#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using pii = pair<int, int>;
#define pb push_back
#define ff first
#define ss second
struct ST{
vector<int> a;
int n;
ST(int ns){
n = ns;
a.resize(n + 1);
}
void chmax(int l, int r, int x){
for (int i = l; i <= r; i++){
a[i] = max(a[i], x);
}
}
int get(int l, int r){
int mn = n + 1;
for (int i = l; i <= r; i++){
mn = min(mn, a[i]);
}
return mn;
}
};
int main(){
ios_base::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
int n, m, q; cin>>n>>m>>q;
vector<int> st[n + 1];
while (m--){
int l, r; cin>>l>>r;
st[r].pb(l);
}
vector<pii> qs[n + 1];
for (int i = 1; i <= q; i++){
int l, r; cin>>l>>r;
qs[r].pb({l, i});
}
vector<int> out(q + 1);
ST T(n);
for (int r = 1; r <= n; r++){
for (int l: st[r]){
T.chmax(l, r, l);
}
for (auto [l, i]: qs[r]){
out[i] = (T.get(l, r) >= l);
}
}
for (int i = 1; i <= q; i++){
cout<<(out[i] ? "YES" : "NO")<<"\n";
}
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
360 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
456 KB |
Output is correct |
4 |
Correct |
1 ms |
348 KB |
Output is correct |
5 |
Correct |
1 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
1 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
0 ms |
348 KB |
Output is correct |
12 |
Correct |
0 ms |
348 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
360 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
456 KB |
Output is correct |
4 |
Correct |
1 ms |
348 KB |
Output is correct |
5 |
Correct |
1 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
1 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
0 ms |
348 KB |
Output is correct |
12 |
Correct |
0 ms |
348 KB |
Output is correct |
13 |
Correct |
3 ms |
604 KB |
Output is correct |
14 |
Correct |
3 ms |
672 KB |
Output is correct |
15 |
Correct |
3 ms |
604 KB |
Output is correct |
16 |
Correct |
3 ms |
464 KB |
Output is correct |
17 |
Correct |
3 ms |
564 KB |
Output is correct |
18 |
Correct |
2 ms |
604 KB |
Output is correct |
19 |
Correct |
2 ms |
600 KB |
Output is correct |
20 |
Correct |
1 ms |
604 KB |
Output is correct |
21 |
Correct |
1 ms |
604 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
360 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
456 KB |
Output is correct |
4 |
Correct |
1 ms |
348 KB |
Output is correct |
5 |
Correct |
1 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
1 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
0 ms |
348 KB |
Output is correct |
12 |
Correct |
0 ms |
348 KB |
Output is correct |
13 |
Correct |
3 ms |
604 KB |
Output is correct |
14 |
Correct |
3 ms |
672 KB |
Output is correct |
15 |
Correct |
3 ms |
604 KB |
Output is correct |
16 |
Correct |
3 ms |
464 KB |
Output is correct |
17 |
Correct |
3 ms |
564 KB |
Output is correct |
18 |
Correct |
2 ms |
604 KB |
Output is correct |
19 |
Correct |
2 ms |
600 KB |
Output is correct |
20 |
Correct |
1 ms |
604 KB |
Output is correct |
21 |
Correct |
1 ms |
604 KB |
Output is correct |
22 |
Correct |
302 ms |
14524 KB |
Output is correct |
23 |
Correct |
300 ms |
14928 KB |
Output is correct |
24 |
Correct |
348 ms |
16468 KB |
Output is correct |
25 |
Correct |
552 ms |
22136 KB |
Output is correct |
26 |
Correct |
295 ms |
14720 KB |
Output is correct |
27 |
Correct |
560 ms |
22096 KB |
Output is correct |
28 |
Correct |
552 ms |
22100 KB |
Output is correct |
29 |
Correct |
256 ms |
13652 KB |
Output is correct |
30 |
Correct |
401 ms |
13852 KB |
Output is correct |
31 |
Correct |
422 ms |
14716 KB |
Output is correct |
32 |
Correct |
673 ms |
21316 KB |
Output is correct |
33 |
Correct |
391 ms |
13860 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
