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QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#553750#9241. SphinxJohnAlfnov57 227ms5108kbC++174.0kb2024-09-08 19:22:322024-09-08 19:22:33

Judging History

你现在查看的是最新测评结果

  • [2024-09-08 19:22:33]
  • 评测
  • 测评结果:57
  • 用时:227ms
  • 内存:5108kb
  • [2024-09-08 19:22:32]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;
#ifdef ONLINE_JUDGE
#include "sphinx.h"
#endif
#ifndef ONLINE_JUDGE
int a[1005],b[1005],cnt=0;
int perform_experiment(vector<int>E){
	printf("%d\n",++cnt);
	int sz=E.size();
	for(int i=0;i<sz;++i){
		b[i]=(E[i]==-1?a[i]:E[i]);
	}
	int ans=1;
	for(int i=0;i<sz-1;++i)ans+=(b[i]!=b[i+1]);
	return ans;
}
#endif
int n,m;
vector<int>C,G;
int fa[255],u[100005],v[100005];
int findfather(int x){
	return x==fa[x]?x:fa[x]=findfather(fa[x]);
}
int aa[255];
int findaa(int x){
	return x==aa[x]?x:aa[x]=findaa(aa[x]);
}
vector<int>gg[255];
int ss[255],vist[255],tt,I;
int query(int l,int r){
	for(int i=0;i<n;++i)vist[i]=0,aa[i]=i,C[i]=n;
	for(int i=l;i<=r;++i)for(auto cu:gg[ss[i]])vist[cu]=1,C[cu]=-1;
	vist[I]=1,C[I]=-1;
	for(int i=0;i<m;++i)if(!vist[u[i]]&&!vist[v[i]]){
		int fu=findaa(u[i]),fv=findaa(v[i]);
		if(fu!=fv)aa[fu]=fv;
	}
	int cnt=0;
	for(int i=0;i<n;++i)if(!vist[i]&&aa[i]==i)++cnt;
	return r-l+1+1+cnt-perform_experiment(C);
}
void solve(int l,int r,int k){
	if(!k)return;
	if(l==r){
		fa[ss[l]]=I;
		return;
	}
	int mid=(l+r)>>1;
	int k1=query(l,mid);
	solve(l,mid,k1);
	solve(mid+1,r,k-k1);
}
int s1[255],s2[255];
vector<int>g[255];
int dep[255];
void dfs(int x){
	vist[x]=1;
	for(auto cu:g[x])if(!vist[cu]){
		dep[cu]=dep[x]+1;
		dfs(cu);
	}
}
int query1(int l,int r,int d){
	for(int i=0;i<n;++i)vist[i]=0,aa[i]=i,C[i]=d;
	for(int i=l;i<=r;++i)for(auto cu:gg[s1[i]])vist[cu]=1,C[cu]=-1;
	for(int i=0;i<m;++i)if(!vist[u[i]]&&!vist[v[i]]){
		int fu=findaa(u[i]),fv=findaa(v[i]);
		if(fu!=fv)aa[fu]=fv;
	}
	int cnt=0;
	for(int i=0;i<n;++i)if(!vist[i]&&aa[i]==i)++cnt;
	return r-l+1+cnt-perform_experiment(C);
}
int query2(int l,int r,int d){
	for(int i=0;i<n;++i)vist[i]=0,aa[i]=i,C[i]=d;
	for(int i=l;i<=r;++i)for(auto cu:gg[s2[i]])vist[cu]=1,C[cu]=-1;
