QOJ.ac
QOJ
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 4 | 495684945 | WA | 158ms | 3572kb | C++20 | 1.5kb | 2024-09-19 00:11:47 | 2024-09-19 00:11:52 |
Judging History
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'