QOJ.ac

QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#747244#9573. Social MediajiayanWA 12ms5684kbC++14951b2024-11-14 16:41:102024-11-14 16:41:11

Judging History

你现在查看的是最新测评结果

  • [2024-11-14 16:41:11]
  • 评测
  • 测评结果:WA
  • 用时:12ms
  • 内存:5684kb
  • [2024-11-14 16:41:10]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;
int flag[200010];
int cnt[200010];
struct edge{
	int x,y;
}e[200010];
int cnt1[200010];
int main(){
	ios::sync_with_stdio(false);
	int T;
	cin>>T;
	while(T--){
		map<pair<int,int>,int>mp;
		int n,m,k;
		cin>>n>>m>>k;
		int res=0;
		for(int i=1;i<=k;i++){
			cnt[i]=0;
			flag[i]=0;
		}
		int x,y;
		for(int i=0;i<n;i++){
			cin>>x;
			flag[x]=1;
		}
		for(int i=0;i<m;i++){
			cin>>x>>y;
			if(x>y) swap(x,y);
			e[i].x=x;
			e[i].y=y;
			if(flag[x]==1&&flag[y]==1) res++;
			else if(flag[x]==1){
				cnt[y]++;
			} 
			else if(flag[y]==1){
				cnt[x]++;
			} 
			else if(x==y) cnt[y]++;
			else{
				
				mp[make_pair(x,y)]++;
			}
		}
		for(int i=1;i<=k;i++){
			cnt1[i]=cnt[i];
		}
		sort(cnt1,cnt1+k+1);
		int ans=cnt1[k]+cnt1[k-1];
		for(int i=0;i<m;i++){
			ans=max(ans,cnt[e[i].x]+cnt[e[i].y]+mp[make_pair(x,y)]);
		}
		cout<<ans+res<<endl;
	}
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 1ms
memory: 5684kb

input:

5
4 12 7
5 7 3 6
3 6
2 2
1 4
2 4
1 3
7 6
4 1
5 4
1 1
1 1
2 1
3 7
2 7 6
2 4
1 2
3 2
2 5
5 4
2 6
4 6
2 6
1 1 2
1
1 2
2 1 2
1 2
1 2
2 1 100
24 11
11 24

output:

9
5
1
1
1

result:

ok 5 number(s): "9 5 1 1 1"

Test #2:

score: -100
Wrong Answer
time: 12ms
memory: 5628kb

input:

10000
19 12 20
8 12 1 5 11 7 17 13 19 6 3 9 10 15 14 20 4 18 16
4 11
7 1
8 4
16 19
1 13
15 2
16 2
8 7
3 15
11 13
5 20
18 14
17 14 20
2 9 1 12 8 11 10 17 18 16 3 15 5 14 20 13 7
15 10
3 2
5 16
7 8
6 1
6 4
18 16
1 8
4 1
20 6
6 9
4 15
7 5
14 9
1 3 18
9
15 18
17 15
11 14
7 19 7
3 1 2 5 6 4 7
5 1
4 5
3 1...

output:

12
13
1
19
7
4
1
11
19
4
2
10
7
2
4
19
15
3
18
4
17
5
1
2
5
17
3
2
6
15
6
3
6
4
4
7
3
7
4
1
19
15
2
5
6
12
12
7
6
8
8
7
8
11
16
1
5
9
8
14
2
6
19
19
16
7
20
14
8
12
7
9
6
8
3
17
9
4
5
3
6
5
20
8
12
11
9
5
2
7
3
1
8
5
8
11
7
14
10
9
9
11
7
9
5
2
9
14
10
5
3
5
5
10
2
6
10
16
5
4
19
1
3
8
7
10
5
2
1
15...

result:

wrong answer 2nd numbers differ - expected: '14', found: '13'