	for(int i=0;i<m;++i)if(!vist[u[i]]&&!vist[v[i]]){
		int fu=findaa(u[i]),fv=findaa(v[i]);
		if(fu!=fv)aa[fu]=fv;
	}
	int cnt=0;
	for(int i=0;i<n;++i)if(!vist[i]&&aa[i]==i)++cnt;
	return r-l+1+cnt-perform_experiment(C);
}
void solve1(int l,int r,int k,int d){
	if(!k)return;
	if(l==r){
		G[s1[l]]=d;
		return;
	}
	int mid=(l+r)>>1;
	int k1=query1(l,mid,d);
	solve1(l,mid,k1,d);
	solve1(mid+1,r,k-k1,d);
}
void solve2(int l,int r,int k,int d){
	if(!k)return;
	if(l==r){
		G[s2[l]]=d;
		return;
	}
	int mid=(l+r)>>1;
	int k1=query2(l,mid,d);
	solve2(l,mid,k1,d);
	solve2(mid+1,r,k-k1,d);
}
vector<int>find_colours(int N,vector<int>X,vector<int>Y){
	n=N;m=X.size();
	C.resize(n);G.resize(n);
	for(int i=0;i<m;++i)u[i]=X[i],v[i]=Y[i];
	for(int i=0;i<n;++i)fa[i]=i;
	for(int i=1;i<n;++i){
		I=i;
		for(int j=0;j<i;++j)gg[j].clear();
		for(int j=0;j<i;++j){
			gg[findfather(j)].emplace_back(j);
		}
		tt=0;
		for(int j=0;j<i;++j)if(gg[j].size())ss[++tt]=j;
		solve(1,tt,query(1,tt));
	}
	for(int j=0;j<n;++j)gg[j].clear();
	for(int j=0;j<n;++j){
		gg[findfather(j)].emplace_back(j);
	}
	for(int i=0;i<n;++i)g[i].clear();
	for(int i=0;i<m;++i)if(findfather(u[i])!=findfather(v[i])){
		int fu=fa[u[i]],fv=fa[v[i]];
		g[fu].emplace_back(fv);
		g[fv].emplace_back(fu);
	}
	int r=findfather(0);
	for(int i=0;i<n;++i)vist[i]=0;
	dep[r]=0;dfs(r);
	int t1=0,t2=0;
	for(int i=0;i<n;++i)if(fa[i]==i){
		if(dep[i]%2)s1[++t1]=i;
		else s2[++t2]=i;
	}
	if(t1+t2==1){
		int fl=0;
		for(int i=0;i<n;++i){
			for(int j=0;j<n;++j)G[j]=(j==0?-1:i);
			if(perform_experiment(G)==1){
				for(int j=0;j<n;++j)G[j]=i;
				fl=1;
				break;
			}
		}
		assert(fl);
		return G;
	}
	for(int d=0;d<n;++d){
		if(t1)solve1(1,t1,query1(1,t1,d),d);
		if(t2)solve2(1,t2,query2(1,t2,d),d);
	}
	for(int i=0;i<n;++i)G[i]=G[fa[i]];
	return G;
}
#ifndef ONLINE_JUDGE
int main(){
	int n;
	cin>>n;
	mt19937 mt(time(0));
	for(int i=0;i<n;++i)a[i]=1;
	vector<int>X(n-1),Y(n-1);
	for(int i=0;i<n-1;++i){
		X[i]=i,Y[i]=i+1;
	}
	auto ans=find_colours(n,X,Y);
	for(int i=0;i<n;++i)printf("%d ",a[i]);
	printf("\n");
	for(int i=0;i<n;++i)printf("%d ",ans[i]);
	return 0;
}
#endif

