oj.uz

Submission #1039880

# Submission time Handle Problem Language Result Execution time Memory
1039880 2024-07-31T11:21:26 Z Andrey Monochrome Points (JOI20_monochrome) C++14
25 / 100
 2000 ms 600 KB 
#include<bits/stdc++.h>
using namespace std;

int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cout.tie(NULL);
    int n;
    cin >> n;
    string s;
    cin >> s;
    vector<int> p(0);
    vector<int> q(0);
    for(int i = 0; i < 2*n; i++) {
        if(s[i] == 'B') {
            p.push_back(i);
        }
        else {
            q.push_back(i);
        }
    }
    int ans = 0;
    for(int i = 0; i < n; i++) {
        int br = 0;
        for(int j = 0; j < n; j++) {
            for(int k = j+1; k < n; k++) {
                int a = p[j],b = q[j],c = p[k],d = q[k];
                if(c > d) {
                    swap(c,d);
                }
                if(a > b) {
                    swap(a,b);
                }
                if(c < a) {
                    swap(a,c);
                    swap(b,d);
                }
                if(c > a && c < b && d > b) {
                    br++;
                }
            }
        }
        ans = max(ans,br);
        for(int j = 0; j < n-1; j++) {
            swap(q[j],q[j+1]);
        }
    }
    cout << ans;
    return 0;
}

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 452 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct

Subtask #2
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 452 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 17 ms 348 KB Output is correct
15 Correct 17 ms 464 KB Output is correct
16 Correct 17 ms 468 KB Output is correct
17 Correct 18 ms 348 KB Output is correct
18 Correct 11 ms 348 KB Output is correct
19 Correct 19 ms 464 KB Output is correct
20 Correct 15 ms 348 KB Output is correct
21 Correct 12 ms 348 KB Output is correct
22 Correct 12 ms 464 KB Output is correct
23 Correct 5 ms 348 KB Output is correct
24 Correct 14 ms 344 KB Output is correct
25 Correct 10 ms 456 KB Output is correct
26 Correct 10 ms 468 KB Output is correct
27 Correct 12 ms 600 KB Output is correct
28 Correct 19 ms 348 KB Output is correct
29 Correct 10 ms 344 KB Output is correct
30 Correct 13 ms 348 KB Output is correct
31 Correct 19 ms 348 KB Output is correct
32 Correct 17 ms 344 KB Output is correct
33 Correct 20 ms 600 KB Output is correct

Subtask #3
0.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 452 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 17 ms 348 KB Output is correct
15 Correct 17 ms 464 KB Output is correct
16 Correct 17 ms 468 KB Output is correct
17 Correct 18 ms 348 KB Output is correct
18 Correct 11 ms 348 KB Output is correct
19 Correct 19 ms 464 KB Output is correct
20 Correct 15 ms 348 KB Output is correct
21 Correct 12 ms 348 KB Output is correct
22 Correct 12 ms 464 KB Output is correct
23 Correct 5 ms 348 KB Output is correct
24 Correct 14 ms 344 KB Output is correct
25 Correct 10 ms 456 KB Output is correct
26 Correct 10 ms 468 KB Output is correct
27 Correct 12 ms 600 KB Output is correct
28 Correct 19 ms 348 KB Output is correct
29 Correct 10 ms 344 KB Output is correct
30 Correct 13 ms 348 KB Output is correct
31 Correct 19 ms 348 KB Output is correct
32 Correct 17 ms 344 KB Output is correct
33 Correct 20 ms 600 KB Output is correct
34 Execution timed out 2059 ms 348 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 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 452 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 17 ms 348 KB Output is correct
15 Correct 17 ms 464 KB Output is correct
16 Correct 17 ms 468 KB Output is correct
17 Correct 18 ms 348 KB Output is correct
18 Correct 11 ms 348 KB Output is correct
19 Correct 19 ms 464 KB Output is correct
20 Correct 15 ms 348 KB Output is correct
21 Correct 12 ms 348 KB Output is correct
22 Correct 12 ms 464 KB Output is correct
23 Correct 5 ms 348 KB Output is correct
24 Correct 14 ms 344 KB Output is correct
25 Correct 10 ms 456 KB Output is correct
26 Correct 10 ms 468 KB Output is correct
27 Correct 12 ms 600 KB Output is correct
28 Correct 19 ms 348 KB Output is correct
29 Correct 10 ms 344 KB Output is correct
30 Correct 13 ms 348 KB Output is correct
31 Correct 19 ms 348 KB Output is correct
32 Correct 17 ms 344 KB Output is correct
33 Correct 20 ms 600 KB Output is correct
34 Execution timed out 2059 ms 348 KB Time limit exceeded
35 Halted 0 ms 0 KB -