Submission #545776

# Submission time Handle Problem Language Result Execution time Memory
545776 2022-04-05T12:37:49 Z Koosha_mv Monochrome Points (JOI20_monochrome) C++14
100 / 100
428 ms 7388 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

const int N=4e5+99;

int n,a[N],L[N],R[N],fenwik[N];
string s;
vector<int> vec0,vec1;

void add(int x, int val){ for (x++;x>0;x-=x&-x) fenwik[x]+=val; }
int get(int x) { int res=0; for(x++;x<N;x+=x&-x) res+=fenwik[x]; return res; }

ll calc(int shift){
	f(i,0,N) fenwik[i]=0;
	ll res=0;
	f(i,0,n){
		L[i]=min(vec0[i],vec1[(i+shift)%n]);
		R[i]=max(vec0[i],vec1[(i+shift)%n]);
		a[L[i]]=i;
		a[R[i]]=i;
	}
	f(i,0,2*n){
		if(L[a[i]]==i){
			add(i,1);
		}
		else{
			add(L[a[i]],-1);
			res+=get(L[a[i]]);
		}
	}
	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);
}
                                   
# Verdict Execution time Memory Grader output
1 Correct 1 ms 1876 KB Output is correct
2 Correct 2 ms 1876 KB Output is correct
3 Correct 1 ms 1876 KB Output is correct
4 Correct 1 ms 1876 KB Output is correct
5 Correct 2 ms 1876 KB Output is correct
6 Correct 1 ms 1876 KB Output is correct
7 Correct 1 ms 1876 KB Output is correct
8 Correct 2 ms 1876 KB Output is correct
9 Correct 1 ms 1876 KB Output is correct
10 Correct 1 ms 1876 KB Output is correct
11 Correct 1 ms 1876 KB Output is correct
12 Correct 1 ms 1876 KB Output is correct
13 Correct 1 ms 1876 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 1876 KB Output is correct
2 Correct 2 ms 1876 KB Output is correct
3 Correct 1 ms 1876 KB Output is correct
4 Correct 1 ms 1876 KB Output is correct
5 Correct 2 ms 1876 KB Output is correct
6 Correct 1 ms 1876 KB Output is correct
7 Correct 1 ms 1876 KB Output is correct
8 Correct 2 ms 1876 KB Output is correct
9 Correct 1 ms 1876 KB Output is correct
10 Correct 1 ms 1876 KB Output is correct
11 Correct 1 ms 1876 KB Output is correct
12 Correct 1 ms 1876 KB Output is correct
13 Correct 1 ms 1876 KB Output is correct
14 Correct 2 ms 1876 KB Output is correct
15 Correct 2 ms 1876 KB Output is correct
16 Correct 2 ms 1876 KB Output is correct
17 Correct 2 ms 1876 KB Output is correct
18 Correct 2 ms 1876 KB Output is correct
19 Correct 2 ms 1876 KB Output is correct
20 Correct 2 ms 1876 KB Output is correct
21 Correct 2 ms 1876 KB Output is correct
22 Correct 2 ms 1876 KB Output is correct
23 Correct 2 ms 1876 KB Output is correct
24 Correct 2 ms 1876 KB Output is correct
25 Correct 2 ms 1876 KB Output is correct
26 Correct 2 ms 1876 KB Output is correct
27 Correct 2 ms 1876 KB Output is correct
28 Correct 2 ms 1876 KB Output is correct
29 Correct 3 ms 1876 KB Output is correct
30 Correct 3 ms 1876 KB Output is correct
31 Correct 3 ms 1876 KB Output is correct
32 Correct 3 ms 1920 KB Output is correct
33 Correct 2 ms 1876 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 1876 KB Output is correct
2 Correct 2 ms 1876 KB Output is correct
3 Correct 1 ms 1876 KB Output is correct
4 Correct 1 ms 1876 KB Output is correct
5 Correct 2 ms 1876 KB Output is correct
6 Correct 1 ms 1876 KB Output is correct
7 Correct 1 ms 1876 KB Output is correct
8 Correct 2 ms 1876 KB Output is correct
9 Correct 1 ms 1876 KB Output is correct
10 Correct 1 ms 1876 KB Output is correct
11 Correct 1 ms 1876 KB Output is correct
12 Correct 1 ms 1876 KB Output is correct
13 Correct 1 ms 1876 KB Output is correct
14 Correct 2 ms 1876 KB Output is correct
15 Correct 2 ms 1876 KB Output is correct
16 Correct 2 ms 1876 KB Output is correct
17 Correct 2 ms 1876 KB Output is correct
18 Correct 2 ms 1876 KB Output is correct
19 Correct 2 ms 1876 KB Output is correct
20 Correct 2 ms 1876 KB Output is correct
21 Correct 2 ms 1876 KB Output is correct
22 Correct 2 ms 1876 KB Output is correct
23 Correct 2 ms 1876 KB Output is correct
24 Correct 2 ms 1876 KB Output is correct
25 Correct 2 ms 1876 KB Output is correct
26 Correct 2 ms 1876 KB Output is correct
27 Correct 2 ms 1876 KB Output is correct
28 Correct 2 ms 1876 KB Output is correct
29 Correct 3 ms 1876 KB Output is correct
