답안 #537864

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
537864	2022-03-15T17:51:54 Z	michao	Monochrome Points (JOI20_monochrome)	C++14	35 / 100	2000 ms	4328 KB

monochrome

#include <bits/stdc++.h>
#define int long long
#define mp make_pair
#define pb push_back
#define ld long double
#define pii pair<int,int>
#define sz(x) (int)x.size()
#define piii pair<pii,pii>
#define precise cout<<fixed<<setprecision(10)
#define st first
#define nd second
#define ins insert
#define vi vector<int>
#define BOOST ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0)
using namespace std;
const int MAX=2e5+5;
vi b,w;
char s[MAX*2];
int ans=0;
int n;

int ile(int x,int y){
	if (x>y)swap(x,y);
	int between=y-x-1;
	return min(n*2-2-between,between);
}

int f(int shift){
	int sum=0;
	assert(sz(b)==sz(w) && sz(b)==n);
	for (int i=0;i<n;i++){
		int x=b[i];
		int y=w[(i+shift)%n];
		//if (shift==1)cout<<"TERAZ "<<x<<" "<<y<<" "<<ile(x,y)<<"\n";
		sum+=ile(x,y);
	}
	return sum/2;
}
int32_t main(){
  BOOST;
  cin>>n;
  for (int i=0;i<n*2;i++){
		cin>>s[i];
		if (s[i]=='B')b.pb(i);
		else w.pb(i);
  }
  
  for (int i=0;i<=n-1;i++){
		ans=max(ans,f(i));
  }
  cout<<ans;
  return 0; 
}

Subtask #1
4.0 / 4.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	1 ms	324 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	1 ms	212 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	1 ms	212 KB	Output is correct
10	Correct	1 ms	212 KB	Output is correct
11	Correct	1 ms	212 KB	Output is correct
12	Correct	1 ms	212 KB	Output is correct
13	Correct	1 ms	212 KB	Output is correct

Subtask #2
21.0 / 21.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	1 ms	324 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	1 ms	212 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	1 ms	212 KB	Output is correct
10	Correct	1 ms	212 KB	Output is correct
11	Correct	1 ms	212 KB	Output is correct
12	Correct	1 ms	212 KB	Output is correct
13	Correct	1 ms	212 KB	Output is correct
14	Correct	1 ms	328 KB	Output is correct
15	Correct	1 ms	340 KB	Output is correct
16	Correct	1 ms	340 KB	Output is correct
17	Correct	1 ms	340 KB	Output is correct
18	Correct	1 ms	332 KB	Output is correct
19	Correct	2 ms	324 KB	Output is correct
20	Correct	1 ms	340 KB	Output is correct
21	Correct	1 ms	340 KB	Output is correct
22	Correct	1 ms	328 KB	Output is correct
23	Correct	1 ms	340 KB	Output is correct
24	Correct	1 ms	212 KB	Output is correct
25	Correct	1 ms	328 KB	Output is correct
26	Correct	1 ms	340 KB	Output is correct
27	Correct	1 ms	212 KB	Output is correct
28	Correct	1 ms	212 KB	Output is correct
29	Correct	1 ms	328 KB	Output is correct
30	Correct	1 ms	340 KB	Output is correct
31	Correct	1 ms	212 KB	Output is correct
32	Correct	1 ms	340 KB	Output is correct
33	Correct	1 ms	340 KB	Output is correct

