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#553785#9241. SphinxJohnAlfnov3 176ms5068kbC++174.5kb2024-09-08 20:17:382024-09-08 20:17:39

Judging History

你现在查看的是最新测评结果

  • [2024-09-08 20:17:39]
  • 评测
  • 测评结果：3
  • 用时：176ms
  • 内存：5068kb
查看
  • [2024-09-08 20:17:38]
  • 提交

answer

#include<bits/stdc++.h>
#define ONLINE_JUDGE
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);
}
int p[255],v1[255],v2[255],sy1,sy2;
void solve1(int l,int r,int k,int d){
	if(!k)return;
	if(l==r){
		G[s1[l]]=d;v1[l]=1;--sy1;
		return;
	}
	int mid=(l+r)>>1;
	int al=0,ar=0;
	for(int i=l;i<=mid;++i)al+=v1[i];
	for(int i=mid+1;i<=r;++i)ar+=v1[i];
	if(al<mid-l+1)solve1(l,mid,(mid-l+1-al==sy1?1:query1(l,mid,d)),d);
	if(ar<r-mid)solve1(mid+1,r,(r-mid-ar==sy1?1:query1(mid+1,r,d)),d);
}
void solve2(int l,int r,int k,int d){
	if(!k)return;
	if(l==r){
		G[s2[l]]=d;v2[l]=1;--sy2;
		return;
	}
	int mid=(l+r)>>1;
	int al=0,ar=0;
	for(int i=l;i<=mid;++i)al+=v2[i];
	for(int i=mid+1;i<=r;++i)ar+=v2[i];
	if(al<mid-l+1)solve2(l,mid,(mid-l+1-al==sy2?1:query2(l,mid,d)),d);
	if(ar<r-mid)solve2(mid+1,r,(r-mid-ar==sy2?1:query2(mid+1,r,d)),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){
		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;
				break;
			}
		}
		return G;
	}
	for(int i=1;i<=t1;++i)v1[i]=0;
	for(int i=1;i<=t2;++i)v2[i]=0;
	for(int i=0;i<n;++i)p[i]=i;
	mt19937 mt(1377);
	shuffle(p,p+n,mt);
	sy1=t1;sy2=t2;
	for(int dd=0;dd<n;++dd){
		int d=p[dd];
		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=10;
	mt19937 mt(time(0));
	for(int i=0;i<n;++i)a[i]=mt()%n;
	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)assert(a[i]==ans[i]);
	system("sphinx");
	return 0;
}
#endif
源文件, 语言: C++17

详细

Subtask #1:

score: 3
Accepted

Test #1:

score: 3
Accepted
time: 1ms
memory: 3816kb

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: 0ms
memory: 3816kb

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: 0ms
memory: 4100kb

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: 1ms
memory: 3836kb

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: 1ms
memory: 3920kb

input:

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19784335...

output:

877694080
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877694080
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5...

result:

ok #experiments: 74

Test #6:

score: 3.5
Acceptable Answer
time: 2ms
memory: 3904kb

input:

1978433568
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1978433568
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1...

output:

877694080
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877694080
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4...

result:

points 0.50 points  0.5

Test #7:

score: 3.5
Acceptable Answer
time: 2ms
memory: 3840kb

input:

1978433568
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19784335...

output:

877694080
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877694080
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5...

result:

points 0.50 points  0.5

Test #8:

score: 7
Accepted
time: 2ms
memory: 4104kb

input:

1978433568
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1978433568
2
1...

output:

877694080
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877694080
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4...

result:

ok #experiments: 215

Test #9:

score: 3.5
Acceptable Answer
time: 1ms
memory: 3820kb

input:

1978433568
50
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19784335...

output:

877694080
-1
-1
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877694080
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5...

result:

points 0.50 points  0.5

Test #10:

score: 3.5
Acceptable Answer
time: 3ms
memory: 3776kb

input:

1978433568
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1978433568
2
1...

output:

877694080
-1
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877694080
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4...

result:

points 0.50 points  0.5

Test #11:

score: 3.5
Acceptable Answer
time: 4ms
memory: 3824kb

input:

1978433568
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19784335...

output:

877694080
-1
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877694080
-1
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5...

result:

points 0.50 points  0.5

Test #12:

score: 3.5
Acceptable Answer
time: 3ms
memory: 4108kb

input:

1978433568
50
49
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1
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19784335...

output:

877694080
-1
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877694080
-1
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5...

result:

points 0.50 points  0.5

Test #13:

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

input:

1978433568
49
481
0
6
0
7
0
12
0
13
0
16
0
19
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20
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33
0
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46
1
2
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
34
2
20
2
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2
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2
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46
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17...

output:

877694080
-1
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877694080
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4...

result:

ok #experiments: 379

Test #14:

score: 7
Accepted
time: 0ms
memory: 4092kb

input:

1978433568
50
500
0
6
0
9
0
15
0
16
0
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0
19
0
23
0
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25
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31
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0
33
0
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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
31
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41
1
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1
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0
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39...

output:

877694080
-1
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877694080
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5...

result:

ok #experiments: 361

Test #15:

score: 7
Accepted
time: 5ms
memory: 3832kb

input:

1978433568
48
461
0
7
0
11
0
18
0
22
0
25
0
26
0
27
0
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3
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1
30
1
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1
41
1
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1
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2
6
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2
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2
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2
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2
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3
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3
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3
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1
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4
7
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0
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...

output:

877694080
-1
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877694080
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4...

result:

ok #experiments: 435

Test #16:

score: 0
Wrong Answer
time: 3ms
memory: 3840kb

input:

1978433568
50
500
0
4
0
16
0
17
0
21
0
23
0
27
0
40
0
47
1
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1
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1
38
1
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1
49
2
11
2
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2
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2
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3
15
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3
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3
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3
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3
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3
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3
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1
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...

output:

877694080
-1
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877694080
-1
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5...

result:

wrong answer Vertices 7 and 33 do not have the same color, but they do in returned answer

Subtask #3:

score: 0
Runtime Error

Test #34:

score: 33
Accepted
time: 15ms
memory: 3940kb

input:

1978433568
250
249
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1
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...

output:

877694080
-1
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...

result:

ok #experiments: 851

Test #35:

score: 16.5
Acceptable Answer
time: 16ms
memory: 3908kb

input:

1978433568
250
249
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1
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...

output:

877694080
-1
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...

result:

points 0.50 points  0.5

Test #36:

score: 16.5
Acceptable Answer
time: 21ms
memory: 3880kb

input:

1978433568
250
249
0
1
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...

output:

877694080
-1
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...

result:

points 0.50 points  0.5

Test #37:

score: 16.5
Acceptable Answer
time: 26ms
memory: 3952kb

input:

1978433568
250
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...

output:

877694080
-1
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...

result:

points 0.50 points  0.5

Test #38:

score: 16.5
Acceptable Answer
time: 29ms
memory: 4120kb

input:

1978433568
250
249
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1
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...

output:

877694080
-1
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...

result:

points 0.50 points  0.5

Test #39:

score: 16.5
Acceptable Answer
time: 30ms
memory: 3900kb

input:

1978433568
250
249
0
1
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...

output:

877694080
-1
-1
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...

result:

points 0.50 points  0.5

Test #40:

score: 0
Runtime Error

input:

1978433568
250
249
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1
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...

output:

877694080
-1
-1
250
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...

result:

Subtask #4:

score: 0
Wrong Answer

Test #43:

score: 21
Accepted
time: 72ms
memory: 5068kb

input:

1978433568
250
31125
0
1
0
2
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20
0
21
0
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0
23
0
24
0
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0
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0
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0
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0
29
0
30
0
31
0
32
0
33
0
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0
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0
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0
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0
38
0
39
0
40
0
41
0
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0
43
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
5...

output:

877694080
-1
-1
250
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...

result:

ok #experiments: 997

Test #44:

score: 21
Accepted
time: 107ms
memory: 4752kb

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
10
0
11
0
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0
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0
14
0
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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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0
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0
23
0
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0
25
0
26
0
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0
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0
29
0
30
0
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0
32
0
33
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
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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
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...

result:

ok #experiments: 1410

Test #45:

score: 21
Accepted
time: 148ms
memory: 4712kb

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
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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
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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
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0
41
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
47
0
48
0
49
0
50
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
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250
...

result:

ok #experiments: 1733

Test #46:

score: 0
Wrong Answer
time: 176ms
memory: 5024kb

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
12
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
34
0
35
0
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0
37
0
38
0
39
0
40
0
41
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
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250
250
250
...

result:

wrong answer Vertices 4 and 22 do not have the same color, but they do in returned answer

Subtask #5:

score: 0
Skipped

Dependency #1:

100%
Accepted

Dependency #2:

0%
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服务器时间: 2025-01-20 23:58:37 | 开源项目