Details

Tip: Click on the bar to expand more detailed information

Subtask #1:

score: 3
Accepted

Test #1:

score: 3
Accepted
time: 1ms
memory: 3828kb

input:

1978433568
2
1
0
1
1978433568
1
1978433568
1

output:

877694080
-1
-1
877694080
-1
0
877694081
0
0

result:

ok #experiments: 2

Test #2:

score: 3
Accepted
time: 1ms
memory: 3808kb

input:

1978433568
2
1
0
1
1978433568
2
1978433568
2
1978433568
1
1978433568
1
1978433568
2

output:

877694080
-1
-1
877694080
0
-1
877694080
-1
0
877694080
1
-1
877694080
-1
1
877694081
0
1

result:

ok #experiments: 5

Test #3:

score: 3
Accepted
time: 1ms
memory: 3900kb

input:

1978433568
2
1
0
1
1978433568
2
1978433568
1
1978433568
2
1978433568
2
1978433568
1

output:

877694080
-1
-1
877694080
0
-1
877694080
-1
0
877694080
1
-1
877694080
-1
1
877694081
1
0

result:

ok #experiments: 5

Test #4:

score: 3
Accepted
time: 0ms
memory: 3808kb

input:

1978433568
2
1
0
1
1978433568
1
1978433568
2
1978433568
1

output:

877694080
-1
-1
877694080
-1
0
877694080
-1
1
877694081
1
1

result:

ok #experiments: 3

Subtask #2:

score: 0
Wrong Answer

Dependency #1:

100%
Accepted

Test #5:

score: 7
Accepted
time: 0ms
memory: 3816kb

input:

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19784335...

output:

877694080
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5...

result:

ok #experiments: 74

Test #6:

score: 7
Accepted
time: 2ms
memory: 3828kb

input:

1978433568
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1978433568
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1...

output:

877694080
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4...

result:

ok #experiments: 186

Test #7:

score: 7
Accepted
time: 2ms
memory: 4096kb

input:

1978433568
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19784335...

output:

877694080
-1
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877694080
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5...

result:

ok #experiments: 235

Test #8:

score: 7
Accepted
time: 2ms
memory: 4092kb

input:

1978433568
49
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1978433568
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1...

output:

877694080
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877694080
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4...

result:

ok #experiments: 213

Test #9:

score: 7
Accepted
time: 0ms
memory: 3836kb

input:

1978433568
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19784335...

output:

877694080
-1
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877694080
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5...

result:

ok #experiments: 276

Test #10:

score: 7
Accepted
time: 3ms
memory: 3892kb

input:

1978433568
49
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1978433568
2
1...

output:

877694080
-1
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4...

result:

ok #experiments: 280

Test #11:

score: 7
Accepted
time: 4ms
memory: 4096kb

input:

1978433568
50
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0
1
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19784335...

output:

877694080
-1
-1
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877694080
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5...

result:

ok #experiments: 365

Test #12:

score: 7
Accepted
time: 0ms
memory: 3768kb

input:

1978433568
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1
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19784335...

output:

877694080
-1
-1
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877694080
-1
-1
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50
50
50
5...

result:

ok #experiments: 385

Test #13:

score: 7
Accepted
time: 3ms
memory: 3780kb

input:

1978433568
49
481
0
6
0
7
0
12
0
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4
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4
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2
5
5
6
5
13
5
16
5
17...

output:

877694080
-1
-1
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877694080
-1
-1
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49
49
49
4...

result:

ok #experiments: 289

Test #14:

score: 7
Accepted
time: 3ms
memory: 3912kb

input:

1978433568
50
500
0
6
0
9
0
15
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4
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4
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4
26
4
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4
36
4
38
4
39...

output:

877694080
-1
-1
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877694080
-1
-1
-1
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50
50
50
5...

result:

ok #experiments: 278

Test #15:

score: 7
Accepted
time: 4ms
memory: 4108kb

input:

1978433568
48
461
0
7
0
11
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0
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0
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...

output:

877694080
-1
-1
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48
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877694080
-1
-1
-1
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48
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48
48
48
48
48
48
48
4...

result:

ok #experiments: 318

Test #16:

score: 7
Accepted
time: 4ms
memory: 3860kb

input:

1978433568
50
500
0
4
0
16
0
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0
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0
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0
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0
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4
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5
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5
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5
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5
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5
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5
...

output:

877694080
-1
-1
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877694080
-1
-1
-1
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50
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50
50
50
50
50
50
50
50
50
50
50
5...

result:

ok #experiments: 361

Test #17:

score: 7
Accepted
time: 1ms
memory: 3872kb

input:

1978433568
50
1225
0
1
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1
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1
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1
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1
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1
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1
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1
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1
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1
11
1
1...

output:

877694080
-1
-1
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50
50
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877694080
-1
-1
-1
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50
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50
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50
50
50
50
50
50
50
5...

result:

ok #experiments: 64

Test #18:

score: 7
Accepted
time: 4ms
memory: 3848kb

input:

1978433568
49
1176
0
1
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1
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1
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1
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1
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1
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1
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1
11
1
12
1
1...

output:

877694080
-1
-1
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49
49
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877694080
-1
-1
-1
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49
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49
49
49
49
49
49
49
4...

result:

ok #experiments: 255

Test #19:

score: 7
Accepted
time: 4ms
memory: 4132kb

input:

1978433568
50
1225
0
1
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1
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1
4
1
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1
6
1
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1
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1
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1
10
1
11
1
1...

output:

877694080
-1
-1
50
50
50
50
50
50
50
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877694080
-1
-1
-1
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50
50
50
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50
50
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50
50
50
50
50
50
50
50
50
50
50
5...

result:

ok #experiments: 270

Test #20:

score: 7
Accepted
time: 0ms
memory: 3876kb

input:

1978433568
49
1176
0
1
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2
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1
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1
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1
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1
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1
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1
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1
10
1
11
1
12
1
1...

output:

877694080
-1
-1
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49
49
49
49
49
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877694080
-1
-1
-1
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49
49
49
49
49
49
49
49
49
49
49
49
49
49
49
49
49
49
4...

result:

ok #experiments: 298

Test #21:

score: 7
Accepted
time: 0ms
memory: 3876kb

input:

1978433568
50
1225
0
1
0
2
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1
3
1
4
1
5
1
6
1
7
1
8
1
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1
10
1
11
1
1...

output:

877694080
-1
-1
50
50
50
50
50
50
50
50
50
50
50
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50
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50
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877694080
-1
-1
-1
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50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
5...

result:

ok #experiments: 332

Test #22:

score: 7
Accepted
time: 0ms
memory: 3876kb

input:

1978433568
49
1176
0
1
0
2
0
3
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0
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1
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1
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1
4
1
5
1
6
1
7
1
8
1
9
1
10
1
11
1
12
1
1...

output:

877694080
-1
-1
49
49
49
49
49
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49
49
49
49
49
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49
49
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877694080
-1
-1
-1
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49
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49
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49
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49
49
49
49
49
49
49
49
49
49
49
49
49
49
49
49
49
49
4...

result:

ok #experiments: 341

Test #23:

score: 7
Accepted
time: 5ms
memory: 4152kb

input:

1978433568
50
1225
0
1
0
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1
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1
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1
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1
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1
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1
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1
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1
10
1
11
1
1...

output:

877694080
-1
-1
50
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877694080
-1
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5...

result:

ok #experiments: 369

Test #24:

score: 7
Accepted
time: 0ms
memory: 3856kb

input:

1978433568
50
1225
0
1
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1
1...

output:

877694080
-1
-1
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877694080
-1
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50
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50
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5...

result:

ok #experiments: 385

Test #25:

score: 7
Accepted
time: 3ms
memory: 3892kb

input:

1978433568
50
49
27
40
29
40
40
43
24
29
40
45
25
29
25
49
16
25
42
43
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41
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33
42
2
42
0
25
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24
8
33
20
38
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43
8
17
6
20
22
34
0
19
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49
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37
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45
20
32
12
42
7
29
3
49
20
21
3
31
9
39
36
43
4
36
15
40
30
33
11
23
14
21
1
17
19
44
10
30
26
35
13
32
5
40
0
46
28
41
14
48
18
31
197...

output:

877694080
-1
-1
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877694080
-1
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50
50
50
50
50
5...

result:

ok #experiments: 270

Test #26:

score: 7
Accepted
time: 3ms
memory: 3836kb

input:

1978433568
49
48
18
20
18
29
15
29
26
29
15
44
6
18
1
18
39
44
26
28
15
38
11
18
15
42
28
35
2
20
13
20
13
34
22
29
22
33
26
43
24
26
13
36
21
22
0
44
17
39
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48
35
41
6
19
22
30
12
17
0
4
42
45
10
43
9
40
0
7
3
19
5
10
19
31
1
32
8
13
2
14
23
26
25
36
20
46
5
27
7
37
2
47
5
16
1978433568
6
1...

output:

877694080
-1
-1
49
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877694080
-1
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49
49
4...

result:

ok #experiments: 330

Test #27:

score: 7
Accepted
time: 3ms
memory: 4104kb

input:

