Submission #545758

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
545758	2022-04-05T11:42:50 Z	Koosha_mv	Monochrome Points (JOI20_monochrome)	C++14	35 / 100	2000 ms	3044 KB

monochrome

#include <bits/stdc++.h>
using namespace std;
#define dbgv(v) cout<<#v<<" = "; f(i,0,v.size()) cout<<v[i]<<" "; cout<<endl
#define dbga(a,x,y) cout<<#a<<" = "; f(i,x,y) cout<<a[i]<<" "; cout<<endl
#define erorp(x) cout<<#x<<"={"<<(x.F)<<" , "<<x.S<<"}"<<endl
#define eror(x) cout<<#x<<'='<<(x)<<endl
#define f_(i,a,b) for(int i=a;i>=b;i--)
#define f(i,a,b) for(int i=a;i<b;i++)
#define nb(x) __builtin_popcount(x)
#define all(v) v.begin(),v.end()
#define bit(n,k) (((n)>>(k))&1)
#define Add(x,y) x=(x+y)%mod
#define maxm(a,b) a=max(a,b)
#define minm(a,b) a=min(a,b)
#define lst(x) x[x.size()-1]
#define sz(x) int(x.size())
#define mp make_pair
#define ll long long
#define pb push_back
#define S second
#define F first

const int N=1e6+99;

int n,t,ans,a[N];
string s;
vector<int> vec0,vec1;

bool check(int lx,int rx,int ly,int ry){
	if(lx>rx) swap(lx,rx);
	if(ly>ry) swap(ly,ry);
	if(lx>ly) swap(lx,ly),swap(rx,ry);
	return ly<rx && rx<ry;
}
int calc(int shift){
	int res=0;
	f(i,0,n){
		f(j,i+1,n){
			res+=check(vec0[i],vec1[(i+shift)%n],vec0[j],vec1[(j+shift)%n]);
			//cout<<i<<" "<<j<<" -> "<<check(vec0[i],vec1[(i+shift)%n],vec0[j],vec1[(j+shift)%n])<<endl;
		}
	}
	return res;
}

int32_t main(){
	ios:: sync_with_stdio(0), cin.tie(0), cout.tie(0);
	cin>>n>>s;
	f(i,0,2*n) if(s[i]==s[0]) vec0.pb(i); else vec1.pb(i);
	int l=-1,r=n-1;
	while(l+1<r){
		int mid=(l+r)>>1;
		if(calc(mid)<calc(mid+1)){
			l=mid;
		}
		else{
			r=mid;
		}
	}
	cout<<calc(r);
}

Subtask #1
4.0 / 4.0

#	Verdict	Execution time	Memory	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	212 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	1 ms	332 KB	Output is correct
7	Correct	1 ms	280 KB	Output is correct
8	Correct	1 ms	252 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

#	Verdict	Execution time	Memory	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	212 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	1 ms	332 KB	Output is correct
7	Correct	1 ms	280 KB	Output is correct
8	Correct	1 ms	252 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	5 ms	336 KB	Output is correct
15	Correct	5 ms	212 KB	Output is correct
16	Correct	5 ms	332 KB	Output is correct
17	Correct	5 ms	332 KB	Output is correct
18	Correct	4 ms	212 KB	Output is correct
19	Correct	4 ms	336 KB	Output is correct
20	Correct	4 ms	212 KB	Output is correct
21	Correct	4 ms	212 KB	Output is correct
22	Correct	4 ms	336 KB	Output is correct
23	Correct	2 ms	212 KB	Output is correct
24	Correct	4 ms	340 KB	Output is correct
25	Correct	3 ms	332 KB	Output is correct
26	Correct	4 ms	212 KB	Output is correct
27	Correct	4 ms	340 KB	Output is correct
28	Correct	4 ms	332 KB	Output is correct
29	Correct	3 ms	212 KB	Output is correct
30	Correct	4 ms	212 KB	Output is correct
31	Correct	5 ms	324 KB	Output is correct
32	Correct	5 ms	212 KB	Output is correct
33	Correct	5 ms	212 KB	Output is correct