Subtask #3
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	1 ms	324 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	1 ms	212 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	1 ms	212 KB	Output is correct
10	Correct	1 ms	212 KB	Output is correct
11	Correct	1 ms	212 KB	Output is correct
12	Correct	1 ms	212 KB	Output is correct
13	Correct	1 ms	212 KB	Output is correct
14	Correct	1 ms	328 KB	Output is correct
15	Correct	1 ms	340 KB	Output is correct
16	Correct	1 ms	340 KB	Output is correct
17	Correct	1 ms	340 KB	Output is correct
18	Correct	1 ms	332 KB	Output is correct
19	Correct	2 ms	324 KB	Output is correct
20	Correct	1 ms	340 KB	Output is correct
21	Correct	1 ms	340 KB	Output is correct
22	Correct	1 ms	328 KB	Output is correct
23	Correct	1 ms	340 KB	Output is correct
24	Correct	1 ms	212 KB	Output is correct
25	Correct	1 ms	328 KB	Output is correct
26	Correct	1 ms	340 KB	Output is correct
27	Correct	1 ms	212 KB	Output is correct
28	Correct	1 ms	212 KB	Output is correct
29	Correct	1 ms	328 KB	Output is correct
30	Correct	1 ms	340 KB	Output is correct
31	Correct	1 ms	212 KB	Output is correct
32	Correct	1 ms	340 KB	Output is correct
33	Correct	1 ms	340 KB	Output is correct
34	Correct	20 ms	340 KB	Output is correct
35	Correct	20 ms	328 KB	Output is correct
36	Correct	20 ms	392 KB	Output is correct
37	Correct	21 ms	340 KB	Output is correct
38	Correct	19 ms	392 KB	Output is correct
39	Correct	19 ms	324 KB	Output is correct
40	Correct	16 ms	460 KB	Output is correct
41	Correct	15 ms	392 KB	Output is correct
42	Correct	19 ms	392 KB	Output is correct
43	Correct	19 ms	384 KB	Output is correct
44	Correct	18 ms	388 KB	Output is correct
45	Correct	17 ms	384 KB	Output is correct
46	Correct	22 ms	340 KB	Output is correct
47	Correct	20 ms	332 KB	Output is correct
48	Correct	21 ms	396 KB	Output is correct
49	Correct	19 ms	364 KB	Output is correct
50	Correct	22 ms	340 KB	Output is correct
51	Correct	22 ms	340 KB	Output is correct
52	Correct	22 ms	340 KB	Output is correct

Subtask #4
0.0 / 65.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	1 ms	324 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	1 ms	212 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	1 ms	212 KB	Output is correct
10	Correct	1 ms	212 KB	Output is correct
11	Correct	1 ms	212 KB	Output is correct
12	Correct	1 ms	212 KB	Output is correct
13	Correct	1 ms	212 KB	Output is correct
14	Correct	1 ms	328 KB	Output is correct
15	Correct	1 ms	340 KB	Output is correct
16	Correct	1 ms	340 KB	Output is correct
17	Correct	1 ms	340 KB	Output is correct
18	Correct	1 ms	332 KB	Output is correct
19	Correct	2 ms	324 KB	Output is correct
20	Correct	1 ms	340 KB	Output is correct
21	Correct	1 ms	340 KB	Output is correct
22	Correct	1 ms	328 KB	Output is correct
23	Correct	1 ms	340 KB	Output is correct
24	Correct	1 ms	212 KB	Output is correct
25	Correct	1 ms	328 KB	Output is correct
26	Correct	1 ms	340 KB	Output is correct
27	Correct	1 ms	212 KB	Output is correct
28	Correct	1 ms	212 KB	Output is correct
29	Correct	1 ms	328 KB	Output is correct
30	Correct	1 ms	340 KB	Output is correct
31	Correct	1 ms	212 KB	Output is correct
32	Correct	1 ms	340 KB	Output is correct
33	Correct	1 ms	340 KB	Output is correct
34	Correct	20 ms	340 KB	Output is correct
35	Correct	20 ms	328 KB	Output is correct
36	Correct	20 ms	392 KB	Output is correct
37	Correct	21 ms	340 KB	Output is correct
38	Correct	19 ms	392 KB	Output is correct
39	Correct	19 ms	324 KB	Output is correct
40	Correct	16 ms	460 KB	Output is correct
41	Correct	15 ms	392 KB	Output is correct
42	Correct	19 ms	392 KB	Output is correct
43	Correct	19 ms	384 KB	Output is correct
44	Correct	18 ms	388 KB	Output is correct
45	Correct	17 ms	384 KB	Output is correct
46	Correct	22 ms	340 KB	Output is correct
47	Correct	20 ms	332 KB	Output is correct
48	Correct	21 ms	396 KB	Output is correct
49	Correct	19 ms	364 KB	Output is correct
50	Correct	22 ms	340 KB	Output is correct
51	Correct	22 ms	340 KB	Output is correct
52	Correct	22 ms	340 KB	Output is correct
53	Execution timed out	2088 ms	4328 KB	Time limit exceeded
54	Halted	0 ms	0 KB	-

답안 #537864

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