oj.uz

Submission #502576

# Submission time Handle Problem Language Result Execution time Memory
502576 2022-01-06T09:24:27 Z amunduzbaev Monochrome Points (JOI20_monochrome) C++14
25 / 100
 2000 ms 352 KB 
#include "bits/stdc++.h"
using namespace std;

#define ar array

signed main(){
	ios::sync_with_stdio(0); cin.tie(0);
	
	int n; cin>>n;
	string s; cin>>s;
	ar<vector<int>, 2> p;
	for(int i=0;i<2*n;i++){
		p[s[i] == 'B'].push_back(i);
	}
	
	int rr = 0;
	for(int k=0;k<n;k++){
		vector<ar<int, 2>> a(n);
		int res = 0;
		for(int i=0;i<n;i++){
			int j = (i + k) % n;
			a[i] = {p[0][i], p[1][j]};
			if(a[i][0] > a[i][1]) swap(a[i][0], a[i][1]);
		}
		
		auto check = [&](ar<int, 2> a, ar<int, 2> b){
			if(a[0] < b[0] && b[1] < a[1]) return;
			if(b[0] < a[0] && a[1] < b[1]) return;
			res += (max(a[0], b[0]) < min(a[1], b[1]));
		};
		
		for(int i=0;i<n;i++){
			for(int j=i+1;j<n;j++){
				check(a[i], a[j]);
			}
		}
		
		rr = max(rr, res);
	}
	
	cout<<rr<<"\n";
}

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 1 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 308 KB Output is correct
6 Correct 1 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 308 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 1 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 308 KB Output is correct
6 Correct 1 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 308 KB Output is correct
12 Correct 0 ms 204 KB Output is correct
13 Correct 0 ms 204 KB Output is correct
14 Correct 21 ms 328 KB Output is correct
15 Correct 22 ms 320 KB Output is correct
16 Correct 22 ms 324 KB Output is correct
17 Correct 20 ms 324 KB Output is correct
18 Correct 14 ms 204 KB Output is correct
19 Correct 16 ms 204 KB Output is correct
20 Correct 17 ms 308 KB Output is correct
21 Correct 15 ms 204 KB Output is correct
22 Correct 17 ms 204 KB Output is correct
23 Correct 6 ms 316 KB Output is correct
24 Correct 13 ms 204 KB Output is correct
25 Correct 14 ms 316 KB Output is correct
26 Correct 15 ms 204 KB Output is correct
27 Correct 16 ms 204 KB Output is correct
28 Correct 19 ms 320 KB Output is correct
29 Correct 14 ms 204 KB Output is correct
30 Correct 14 ms 316 KB Output is correct
31 Correct 18 ms 320 KB Output is correct
32 Correct 20 ms 308 KB Output is correct
33 Correct 22 ms 204 KB Output is correct

Subtask #3
0.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 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 308 KB Output is correct
6 Correct 1 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 308 KB Output is correct
12 Correct 0 ms 204 KB Output is correct
13 Correct 0 ms 204 KB Output is correct
14 Correct 21 ms 328 KB Output is correct
15 Correct 22 ms 320 KB Output is correct
16 Correct 22 ms 324 KB Output is correct
17 Correct 20 ms 324 KB Output is correct
18 Correct 14 ms 204 KB Output is correct
19 Correct 16 ms 204 KB Output is correct
20 Correct 17 ms 308 KB Output is correct
21 Correct 15 ms 204 KB Output is correct
22 Correct 17 ms 204 KB Output is correct
23 Correct 6 ms 316 KB Output is correct
24 Correct 13 ms 204 KB Output is correct
25 Correct 14 ms 316 KB Output is correct
26 Correct 15 ms 204 KB Output is correct
27 Correct 16 ms 204 KB Output is correct
28 Correct 19 ms 320 KB Output is correct
29 Correct 14 ms 204 KB Output is correct
30 Correct 14 ms 316 KB Output is correct
31 Correct 18 ms 320 KB Output is correct
32 Correct 20 ms 308 KB Output is correct
33 Correct 22 ms 204 KB Output is correct
34 Execution timed out 2015 ms 352 KB Time limit exceeded
35 Halted 0 ms 0 KB -

Subtask #4
0.0 / 65.0

# Verdict Execution time Memory Grader output
1 Correct 1 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 308 KB Output is correct
6 Correct 1 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 308 KB Output is correct
12 Correct 0 ms 204 KB Output is correct
13 Correct 0 ms 204 KB Output is correct
14 Correct 21 ms 328 KB Output is correct
15 Correct 22 ms 320 KB Output is correct
16 Correct 22 ms 324 KB Output is correct
17 Correct 20 ms 324 KB Output is correct
18 Correct 14 ms 204 KB Output is correct
19 Correct 16 ms 204 KB Output is correct
20 Correct 17 ms 308 KB Output is correct
21 Correct 15 ms 204 KB Output is correct
22 Correct 17 ms 204 KB Output is correct
23 Correct 6 ms 316 KB Output is correct
24 Correct 13 ms 204 KB Output is correct
25 Correct 14 ms 316 KB Output is correct
26 Correct 15 ms 204 KB Output is correct
27 Correct 16 ms 204 KB Output is correct
28 Correct 19 ms 320 KB Output is correct
29 Correct 14 ms 204 KB Output is correct
30 Correct 14 ms 316 KB Output is correct
31 Correct 18 ms 320 KB Output is correct
32 Correct 20 ms 308 KB Output is correct
33 Correct 22 ms 204 KB Output is correct
34 Execution timed out 2015 ms 352 KB Time limit exceeded
35 Halted 0 ms 0 KB -