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ID题目提交者结果用时内存语言文件大小提交时间测评时间
#256542#6299. Binary StringSATSKYWA 164ms3624kbC++202.4kb2023-11-18 19:58:332023-11-18 19:58:34

Judging History

你现在查看的是最新测评结果

  • [2023-11-18 19:58:34]
  • 评测
  • 测评结果:WA
  • 用时:164ms
  • 内存:3624kb
  • [2023-11-18 19:58:33]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;using ll=long long;const int M=998244353;const double eps=1e-10,inf=1e30;
struct node{int v,b,len,tim;};
struct S
{
	vector<node>arr;string s;
	vector<int>l,r;
	bool chk(int L,int segc)
	{
		if(L%segc)return 0;int B=L/segc;
		for(int j=1;j<segc;j++)if(s.substr(0,B)!=s.substr(B*j,B))return 0;return 1;
	}
	void xlink(int L,int R){l[R]=L,r[L]=R;}
	void chk2(int L,int R,queue<int>&Q){if(arr[L].v&&!arr[R].v)Q.push(L);}
	void solve()
	{
		cin>>s;int n=s.length(),res=0;queue<int>Q;
		int p=0;for(int i=1;i<n;i++)if(s[i]!=s[0]){p=i;break;}if(!p){cout<<"1\n";return;}
		for(int l=p,r;l<p+n;l=r+1)
		{
			r=l;while(s[(r+1)%n]==s[l%n])r++;
			//cout<<l<<"$"<<r<<'\n';
			int len=(r-l+1)%n;if(len==1)continue;
			if(s[l%n]=='1')arr.push_back({1,l%n,len,0});
			else arr.push_back({0,r%n,len,0});
		}
		//for(auto k:arr)cout<<k.v<<'/'<<k.b<<'/'<<k.len<<'/'<<k.tim<<"\n";
		int siz=arr.size();l.resize(siz),r.resize(siz);for(int i=0;i<siz;i++)xlink(i,(i+1)%siz),chk2(i,(i+1)%siz,Q);
		for(;!Q.empty();Q.pop())
		{
			int L=Q.front(),R=r[L],LL=l[L],RR=r[R];int a=arr[L].len,b=arr[R].len,dL=min(a,b)-1;
			int tim=((arr[R].b-arr[L].b+n)%n+1-a-b)/2+dL;res=max(res,tim);
			arr[L].len-=dL;arr[L].tim=tim;arr[R].len-=dL;arr[R].tim=tim;
			//cout<<L<<','<<arr[L].len<<"|"<<R<<','<<arr[R].len<<"\n";
			if(arr[L].len==1&&arr[R].len==1){if(LL==L)continue;xlink(LL,RR);chk2(LL,RR,Q);}
			else if(arr[L].len==1)xlink(LL,R),chk2(LL,R,Q);else xlink(L,RR),chk2(L,RR,Q);
		}
		for(auto &k:s)k='2';
		for(auto &k:arr)if(k.len!=1)
		{
			if(k.v)
			{
				for(int p=k.b+k.tim,cnt=k.len;cnt;cnt--,p++)s[(p%n+n)%n]='1';
			}
			else
			{
				for(int p=k.b-k.tim,cnt=k.len;cnt;cnt--,p--)s[(p%n+n)%n]='0';
			}
		}
		//cout<<s<<'\n';
		for(int i=n;i<n*3;i++)if(s[i%n]=='2')
		{
			char c=s[(i-1)%n];
			if(c=='0')s[i%n]='1';
			if(c=='1')s[i%n]='0';
		}
		//cout<<s<<'\n';
		if(s[0]=='2') { cout<<res+2<<'\n';return; }
		int lft=n,segc=1;
		for(int i=2;i*i<=lft;i++)if(lft%i==0)
		{
			int L=n;while(chk(L,i))L/=i,segc*=i;
			while(lft%i==0)lft/=i;
		}
		if(chk(n,lft))segc*=lft;
		//cout<<segc<<"|\n";
		cout<<res+n/segc<<'\n';
	}
};
void precal()
{
	
}
int main()
{
	//freopen("1.in","r",stdin);
	cout<<fixed<<setprecision(12);
	ios::sync_with_stdio(0);cin.tie(0);precal();
	int t=1;cin>>t;
	//clock_t a=clock();
	while(t--){S SS;SS.solve();}
	//cout<<"Time:"<<double(clock()-a)<<'\n';
}

詳細信息

Test #1:

score: 100
Accepted
time: 0ms
memory: 3496kb

input:

3
1
001001
0001111

output:

1
3
9

result:

ok 3 number(s): "1 3 9"

Test #2:

score: -100
Wrong Answer
time: 164ms
memory: 3624kb

input:

262144
000000000000000000
100000000000000000
010000000000000000
110000000000000000
001000000000000000
101000000000000000
011000000000000000
111000000000000000
000100000000000000
100100000000000000
010100000000000000
110100000000000000
001100000000000000
101100000000000000
011100000000000000
11110000...

output:

1
18
18
19
18
18
19
20
18
18
18
20
19
19
20
21
18
18
18
19
18
18
20
21
19
19
19
21
20
20
21
22
18
18
18
19
18
18
19
21
18
18
18
21
20
20
21
22
19
19
19
19
19
19
21
22
20
20
20
22
21
21
22
23
18
18
18
19
18
18
19
20
18
18
18
20
19
19
21
22
18
18
18
19
18
18
21
22
20
20
20
22
21
21
22
23
19
19
19
19
1...

result:

wrong answer 770th numbers differ - expected: '19', found: '10'