372 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
3 ms |
692 KB |
Output is correct |
6 |
Correct |
2 ms |
604 KB |
Output is correct |
7 |
Correct |
2 ms |
604 KB |
Output is correct |
8 |
Correct |
402 ms |
13888 KB |
Output is correct |
9 |
Correct |
431 ms |
14556 KB |
Output is correct |
10 |
Correct |
689 ms |
21200 KB |
Output is correct |
11 |
Correct |
396 ms |
13904 KB |
Output is correct |
12 |
Execution timed out |
1551 ms |
12584 KB |
Time limit exceeded |
13 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
360 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
456 KB |
Output is correct |
4 |
Correct |
1 ms |
348 KB |
Output is correct |
5 |
Correct |
1 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
1 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
0 ms |
348 KB |
Output is correct |
12 |
Correct |
0 ms |
348 KB |
Output is correct |
13 |
Correct |
3 ms |
604 KB |
Output is correct |
14 |
Correct |
3 ms |
672 KB |
Output is correct |
15 |
Correct |
3 ms |
604 KB |
Output is correct |
16 |
Correct |
3 ms |
464 KB |
Output is correct |
17 |
Correct |
3 ms |
564 KB |
Output is correct |
18 |
Correct |
2 ms |
604 KB |
Output is correct |
19 |
Correct |
2 ms |
600 KB |
Output is correct |
20 |
Correct |
1 ms |
604 KB |
Output is correct |
21 |
Correct |
1 ms |
604 KB |
Output is correct |
22 |
Correct |
479 ms |
5712 KB |
Output is correct |
23 |
Correct |
468 ms |
5716 KB |
Output is correct |
24 |
Execution timed out |
1549 ms |
11860 KB |
Time limit exceeded |
25 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
360 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
456 KB |
Output is correct |
4 |
Correct |
1 ms |
348 KB |
Output is correct |
5 |
Correct |
1 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
1 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
0 ms |
348 KB |
Output is correct |
12 |
Correct |
0 ms |
348 KB |
Output is correct |
13 |
Correct |
3 ms |
604 KB |
Output is correct |
14 |
Correct |
3 ms |
672 KB |
Output is correct |
15 |
Correct |
3 ms |
604 KB |
Output is correct |
16 |
Correct |
3 ms |
464 KB |
Output is correct |
17 |
Correct |
3 ms |
564 KB |
Output is correct |
18 |
Correct |
2 ms |
604 KB |
Output is correct |
19 |
Correct |
2 ms |
600 KB |
Output is correct |
20 |
Correct |
1 ms |
604 KB |
Output is correct |
21 |
Correct |
1 ms |
604 KB |
Output is correct |
22 |
Correct |
302 ms |
14524 KB |
Output is correct |
23 |
Correct |
300 ms |
14928 KB |
Output is correct |
24 |
Correct |
348 ms |
16468 KB |
Output is correct |
25 |
Correct |
552 ms |
22136 KB |
Output is correct |
26 |
Correct |
295 ms |
14720 KB |
Output is correct |
27 |
Correct |
560 ms |
22096 KB |
Output is correct |
28 |
Correct |
552 ms |
22100 KB |
Output is correct |
29 |
Correct |
256 ms |
13652 KB |
Output is correct |
30 |
Correct |
401 ms |
13852 KB |
Output is correct |
31 |
Correct |
422 ms |
14716 KB |
Output is correct |
32 |
Correct |
673 ms |
21316 KB |
Output is correct |
33 |
Correct |
391 ms |
13860 KB |
Output is correct |
34 |
Correct |
0 ms |
348 KB |
Output is correct |
35 |
Correct |
0 ms |
348 KB |
Output is correct |
36 |
Correct |
0 ms |
372 KB |
Output is correct |
37 |
Correct |
0 ms |
348 KB |
Output is correct |
38 |
Correct |
3 ms |
692 KB |
Output is correct |
39 |
Correct |
2 ms |
604 KB |
Output is correct |
40 |
Correct |
2 ms |
604 KB |
Output is correct |
41 |
Correct |
402 ms |
13888 KB |
Output is correct |
42 |
Correct |
431 ms |
14556 KB |
Output is correct |
43 |
Correct |
689 ms |
21200 KB |
Output is correct |
44 |
Correct |
396 ms |
13904 KB |
Output is correct |
45 |
Execution timed out |
1551 ms |
12584 KB |
Time limit exceeded |
46 |
Halted |
0 ms |
0 KB |
- |