB	Output is correct
11	Correct	0 ms	212 KB	Output is correct
12	Correct	0 ms	212 KB	Output is correct
13	Correct	0 ms	212 KB	Output is correct
14	Correct	1 ms	212 KB	Output is correct
15	Correct	1 ms	212 KB	Output is correct
16	Correct	1 ms	212 KB	Output is correct
17	Correct	1 ms	212 KB	Output is correct
18	Correct	1 ms	212 KB	Output is correct
19	Correct	1 ms	212 KB	Output is correct
20	Correct	0 ms	212 KB	Output is correct
21	Correct	1 ms	324 KB	Output is correct
22	Correct	1 ms	212 KB	Output is correct
23	Correct	1 ms	212 KB	Output is correct
24	Correct	1 ms	212 KB	Output is correct
25	Correct	1 ms	316 KB	Output is correct
26	Correct	0 ms	320 KB	Output is correct
27	Correct	0 ms	212 KB	Output is correct
28	Correct	1 ms	340 KB	Output is correct
29	Correct	1 ms	212 KB	Output is correct
30	Correct	1 ms	320 KB	Output is correct
31	Correct	1 ms	320 KB	Output is correct
32	Correct	0 ms	212 KB	Output is correct
33	Correct	1 ms	212 KB	Output is correct
34	Correct	5 ms	340 KB	Output is correct
35	Correct	5 ms	340 KB	Output is correct
36	Correct	5 ms	348 KB	Output is correct
37	Correct	5 ms	432 KB	Output is correct
38	Correct	7 ms	316 KB	Output is correct
39	Correct	5 ms	324 KB	Output is correct
40	Correct	4 ms	340 KB	Output is correct
41	Correct	4 ms	316 KB	Output is correct
42	Correct	6 ms	340 KB	Output is correct
43	Correct	1 ms	340 KB	Output is correct
44	Correct	4 ms	340 KB	Output is correct
45	Correct	16 ms	392 KB	Output is correct
46	Correct	17 ms	340 KB	Output is correct
47	Correct	1 ms	212 KB	Output is correct
48	Correct	6 ms	340 KB	Output is correct
49	Correct	3 ms	340 KB	Output is correct
50	Correct	19 ms	340 KB	Output is correct
51	Correct	0 ms	320 KB	Output is correct
52	Correct	5 ms	352 KB	Output is correct

Subtask #4
0.0 / 65.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	0 ms	212 KB	Output is correct
11	Correct	0 ms	212 KB	Output is correct
12	Correct	0 ms	212 KB	Output is correct
13	Correct	0 ms	212 KB	Output is correct
14	Correct	1 ms	212 KB	Output is correct
15	Correct	1 ms	212 KB	Output is correct
16	Correct	1 ms	212 KB	Output is correct
17	Correct	1 ms	212 KB	Output is correct
18	Correct	1 ms	212 KB	Output is correct
19	Correct	1 ms	212 KB	Output is correct
20	Correct	0 ms	212 KB	Output is correct
21	Correct	1 ms	324 KB	Output is correct
22	Correct	1 ms	212 KB	Output is correct
23	Correct	1 ms	212 KB	Output is correct
24	Correct	1 ms	212 KB	Output is correct
25	Correct	1 ms	316 KB	Output is correct
26	Correct	0 ms	320 KB	Output is correct
27	Correct	0 ms	212 KB	Output is correct
28	Correct	1 ms	340 KB	Output is correct
29	Correct	1 ms	212 KB	Output is correct
30	Correct	1 ms	320 KB	Output is correct
31	Correct	1 ms	320 KB	Output is correct
32	Correct	0 ms	212 KB	Output is correct
33	Correct	1 ms	212 KB	Output is correct
34	Correct	5 ms	340 KB	Output is correct
35	Correct	5 ms	340 KB	Output is correct
36	Correct	5 ms	348 KB	Output is correct
37	Correct	5 ms	432 KB	Output is correct
38	Correct	7 ms	316 KB	Output is correct
39	Correct	5 ms	324 KB	Output is correct
40	Correct	4 ms	340 KB	Output is correct
41	Correct	4 ms	316 KB	Output is correct
42	Correct	6 ms	340 KB	Output is correct
43	Correct	1 ms	340 KB	Output is correct
44	Correct	4 ms	340 KB	Output is correct
45	Correct	16 ms	392 KB	Output is correct
46	Correct	17 ms	340 KB	Output is correct
47	Correct	1 ms	212 KB	Output is correct
48	Correct	6 ms	340 KB	Output is correct
49	Correct	3 ms	340 KB	Output is correct
50	Correct	19 ms	340 KB	Output is correct
51	Correct	0 ms	320 KB	Output is correct
52	Correct	5 ms	352 KB	Output is correct
53	Execution timed out	2069 ms	2656 KB	Time limit exceeded
54	Halted	0 ms	0 KB	-

답안 #683896

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