30 Correct 3 ms 1876 KB Output is correct
31 Correct 3 ms 1876 KB Output is correct
32 Correct 3 ms 1920 KB Output is correct
33 Correct 2 ms 1876 KB Output is correct
34 Correct 5 ms 1876 KB Output is correct
35 Correct 5 ms 1876 KB Output is correct
36 Correct 5 ms 1876 KB Output is correct
37 Correct 4 ms 1876 KB Output is correct
38 Correct 4 ms 1876 KB Output is correct
39 Correct 4 ms 1876 KB Output is correct
40 Correct 4 ms 1876 KB Output is correct
41 Correct 4 ms 1876 KB Output is correct
42 Correct 4 ms 1876 KB Output is correct
43 Correct 4 ms 1876 KB Output is correct
44 Correct 4 ms 1964 KB Output is correct
45 Correct 4 ms 1876 KB Output is correct
46 Correct 4 ms 1876 KB Output is correct
47 Correct 4 ms 1876 KB Output is correct
48 Correct 4 ms 1876 KB Output is correct
49 Correct 5 ms 1876 KB Output is correct
50 Correct 4 ms 1876 KB Output is correct
51 Correct 5 ms 1876 KB Output is correct
52 Correct 5 ms 1876 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 1876 KB Output is correct
2 Correct 2 ms 1876 KB Output is correct
3 Correct 1 ms 1876 KB Output is correct
4 Correct 1 ms 1876 KB Output is correct
5 Correct 2 ms 1876 KB Output is correct
6 Correct 1 ms 1876 KB Output is correct
7 Correct 1 ms 1876 KB Output is correct
8 Correct 2 ms 1876 KB Output is correct
9 Correct 1 ms 1876 KB Output is correct
10 Correct 1 ms 1876 KB Output is correct
11 Correct 1 ms 1876 KB Output is correct
12 Correct 1 ms 1876 KB Output is correct
13 Correct 1 ms 1876 KB Output is correct
14 Correct 2 ms 1876 KB Output is correct
15 Correct 2 ms 1876 KB Output is correct
16 Correct 2 ms 1876 KB Output is correct
17 Correct 2 ms 1876 KB Output is correct
18 Correct 2 ms 1876 KB Output is correct
19 Correct 2 ms 1876 KB Output is correct
20 Correct 2 ms 1876 KB Output is correct
21 Correct 2 ms 1876 KB Output is correct
22 Correct 2 ms 1876 KB Output is correct
23 Correct 2 ms 1876 KB Output is correct
24 Correct 2 ms 1876 KB Output is correct
25 Correct 2 ms 1876 KB Output is correct
26 Correct 2 ms 1876 KB Output is correct
27 Correct 2 ms 1876 KB Output is correct
28 Correct 2 ms 1876 KB Output is correct
29 Correct 3 ms 1876 KB Output is correct
30 Correct 3 ms 1876 KB Output is correct
31 Correct 3 ms 1876 KB Output is correct
32 Correct 3 ms 1920 KB Output is correct
33 Correct 2 ms 1876 KB Output is correct
34 Correct 5 ms 1876 KB Output is correct
35 Correct 5 ms 1876 KB Output is correct
36 Correct 5 ms 1876 KB Output is correct
37 Correct 4 ms 1876 KB Output is correct
38 Correct 4 ms 1876 KB Output is correct
39 Correct 4 ms 1876 KB Output is correct
40 Correct 4 ms 1876 KB Output is correct
41 Correct 4 ms 1876 KB Output is correct
42 Correct 4 ms 1876 KB Output is correct
43 Correct 4 ms 1876 KB Output is correct
44 Correct 4 ms 1964 KB Output is correct
45 Correct 4 ms 1876 KB Output is correct
46 Correct 4 ms 1876 KB Output is correct
47 Correct 4 ms 1876 KB Output is correct
48 Correct 4 ms 1876 KB Output is correct
49 Correct 5 ms 1876 KB Output is correct
50 Correct 4 ms 1876 KB Output is correct
51 Correct 5 ms 1876 KB Output is correct
52 Correct 5 ms 1876 KB Output is correct
53 Correct 382 ms 7388 KB Output is correct
54 Correct 419 ms 7120 KB Output is correct
55 Correct 428 ms 7132 KB Output is correct
56 Correct 399 ms 7132 KB Output is correct
57 Correct 322 ms 7108 KB Output is correct
58 Correct 350 ms 7108 KB Output is correct
59 Correct 345 ms 6900 KB Output is correct
60 Correct 348 ms 7180 KB Output is correct
61 Correct 338 ms 7216 KB Output is correct
62 Correct 336 ms 7260 KB Output is correct
63 Correct 343 ms 7208 KB Output is correct
64 Correct 348 ms 6884 KB Output is correct
65 Correct 362 ms 6952 KB Output is correct
66 Correct 343 ms 6756 KB Output is correct
67 Correct 373 ms 6884 KB Output is correct
68 Correct 343 ms 6632 KB Output is correct
69 Correct 338 ms 7092 KB Output is correct
70 Correct 296 ms 6664 KB Output is correct
71 Correct 355 ms 7140 KB Output is correct
72 Correct 348 ms 7120 KB Output is correct
73 Correct 381 ms 7388 KB Output is correct