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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#777893#9525. Welcome to Join the Online Meeting!LblWA 1ms12092kbC++142.0kb2024-11-24 10:48:302024-11-24 10:48:31

Judging History

你现在查看的是最新测评结果

  • [2024-11-24 10:48:31]
  • 评测
  • 测评结果:WA
  • 用时:1ms
  • 内存:12092kb
  • [2024-11-24 10:48:30]
  • 提交

answer

#include<iostream>
#include<stdio.h>
#include<string.h>
using namespace std;	
int n,m,k;
int s,s0;
struct {
	int from,to,next;
	}a[200005];
	int b[200005]={0};
	int head[200005]={0};
int	v[200005]={0};//标记 
int v1[200005]={0};//标记 
int  v2[200005]={0};//
int v3[200005]={0};//标记 
struct {
	int from,to,next;
	}a1[200005];
	int head1[200005]={0};
	void dfs(int e){
		for(int j=head[e];j>0;j=a[j].next){
				int t=a[j].to;
				if(v[t]==0){
				a1[s].from=e;
				a1[s].to=t;
				a1[s].next=head1[e];
				head1[e]=s;	
					s++;
				//	printf("%d\n",t);
						v[t]=1;	
							v1[e]++;
					if(b[t]==0){
					if(v1[e]>=1&&v3[e]==0){
						v3[e]=1;
						s0++;
					}
						dfs(t);
					} 	
				}
		}
	}
int main(){
	scanf("%d %d %d",&n,&m,&k);
	int c;
	for(int i=1;i<=k;i++){
		scanf("%d",&c);
		b[c]=1;
	}
	int g,h;
	int f=1;
	for(int i=1;i<=m;i++){
		scanf("%d %d",&g,&h);
		if(b[i]==0){
			a[f].from=g;
			a[f].to=h;
			a[f].next=head[g];
			head[g]=f;
			f++;
		}
	 if(b[h]==0){
				a[f].from=h;
			a[f].to=g;
			a[f].next=head[h];
			head[h]=f;
			f++;
		}
	}
	int l=0;
		for(int i=1;i<=n;i++)
		{
			if(b[i]==0){
				v2[i]=1;
				v[i]=1;
				s=1;
					s0=1;
				dfs(i);
				if(s==n){
					l=1;
					break;
				}
				else{
					l=0;
					break;
				}
			}
		}
		if(l==1){
			printf("Yes\n");
					printf("%d\n",s0);
					for(int i=1;i<=n;i++){
			        if(b[i]==0){
			        	printf("%d %d ",i,v1[i]);
			        	for(int j=head1[i];j>0;j=a1[j].next){
			        		printf("%d ",a1[j].to);
						}
					}
					printf("\n");
					}
				/*	for(int i=1;i<=s0;i++){  
						printf("%d %d ",v3[i],v1[v3[i]]);
						for(int j=1;j<=v1[v3[i]];j++){
							printf("%d ",v2[i][j]);
						}
						printf("\n");
					}*/
		}
		if(l==0){
			printf("No\n");
		}
	return 0;
}
/*
9 13 2
3 4
1 2
1 3
1 4
1 5
2 5
2 6
2 7
3 8
3 9
4 7
4 5
5 8
5 9
Yes
4
1
3
2
7
4
6

5
9
8
4 5 2
3 4
1 2
1 3
2 3
3 4
2 4
Yes
2
1
3
2
4
*/

Details

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Test #1:

score: 100
Accepted
time: 0ms
memory: 12076kb

input:

4 5 2
3 4
1 2
1 3
2 3
3 4
2 4

output:

Yes
2
1 2 2 3 
2 1 4 



result:

ok ok

Test #2:

score: 0
Accepted
time: 1ms
memory: 12004kb

input:

4 5 3
2 4 3
1 2
1 3
2 3
3 4
2 4

output:

No

result:

ok ok

Test #3:

score: -100
Wrong Answer
time: 1ms
memory: 12092kb

input:

4 6 2
3 4
1 3
1 4
2 3
2 4
1 2
3 4

output:

Yes
2
1 3 3 4 2 
2 0 



result:

wrong answer Integer parameter [name=y_j] equals to 0, violates the range [1, 4]