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ID题目提交者结果用时内存语言文件大小提交时间测评时间
#574738#9310. Permutation Counting 4495684945WA 158ms3572kbC++201.5kb2024-09-19 00:11:472024-09-19 00:11:52

Judging History

你现在查看的是最新测评结果

  • [2024-09-19 00:11:52]
  • 评测
  • 测评结果:WA
  • 用时:158ms
  • 内存:3572kb
  • [2024-09-19 00:11:47]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;
#define int long long
#define inf 0x3f3f3f3f3f3f3f3f
typedef pair<int,int> PII;
void solve(){
    int n;
    cin>>n;
    priority_queue<PII,vector<PII>,greater<PII>> q;
    // 移除 set 的使用
    // set<PII> s;
    for(int i=1,x,y;i<=n;i++){
        cin>>x>>y;
        q.push({x,y});
        // s.insert({x,y});
    }
    // 移除重复检查
    // if(s.size()!=n){
    // 	cout<<0<<endl;
    // 	return ;
    // }
    vector<PII> ans;
    for(int i=1;i<=n;i++){
        int x, y=-1;
        if(q.empty()){
            cout<<0<<endl;
            return ;
        }
        while(!q.empty() && y < i){
            x = q.top().first;
            y = q.top().second;
            q.pop();
            if(x > i){
                cout<<0<<endl;
                return ;
            }
        }
        ans.emplace_back(i, y);
    }
    int p=1;
    for(int i=1;i<ans.size();i++){
        auto [x,y] = ans[i-1];
        auto [x2,y2] = ans[i];
        if(x2 > y+1 || x2 < y){
            cout<<0<<endl;
            return ;
        }
        if(!((p >=x && p <=y) && (p+1 >=x2 && p+1 <=y2))){
            cout<<0<<endl;
            return ;
        }
        if(y-x+1 >=3 || y2-x2+1 >=3){
            cout<<0<<endl;
            return ;
        }
        p++;
    }
    cout<<1<<endl;
}
signed main(){
    int t=1; ios::sync_with_stdio(false), cin.tie(0), cout.tie(0);
    cin>>t;
    while(t--) solve();
    return 0;
}

詳細信息

Test #1:

score: 100
Accepted
time: 1ms
memory: 3572kb

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: 158ms
memory: 3572kb

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:

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
...

result:

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