1978433568
50
49
10
15
15
46
15
29
4
29
14
29
10
35
10
49
15
18
8
10
19
29
0
10
8
32
8
38
35
44
29
41
30
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27
38
29
31
15
28
9
14
7
32
21
29
1
19
19
23
18
33
6
27
4
40
27
34
31
47
4
17
11
21
3
41
22
32
39
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20
46
14
26
27
37
16
17
27
42
4
36
12
17
7
25
8
43
9
13
44
48
2
15
2
45
5
38
17
24
19784335...

output:

877694080
-1
-1
50
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877694080
-1
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50
50
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5...

result:

ok #experiments: 364

Test #28:

score: 0
Wrong Answer
time: 3ms
memory: 3836kb

input:

1978433568
50
250
24
41
7
41
24
49
6
7
0
24
15
24
5
6
0
27
23
27
13
24
0
39
0
28
5
20
1
7
1
48
11
41
7
29
26
28
25
28
28
37
22
26
36
37
8
22
10
11
1
2
5
14
5
46
0
9
36
42
6
45
8
19
35
41
18
22
25
47
31
41
34
47
20
21
27
38
13
32
4
28
16
47
24
30
6
17
3
5
12
15
2
43
40
47
33
35
44
49
11
37
17
36
15
3...

output:

877694080
-1
-1
50
50
50
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877694080
-1
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5...

result:

wrong answer Vertices 0 and 27 do not have the same color, but they do in returned answer

Subtask #3:

score: 33
Accepted

Test #34:

score: 33
Accepted
time: 12ms
memory: 4204kb

input:

1978433568
250
249
0
1
1
2
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...

output:

877694080
-1
-1
250
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250
250
250
...

result:

ok #experiments: 851

Test #35:

score: 33
Accepted
time: 15ms
memory: 3900kb

input:

1978433568
250
249
0
1
1
2
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...

output:

877694080
-1
-1
250
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250
...

result:

ok #experiments: 911

Test #36:

score: 33
Accepted
time: 15ms
memory: 3872kb

input:

1978433568
250
249
0
1
1
2
2
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...

output:

877694080
-1
-1
250
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250
250
250
...

result:

ok #experiments: 1296

Test #37:

score: 33
Accepted
time: 21ms
memory: 4144kb

input:

1978433568
250
249
0
1
1
2
2
3
3
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...

output:

877694080
-1
-1
250
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250
250
250
...

result:

ok #experiments: 1246

Test #38:

score: 33
Accepted
time: 19ms
memory: 3824kb

input:

1978433568
250
249
0
1
1
2
2
3
3
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...

output:

877694080
-1
-1
250
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250
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250
250
250
...

result:

ok #experiments: 1748

Test #39:

score: 33
Accepted
time: 37ms
memory: 3852kb

input:

1978433568
250
249
0
1
1
2
2
3
3
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...

output:

877694080
-1
-1
250
250
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250
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250
250
250
...

result:

ok #experiments: 2035

Test #40:

score: 33
Accepted
time: 37ms
memory: 3856kb

input:

1978433568
250
249
0
1
1
2
2
3
3
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...

output:

877694080
-1
-1
250
250
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250
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250
250
250
...

result:

ok #experiments: 2312

Test #41:

score: 33
Accepted
time: 7ms
memory: 4284kb

input:

1978433568
250
249
0
1
1
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48
48
49
49
50
...

output:

877694080
-1
-1
250
250
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250
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250
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250
250
250
...

result:

ok #experiments: 383

Test #42:

score: 33
Accepted
time: 37ms
memory: 3832kb

input:

1978433568
250
249
0
1
1
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...

output:

877694080
-1
-1
250
250
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250
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250
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250
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250
...

result:

ok #experiments: 2493

Subtask #4:

score: 21
Accepted

Test #43:

score: 21
Accepted
time: 59ms
memory: 5056kb

input:

1978433568
250
31125
0
1
0
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0
3
0
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0
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0
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0
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0
54
0
55
0
56
0
57
0
5...

output:

877694080
-1
-1
250
250
250
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250
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250
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250
250
250
250
250
250
250
...

result:

ok #experiments: 997

Test #44:

score: 21
Accepted
time: 116ms
memory: 5012kb

input:

1978433568
250
31125
0
1
0
2
0
3
0
4
0
5
0
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0
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0
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0
51
0
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0
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0
54
0
55
0
56
0
57
0
5...

output:

877694080
-1
-1
250
250
250
250
250
250
250
250
250
250
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250
250
250
250
250
250
250
250
250
...

result:

ok #experiments: 1410

Test #45:

score: 21
Accepted
time: 139ms
memory: 4732kb

input:

1978433568
250
31125
0
1
0
2
0
3
0
4
0
5
0
6
0
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0
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0
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0
50
0
51
0
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0
53
0
54
0
55
0
56
0
57
0
5...

output:

877694080
-1
-1
250
250
250
250
250
250
250
250
250
250
250
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250
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250
250
250
250
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250
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250
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250
250
250
250
250
250
250
250
250
...

result:

ok #experiments: 1710

Test #46:

score: 21
Accepted
time: 168ms
memory: 4744kb

input:

1978433568
250
31125
0
1
0
2
0
3
0
4
0
5
0
6
0
7
0
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0
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0
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0
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0
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0
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0
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0
55
0
56
0
57
0
5...

output:

877694080
-1
-1
250
250
250
250
250
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250
250
250
250
250
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250
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250
250
250
250
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250
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250
250
250
250
250
250
250
250
250
250
250
...

result:

ok #experiments: 1928

Test #47:

score: 21
Accepted
time: 200ms
memory: 4796kb

input:

1978433568
250
31125
0
1
0
2
0
3
0
4
0
5
0
6
0
7
0
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0
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0
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0
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0
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0
49
0
50
0
51
0
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0
53
0
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0
55
0
56
0
57
0
5...

output:

877694080
-1
-1
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
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250
250
250
250
250
250
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250
250
250
250
250
250
250
250
250
250
...

result:

ok #experiments: 2202

Test #48:

score: 21
Accepted
time: 221ms
memory: 4872kb

input:

1978433568
250
31125
0
1
0
2
0
3
0
4
0
5
0
6
0
7
0
8
0
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0
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0
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0
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0
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0
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0
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0
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0
55
0
56
0
57
0
5...

output:

877694080
-1
-1
250
250
250
250
250
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250
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250
250
250
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250
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250
250
250
250
250
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250
250
250
250
250
250
250
250
250
250
...

result:

ok #experiments: 2301

Test #49:

score: 21
Accepted
time: 219ms
memory: 4856kb

input:

1978433568
250
31125
0
1
0
2
0
3
0
4
0
5
0
6
0
7
0
8
0
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0
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0
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0
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0
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0
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0
51
0
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0
53
0
54
0
55
0
56
0
57
0
5...

output:

877694080
-1
-1
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
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250
250
250
250
250
250
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250
250
250
250
250
250
250
250
250
250
250
...

result:

ok #experiments: 2409

Test #50:

score: 21
Accepted
time: 24ms
memory: 4796kb

input:

1978433568
250
31125
0
1
0
2
0
3
0
4
0
5
0
6
0
7
0
8
0
9
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0
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0
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0
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0
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0
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0
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0
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0
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0
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0
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0
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0
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0
40
0
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0
42
0
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0
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0
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0
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0
47
0
48
0
49
0
50
0
51
0
52
0
53
0
54
0
55
0
56
0
57
0
5...

output:

877694080
-1
-1
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
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250
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250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
...

result:

ok #experiments: 309

Test #51:

score: 21
Accepted
time: 227ms
memory: 5108kb

input:

1978433568
250
31125
0
1
0
2
0
3
0
4
0
5
0
6
0
7
0
8
0
9
0
10
0
11
0
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0
13
0
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0
15
0
16
0
17
0
18
0
19
0
20
0
21
0
22
0
23
0
24
0
25
0
26
0
27
0
28
0
29
0
30
0
31
0
32
0
33
0
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0
35
0
36
0
37
0
38
0
39
0
40
0
41
0
42
0
43
0
44
0
45
0
46
0
47
0
48
0
49
0
50
0
51
0
52
0
53
0
54
0
55
0
56
0
57
0
5...

output:

877694080
-1
-1
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
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250
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250
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250
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250
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250
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250
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250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
...

result:

ok #experiments: 2493

Subtask #5:

score: 0
Skipped

Dependency #1:

100%
Accepted

Dependency #2:

0%