oj.uz

Submission #544261

# Submission time Handle Problem Language Result Execution time Memory
544261 2022-04-01T14:32:23 Z Koosha_mv Monochrome Points (JOI20_monochrome) C++14
25 / 100
 2000 ms 344 KB 
#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
#define int ll

const int N=1e6+99;

int n,t,a[N];
ll ans;
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;
}

int32_t main(){
	ios:: sync_with_stdio(0), cin.tie(0), cout.tie(0);
	cin>>n>>s;
	f(i,0,n<<1){
		if(s[i]=='B') vec0.pb(i);
		else vec1.pb(i);
	}
	f(shift,0,n){
		//if(shift!=1) continue ;
		ll 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;
			}
		}	
		maxm(ans,res);
	}
	cout<<ans;
}

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 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 328 KB Output is correct
11 Correct 1 ms 332 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 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 328 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 69 ms 328 KB Output is correct
15 Correct 67 ms 340 KB Output is correct
16 Correct 64 ms 340 KB Output is correct
17 Correct 72 ms 340 KB Output is correct
18 Correct 44 ms 340 KB Output is correct
19 Correct 53 ms 340 KB Output is correct
20 Correct 52 ms 340 KB Output is correct
21 Correct 52 ms 340 KB Output is correct
22 Correct 48 ms 340 KB Output is correct
23 Correct 19 ms 344 KB Output is correct
24 Correct 49 ms 216 KB Output is correct
25 Correct 43 ms 212 KB Output is correct
26 Correct 49 ms 340 KB Output is correct
27 Correct 53 ms 212 KB Output is correct
28 Correct 63 ms 340 KB Output is correct
29 Correct 46 ms 328 KB Output is correct
30 Correct 47 ms 340 KB Output is correct
31 Correct 65 ms 320 KB Output is correct
32 Correct 66 ms 340 KB Output is correct
33 Correct 66 ms 340 KB Output is correct

Subtask #3
0.0 / 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 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 328 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 69 ms 328 KB Output is correct
15 Correct 67 ms 340 KB Output is correct
16 Correct 64 ms 340 KB Output is correct
17 Correct 72 ms 340 KB Output is correct
18 Correct 44 ms 340 KB Output is correct
19 Correct 53 ms 340 KB Output is correct
20 Correct 52 ms 340 KB Output is correct
21 Correct 52 ms 340 KB Output is correct
22 Correct 48 ms 340 KB Output is correct
23 Correct 19 ms 344 KB Output is correct
24 Correct 49 ms 216 KB Output is correct
25 Correct 43 ms 212 KB Output is correct
26 Correct 49 ms 340 KB Output is correct
27 Correct 53 ms 212 KB Output is correct
28 Correct 63 ms 340 KB Output is correct
29 Correct 46 ms 328 KB Output is correct
30 Correct 47 ms 340 KB Output is correct
31 Correct 65 ms 320 KB Output is correct
32 Correct 66 ms 340 KB Output is correct
33 Correct 66 ms 340 KB Output is correct
34 Execution timed out 2074 ms 340 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 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 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 328 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 69 ms 328 KB Output is correct
15 Correct 67 ms 340 KB Output is correct
16 Correct 64 ms 340 KB Output is correct
17 Correct 72 ms 340 KB Output is correct
18 Correct 44 ms 340 KB Output is correct
19 Correct 53 ms 340 KB Output is correct
20 Correct 52 ms 340 KB Output is correct
21 Correct 52 ms 340 KB Output is correct
22 Correct 48 ms 340 KB Output is correct
23 Correct 19 ms 344 KB Output is correct
24 Correct 49 ms 216 KB Output is correct
25 Correct 43 ms 212 KB Output is correct
26 Correct 49 ms 340 KB Output is correct
27 Correct 53 ms 212 KB Output is correct
28 Correct 63 ms 340 KB Output is correct
29 Correct 46 ms 328 KB Output is correct
30 Correct 47 ms 340 KB Output is correct
31 Correct 65 ms 320 KB Output is correct
32 Correct 66 ms 340 KB Output is correct
33 Correct 66 ms 340 KB Output is correct
34 Execution timed out 2074 ms 340 KB Time limit exceeded
35 Halted 0 ms 0 KB -