Subtask #3
10.0 / 10.0

#	Verdict	Execution time	Memory	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	212 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	1 ms	332 KB	Output is correct
7	Correct	1 ms	280 KB	Output is correct
8	Correct	1 ms	252 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	5 ms	336 KB	Output is correct
15	Correct	5 ms	212 KB	Output is correct
16	Correct	5 ms	332 KB	Output is correct
17	Correct	5 ms	332 KB	Output is correct
18	Correct	4 ms	212 KB	Output is correct
19	Correct	4 ms	336 KB	Output is correct
20	Correct	4 ms	212 KB	Output is correct
21	Correct	4 ms	212 KB	Output is correct
22	Correct	4 ms	336 KB	Output is correct
23	Correct	2 ms	212 KB	Output is correct
24	Correct	4 ms	340 KB	Output is correct
25	Correct	3 ms	332 KB	Output is correct
26	Correct	4 ms	212 KB	Output is correct
27	Correct	4 ms	340 KB	Output is correct
28	Correct	4 ms	332 KB	Output is correct
29	Correct	3 ms	212 KB	Output is correct
30	Correct	4 ms	212 KB	Output is correct
31	Correct	5 ms	324 KB	Output is correct
32	Correct	5 ms	212 KB	Output is correct
33	Correct	5 ms	212 KB	Output is correct
34	Correct	241 ms	340 KB	Output is correct
35	Correct	247 ms	340 KB	Output is correct
36	Correct	232 ms	340 KB	Output is correct
37	Correct	222 ms	340 KB	Output is correct
38	Correct	195 ms	340 KB	Output is correct
39	Correct	215 ms	344 KB	Output is correct
40	Correct	192 ms	460 KB	Output is correct
41	Correct	168 ms	344 KB	Output is correct
42	Correct	214 ms	340 KB	Output is correct
43	Correct	237 ms	340 KB	Output is correct
44	Correct	197 ms	340 KB	Output is correct
45	Correct	219 ms	340 KB	Output is correct
46	Correct	235 ms	340 KB	Output is correct
47	Correct	240 ms	340 KB	Output is correct
48	Correct	252 ms	344 KB	Output is correct
49	Correct	206 ms	340 KB	Output is correct
50	Correct	226 ms	340 KB	Output is correct
51	Correct	217 ms	336 KB	Output is correct
52	Correct	244 ms	464 KB	Output is correct

Subtask #4
0.0 / 65.0

#	Verdict	Execution time	Memory	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	212 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	1 ms	332 KB	Output is correct
7	Correct	1 ms	280 KB	Output is correct
8	Correct	1 ms	252 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	5 ms	336 KB	Output is correct
15	Correct	5 ms	212 KB	Output is correct
16	Correct	5 ms	332 KB	Output is correct
17	Correct	5 ms	332 KB	Output is correct
18	Correct	4 ms	212 KB	Output is correct
19	Correct	4 ms	336 KB	Output is correct
20	Correct	4 ms	212 KB	Output is correct
21	Correct	4 ms	212 KB	Output is correct
22	Correct	4 ms	336 KB	Output is correct
23	Correct	2 ms	212 KB	Output is correct
24	Correct	4 ms	340 KB	Output is correct
25	Correct	3 ms	332 KB	Output is correct
26	Correct	4 ms	212 KB	Output is correct
27	Correct	4 ms	340 KB	Output is correct
28	Correct	4 ms	332 KB	Output is correct
29	Correct	3 ms	212 KB	Output is correct
30	Correct	4 ms	212 KB	Output is correct
31	Correct	5 ms	324 KB	Output is correct
32	Correct	5 ms	212 KB	Output is correct
33	Correct	5 ms	212 KB	Output is correct
34	Correct	241 ms	340 KB	Output is correct
35	Correct	247 ms	340 KB	Output is correct
36	Correct	232 ms	340 KB	Output is correct
37	Correct	222 ms	340 KB	Output is correct
38	Correct	195 ms	340 KB	Output is correct
39	Correct	215 ms	344 KB	Output is correct
40	Correct	192 ms	460 KB	Output is correct
41	Correct	168 ms	344 KB	Output is correct
42	Correct	214 ms	340 KB	Output is correct
43	Correct	237 ms	340 KB	Output is correct
44	Correct	197 ms	340 KB	Output is correct
45	Correct	219 ms	340 KB	Output is correct
46	Correct	235 ms	340 KB	Output is correct
47	Correct	240 ms	340 KB	Output is correct
48	Correct	252 ms	344 KB	Output is correct
49	Correct	206 ms	340 KB	Output is correct
50	Correct	226 ms	340 KB	Output is correct
51	Correct	217 ms	336 KB	Output is correct
52	Correct	244 ms	464 KB	Output is correct
53	Execution timed out	2070 ms	3044 KB	Time limit exceeded
54	Halted	0 ms	0 KB	-

Submission #545758

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