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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#571586#9310. Permutation Counting 4susanzhishenWA 84ms3612kbC++20895b2024-09-18 00:50:592024-09-18 00:51:00

Judging History

你现在查看的是最新测评结果

  • [2024-09-18 14:56:40]
  • hack成功,自动添加数据
  • (/hack/835)
  • [2024-09-18 14:41:06]
  • hack成功,自动添加数据
  • (/hack/831)
  • [2024-09-18 00:51:00]
  • 评测
  • 测评结果:WA
  • 用时:84ms
  • 内存:3612kb
  • [2024-09-18 00:50:59]
  • 提交

answer

#include<bits/stdc++.h>
#define int long long
#define double long double
#define x first
#define y second
using namespace std;
typedef long long LL;
typedef long long ll;
typedef pair<int,int> PII;
const int N=1e6+10;
const int M=1e3+10;
int mod=1e9+7;
int a[N];
int root[N];
int find(int x){
    if(root[x]==x) return x;
    return root[x]=find(root[x]);
} 
void solve(){
    int n;cin>>n;
    for(int i=1;i<=n;i++) root[i]=i;
    int f=0;
    for(int i=1;i<=n;i++){
        int l,r;cin>>l>>r;
        if(find(l)!=find(r+1)){
            root[find(l)]=find(r+1);
        }else{
            f++;
        }
    }
    if(f){
        cout<<0<<"\n";
        return ;
    }
    cout<<"1\n";
}

signed main(){
    ios::sync_with_stdio(false);
    cin.tie(nullptr),cout.tie(nullptr);
    int _;
    _=1;
    cin>>_;
    while(_--){
        solve();
    }
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 0ms
memory: 3600kb

input:

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

output:

0
1
0
0

result:

ok 4 tokens

Test #2:

score: -100
Wrong Answer
time: 84ms
memory: 3612kb

input:

66725
14
7 7
4 6
7 8
8 13
2 13
6 13
6 10
14 14
1 10
9 11
7 9
3 8
4 12
5 12
12
2 6
3 6
7 11
2 5
1 1
6 12
8 12
2 3
7 9
7 8
1 10
1 4
10
4 8
4 4
6 10
9 10
2 3
2 7
1 3
3 4
2 2
3 10
20
3 12
10 14
19 20
19 20
1 9
7 9
13 16
17 17
16 18
2 11
5 19
6 17
11 17
3 6
3 11
7 20
8 17
3 18
10 15
9 20
16
5 10
2 10
2 1...

output:

1
1
0
0
0
0
0
0
0
1
0
0
0
0
0
0
1
0
1
0
0
1
0
0
0
0
0
1
0
0
0
0
0
0
1
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
1
0
0
0
0
1
0
0
0
1
0
1
0
0
0
1
0
0
0
0
0
0
1
0
0
0
0
0
0
0
1
0
0
1
0
0
1
0
0
0
1
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
1
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
1
0
0
0
...

result:

wrong answer 5th words differ - expected: '1', found: '0'