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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#728381#9573. Social Mediaucup-team3282#WA 46ms10212kbC++142.0kb2024-11-09 15:04:092024-11-09 15:04:15

Judging History

你现在查看的是最新测评结果

  • [2024-11-09 15:04:15]
  • 评测
  • 测评结果:WA
  • 用时:46ms
  • 内存:10212kb
  • [2024-11-09 15:04:09]
  • 提交

answer

#include<iostream>
#include<cstring>
#include<algorithm>
#include<cstdio>
#include<vector>
using namespace std;
vector<int>link[200050];
int sum[800050];bool tb[200050];

void add(int p,int l,int r,int np,int op){
    if(l>np||r<np)return;
    if(l==r){
        sum[p]+=op;
        return;
    }int mid=(l+r)>>1;
    add(p<<1,l,mid,np,op);
    add(p<<1|1,mid+1,r,np,op);
    sum[p]=max(sum[p<<1],sum[p<<1|1]);
    return;
}

int main(){
    int t;cin>>t;while(t--){
        int n,m,k;cin>>n>>m>>k;
        for(int i=1;i<=k;i++)link[i].clear(),tb[i]=0;
        for(int i=1;i<=8*k;i++)sum[i]=0;
        // memset(sum,0,sizeof(sum));
        for(int i=1;i<=n;i++){
            int p;cin>>p;
            tb[p]=1;
        }
        int ans=0;
        int ot=0;
        for(int i=1;i<=m;i++){
            int f,t;cin>>f>>t;
            if(f==t){
                add(1,1,k,t,1);
                link[t].push_back(f);
                continue;
            }
            link[t].push_back(f);
            link[f].push_back(t);
            if(tb[f]&&tb[t])ans++;
            else{
                if(tb[f]){
                    add(1,1,k,t,1);
                }
                if(tb[t]){
                    add(1,1,k,f,1);
                }
            }

        }
        // cout<<ans<<"?";
        for(int i=1;i<=k;i++){
            int anser=0;
            if(tb[i])continue;
            add(1,1,k,i,-114514);
            for(auto x:link[i]){
                if(x==i||tb[x]){
                    anser++;
                    continue;
                }
                if(!tb[x]){
                    // anser++;
                    add(1,1,k,x,1);
                }
            }
            // cout<<sum[1]<<"/";
            anser+=sum[1];
            ot=max(ot,anser);
            for(auto x:link[i]){
                if(!tb[x]){
                    add(1,1,k,x,-1);
                }
            }
            add(1,1,k,i,+114514);
        }
        cout<<ans+ot<<endl;
    }

}

Details

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Test #1:

score: 100
Accepted
time: 0ms
memory: 10212kb

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: 46ms
memory: 8980kb

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

result:

wrong answer 8th numbers differ - expected: '11', found: '8'