#include <bits/stdc++.h>
using namespace std;
signed main(){
ios::sync_with_stdio(0);
cin.tie(0);
int n,m,q;
cin >> n >> m >> q;
vector<array<int,2>>events[n+1];
for(int i = 0;i<m;i++){
int a,b;
cin >> a >> b;
events[a].push_back({a,b});
}
bool ans[2][n+5];
for(int a = 1;a<=1;a++){
int b=n;
int minima = a;
priority_queue<int,vector<int>,greater<int>>mins;
bool work = 1;
for(int i = a;i<=b;i++){
for(array<int,2>a:events[i]){
mins.push(a[1]);
}
if(mins.size())
minima=max(minima,mins.top());
if(mins.size()==0){
work=0;
}
if(minima==i&&work){
ans[a][i]=1;
}
else{
ans[a][i]=0;
}
while(mins.size()&&mins.top()==i){
mins.pop();
}
}
}
while(q--){
int a,b;
cin >> a >> b;
cout << (ans[a][b] ? "YES\n" : "NO\n");
}
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
504 KB |
Output is correct |
2 |
Incorrect |
1 ms |
336 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
504 KB |
Output is correct |
2 |
Incorrect |
1 ms |
336 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
504 KB |
Output is correct |
2 |
Incorrect |
1 ms |
336 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
336 KB |
Output is correct |
2 |
Correct |
1 ms |
504 KB |
Output is correct |
3 |
Correct |
1 ms |
336 KB |
Output is correct |
4 |
Correct |
1 ms |
336 KB |
Output is correct |
5 |
Correct |
2 ms |
592 KB |
Output is correct |
6 |
Correct |
2 ms |
340 KB |
Output is correct |
7 |
Correct |
1 ms |
760 KB |
Output is correct |
8 |
Correct |
56 ms |
5704 KB |
Output is correct |
9 |
Correct |
64 ms |
6896 KB |
Output is correct |
10 |
Correct |
175 ms |
16104 KB |
Output is correct |
11 |
Correct |
63 ms |
5960 KB |
Output is correct |
12 |
Correct |
45 ms |
7172 KB |
Output is correct |
13 |
Correct |
43 ms |
7172 KB |
Output is correct |
14 |
Correct |
37 ms |
7248 KB |
Output is correct |
15 |
Correct |
37 ms |
7260 KB |
Output is correct |
16 |
Correct |
36 ms |
7248 KB |
Output is correct |
17 |
Correct |
35 ms |
7248 KB |
Output is correct |
18 |
Correct |
279 ms |
35568 KB |
Output is correct |
19 |
Correct |
300 ms |
35824 KB |
Output is correct |
20 |
Correct |
289 ms |
36176 KB |
Output is correct |
21 |
Correct |
255 ms |
35912 KB |
Output is correct |
22 |
Correct |
283 ms |
35956 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
504 KB |
Output is correct |
2 |
Incorrect |
1 ms |
336 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
504 KB |
Output is correct |
2 |
Incorrect |
1 ms |
336 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |