#include <bits/stdc++.h>
using namespace std;
const int N = 2e6 + 7;
const int inf = 1e9 + 7;
struct SEGT{
int tree[N];
SEGT(){
for(int i = 0;i<N;i++) tree[i] = inf;
}
void update(int ind , int l , int r , int ql , int qr){
if(l >= ql and r <= qr){
tree[ind] = min(tree[ind] , qr);
return;
}
else if(l > qr or r < ql) return;
else{
int mid = (l+r)/2;
update(ind*2,l,mid,ql,qr);
update(ind*2+1,mid+1,r,ql,qr);
tree[ind] = min(tree[ind] , max(tree[ind*2] , tree[ind*2+1]));
}
}
bool query(int ind , int l , int r , int ql , int qr){
if(l >= ql and r <= qr) return tree[ind] <= qr;
else if(l > qr or r < ql) return 1;
else{
int mid = (l+r)/2;
return query(ind*2,l,mid,ql,qr) and query(ind*2+1,mid+1,r,ql,qr);
}
}
} segt;
void solve(){
int n,m,q;
cin >> n >> m >> q;
vector < int > ran[n+1];
vector < pair < int , int > > query[n+1];
for(int i = 0;i<m;i++){
int x,y;
cin >> x >> y;
ran[x].push_back(y);
}
for(int i = 0;i<q;i++){
int x,y;
cin >> x >> y;
query[x].push_back({y,i});
}
int ans[q];
for(int i = n;i>0;i--){
for(auto itr : ran[i]) segt.update(1,1,n,i,itr);
for(auto itr : query[i]) ans[itr.second] = segt.query(1,1,n,i,itr.first);
}
for(int i = 0;i<q;i++) cout << (ans[i] ? "YES\n" : "NO\n");
}
signed main(){
ios_base::sync_with_stdio(0);cin.tie(0);
solve();
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
8036 KB |
Output is correct |
2 |
Correct |
2 ms |
8284 KB |
Output is correct |
3 |
Correct |
2 ms |
8284 KB |
Output is correct |
4 |
Correct |
2 ms |
8292 KB |
Output is correct |
5 |
Correct |
2 ms |
8284 KB |
Output is correct |
6 |
Correct |
2 ms |
8096 KB |
Output is correct |
7 |
Correct |
3 ms |
8280 KB |
Output is correct |
8 |
Correct |
2 ms |
8280 KB |
Output is correct |
9 |
Correct |
2 ms |
8284 KB |
Output is correct |
10 |
Correct |
2 ms |
8280 KB |
Output is correct |
11 |
Correct |
2 ms |
8284 KB |
Output is correct |
12 |
Correct |
2 ms |
8284 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
8036 KB |
Output is correct |
2 |
Correct |
2 ms |
8284 KB |
Output is correct |
3 |
Correct |
2 ms |
8284 KB |
Output is correct |
4 |
Correct |
2 ms |
8292 KB |
Output is correct |
5 |
Correct |
2 ms |
8284 KB |
Output is correct |
6 |
Correct |
2 ms |
8096 KB |
Output is correct |
7 |
Correct |
3 ms |
8280 KB |
Output is correct |
8 |
Correct |
2 ms |
8280 KB |
Output is correct |
9 |
Correct |
2 ms |
8284 KB |
Output is correct |
10 |
Correct |
2 ms |
8280 KB |
Output is correct |
11 |
Correct |
2 ms |
8284 KB |
Output is correct |
12 |
Correct |
2 ms |
8284 KB |
Output is correct |
13 |
Correct |
4 ms |
8284 KB |
Output is correct |
14 |
Correct |
3 ms |
8284 KB |
Output is correct |
15 |
Correct |
3 ms |
8280 KB |
Output is correct |
16 |
Correct |
4 ms |
8280 KB |
Output is correct |
17 |
Correct |
3 ms |
8280 KB |
Output is correct |
18 |
Correct |
3 ms |
8284 KB |
Output is correct |
19 |
Correct |
3 ms |
8284 KB |
Output is correct |
20 |
Correct |
3 ms |
8284 KB |
Output is correct |
21 |
Correct |
3 ms |
8284 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
8036 KB |
Output is correct |
2 |
Correct |
2 ms |
8284 KB |
Output is correct |
3 |
Correct |
2 ms |
8284 KB |
Output is correct |
4 |
Correct |
2 ms |
8292 KB |
Output is correct |
5 |
Correct |
2 ms |
8284 KB |
Output is correct |
6 |
Correct |
2 ms |
8096 KB |
Output is correct |
7 |
Correct |
3 ms |
8280 KB |
Output is correct |
8 |
Correct |
2 ms |
8280 KB |
Output is correct |
9 |
Correct |
2 ms |
8284 KB |
Output is correct |
10 |
Correct |
2 ms |
8280 KB |
Output is correct |
11 |
Correct |
2 ms |
8284 KB |
Output is correct |
12 |
Correct |
2 ms |
8284 KB |
Output is correct |
13 |
Correct |
4 ms |
8284 KB |
Output is correct |
14 |
Correct |
3 ms |
8284 KB |
Output is correct |
15 |
Correct |
3 ms |
8280 KB |
Output is correct |
16 |
Correct |
4 ms |
8280 KB |
Output is correct |
17 |
Correct |
3 ms |
8280 KB |
Output is correct |
18 |
Correct |
3 ms |
8284 KB |
Output is correct |
19 |
Correct |
3 ms |
8284 KB |
Output is correct |
20 |
Correct |
3 ms |
8284 KB |
Output is correct |
21 |
Correct |
3 ms |
8284 KB |
Output is correct |
22 |
Correct |
98 ms |
21544 KB |
Output is correct |
23 |
Correct |
140 ms |
22100 KB |
Output is correct |
24 |
Correct |
170 ms |
23376 KB |
Output is correct |
25 |
Correct |
244 ms |
28204 KB |
Output is correct |
26 |
Correct |
126 ms |
21896 KB |
Output is correct |
27 |
Correct |
238 ms |
28128 KB |
Output is correct |
28 |
Correct |
248 ms |
28184 KB |
Output is correct |
29 |
Correct |
97 ms |
21844 KB |
Output is correct |
30 |
Correct |
100 ms |
19120 KB |
Output is correct |
31 |
Correct |
110 ms |
19740 KB |
Output is correct |
32 |
Correct |
214 ms |
25528 KB |
Output is correct |
33 |
Correct |
101 ms |
19128 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
8024 KB |
Output is correct |
2 |
Correct |
2 ms |
8284 KB |
Output is correct |
3 |
Correct |
2 ms |
8284 KB |
Output is correct |
4 |
Correct |
2 ms |
8284 KB |
Output is correct |
5 |
Correct |
3 ms |
8484 KB |
Output is correct |
6 |
Correct |
3 ms |
8284 KB |
Output is correct |
7 |
Correct |
3 ms |
8284 KB |
Output is correct |
8 |
Correct |
101 ms |
19256 KB |
Output is correct |
9 |
Correct |
110 ms |
19608 KB |
Output is correct |
10 |
Correct |
218 ms |
25528 KB |
Output is correct |
11 |
Correct |
101 ms |
19084 KB |
Output is correct |
12 |
Correct |
70 ms |
18120 KB |
Output is correct |
13 |
Correct |
67 ms |
18120 KB |
Output is correct |
14 |
Correct |
48 ms |
18144 KB |
Output is correct |
15 |
Correct |
52 ms |
18120 KB |
Output is correct |
16 |
Correct |
56 ms |
18236 KB |
Output is correct |
17 |
Correct |
49 ms |
18196 KB |
Output is correct |
18 |
Correct |
408 ms |
56768 KB |
Output is correct |
19 |
Correct |
439 ms |
57020 KB |
Output is correct |
20 |
Correct |
308 ms |
57540 KB |
Output is correct |
21 |
Correct |
304 ms |
57528 KB |
Output is correct |
22 |
Correct |
306 ms |
57276 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
8036 KB |
Output is correct |
2 |
Correct |
2 ms |
8284 KB |
Output is correct |
3 |
Correct |
2 ms |
8284 KB |
Output is correct |
4 |
Correct |
2 ms |
8292 KB |
Output is correct |
5 |
Correct |
2 ms |
8284 KB |
Output is correct |
6 |
Correct |
2 ms |
8096 KB |
Output is correct |
7 |
Correct |
3 ms |
8280 KB |
Output is correct |
8 |
Correct |
2 ms |
8280 KB |
Output is correct |
9 |
Correct |
2 ms |
8284 KB |
Output is correct |
10 |
Correct |
2 ms |
8280 KB |
Output is correct |
11 |
Correct |
2 ms |
8284 KB |
Output is correct |
12 |
Correct |
2 ms |
8284 KB |
Output is correct |
13 |
Correct |
4 ms |
8284 KB |
Output is correct |
14 |
Correct |
3 ms |
8284 KB |
Output is correct |
15 |
Correct |
3 ms |
8280 KB |
Output is correct |
16 |
Correct |
4 ms |
8280 KB |
Output is correct |
17 |
Correct |
3 ms |
8280 KB |
Output is correct |
18 |
Correct |
3 ms |
8284 KB |
Output is correct |
19 |
Correct |
3 ms |
8284 KB |
Output is correct |
20 |
Correct |
3 ms |
8284 KB |
Output is correct |
21 |
Correct |
3 ms |
8284 KB |
Output is correct |
22 |
Correct |
64 ms |
13400 KB |
Output is correct |
23 |
Correct |
64 ms |
13400 KB |
Output is correct |
24 |
Correct |
83 ms |
19536 KB |
Output is correct |
25 |
Correct |
88 ms |
19620 KB |
Output is correct |
26 |
Correct |
81 ms |
21084 KB |
Output is correct |
27 |
Correct |
85 ms |
21072 KB |
Output is correct |
28 |
Correct |
56 ms |
18952 KB |
Output is correct |
29 |
Correct |
61 ms |
20740 KB |
Output is correct |
30 |
Correct |
81 ms |
19692 KB |
Output is correct |
31 |
Correct |
82 ms |
19696 KB |
Output is correct |
32 |
Correct |
86 ms |
20048 KB |
Output is correct |
33 |
Correct |
80 ms |
20220 KB |
Output is correct |
34 |
Correct |
76 ms |
19280 KB |
Output is correct |
35 |
Correct |
78 ms |
19284 KB |
Output is correct |
36 |
Correct |
73 ms |
19608 KB |
Output is correct |
37 |
Correct |
80 ms |
18116 KB |
Output is correct |
38 |
Correct |
67 ms |
18116 KB |
Output is correct |
39 |
Correct |
48 ms |
18380 KB |
Output is correct |
40 |
Correct |
48 ms |
18376 KB |
Output is correct |
41 |
Correct |
47 ms |
18384 KB |
Output is correct |
42 |
Correct |
64 ms |
18500 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
8036 KB |
Output is correct |
2 |
Correct |
2 ms |
8284 KB |
Output is correct |
3 |
Correct |
2 ms |
8284 KB |
Output is correct |
4 |
Correct |
2 ms |
8292 KB |
Output is correct |
5 |
Correct |
2 ms |
8284 KB |
Output is correct |
6 |
Correct |
2 ms |
8096 KB |
Output is correct |
7 |
Correct |
3 ms |
8280 KB |
Output is correct |
8 |
Correct |
2 ms |
8280 KB |
Output is correct |
9 |
Correct |
2 ms |
8284 KB |
Output is correct |
10 |
Correct |
2 ms |
8280 KB |
Output is correct |
11 |
Correct |
2 ms |
8284 KB |
Output is correct |
12 |
Correct |
2 ms |
8284 KB |
Output is correct |
13 |
Correct |
4 ms |
8284 KB |
Output is correct |
14 |
Correct |
3 ms |
8284 KB |
Output is correct |
15 |
Correct |
3 ms |
8280 KB |
Output is correct |
16 |
Correct |
4 ms |
8280 KB |
Output is correct |
17 |
Correct |
3 ms |
8280 KB |
Output is correct |
18 |
Correct |
3 ms |
8284 KB |
Output is correct |
19 |
Correct |
3 ms |
8284 KB |
Output is correct |
20 |
Correct |
3 ms |
8284 KB |
Output is correct |
21 |
Correct |
3 ms |
8284 KB |
Output is correct |
22 |
Correct |
98 ms |
21544 KB |
Output is correct |
23 |
Correct |
140 ms |
22100 KB |
Output is correct |
24 |
Correct |
170 ms |
23376 KB |
Output is correct |
25 |
Correct |
244 ms |
28204 KB |
Output is correct |
26 |
Correct |
126 ms |
21896 KB |
Output is correct |
27 |
Correct |
238 ms |
28128 KB |
Output is correct |
28 |
Correct |
248 ms |
28184 KB |
Output is correct |
29 |
Correct |
97 ms |
21844 KB |
Output is correct |
30 |
Correct |
100 ms |
19120 KB |
Output is correct |
31 |
Correct |
110 ms |
19740 KB |
Output is correct |
32 |
Correct |
214 ms |
25528 KB |
Output is correct |
33 |
Correct |
101 ms |
19128 KB |
Output is correct |
34 |
Correct |
2 ms |
8024 KB |
Output is correct |
35 |
Correct |
2 ms |
8284 KB |
Output is correct |
36 |
Correct |
2 ms |
8284 KB |
Output is correct |
37 |
Correct |
2 ms |
8284 KB |
Output is correct |
38 |
Correct |
3 ms |
8484 KB |
Output is correct |
39 |
Correct |
3 ms |
8284 KB |
Output is correct |
40 |
Correct |
3 ms |
8284 KB |
Output is correct |
41 |
Correct |
101 ms |
19256 KB |
Output is correct |
42 |
Correct |
110 ms |
19608 KB |
Output is correct |
43 |
Correct |
218 ms |
25528 KB |
Output is correct |
44 |
Correct |
101 ms |
19084 KB |
Output is correct |
45 |
Correct |
70 ms |
18120 KB |
Output is correct |
46 |
Correct |
67 ms |
18120 KB |
Output is correct |
47 |
Correct |
48 ms |
18144 KB |
Output is correct |
48 |
Correct |
52 ms |
18120 KB |
Output is correct |
49 |
Correct |
56 ms |
18236 KB |
Output is correct |
50 |
Correct |
49 ms |
18196 KB |
Output is correct |
51 |
Correct |
408 ms |
56768 KB |
Output is correct |
52 |
Correct |
439 ms |
57020 KB |
Output is correct |
53 |
Correct |
308 ms |
57540 KB |
Output is correct |
54 |
Correct |
304 ms |
57528 KB |
Output is correct |
55 |
Correct |
306 ms |
57276 KB |
Output is correct |
56 |
Correct |
64 ms |
13400 KB |
Output is correct |
57 |
Correct |
64 ms |
13400 KB |
Output is correct |
58 |
Correct |
83 ms |
19536 KB |
Output is correct |
59 |
Correct |
88 ms |
19620 KB |
Output is correct |
60 |
Correct |
81 ms |
21084 KB |
Output is correct |
61 |
Correct |
85 ms |
21072 KB |
Output is correct |
62 |
Correct |
56 ms |
18952 KB |
Output is correct |
63 |
Correct |
61 ms |
20740 KB |
Output is correct |
64 |
Correct |
81 ms |
19692 KB |
Output is correct |
65 |
Correct |
82 ms |
19696 KB |
Output is correct |
66 |
Correct |
86 ms |
20048 KB |
Output is correct |
67 |
Correct |
80 ms |
20220 KB |
Output is correct |
68 |
Correct |
76 ms |
19280 KB |
Output is correct |
69 |
Correct |
78 ms |
19284 KB |
Output is correct |
70 |
Correct |
73 ms |
19608 KB |
Output is correct |
71 |
Correct |
80 ms |
18116 KB |
Output is correct |
72 |
Correct |
67 ms |
18116 KB |
Output is correct |
73 |
Correct |
48 ms |
18380 KB |
Output is correct |
74 |
Correct |
48 ms |
18376 KB |
Output is correct |
75 |
Correct |
47 ms |
18384 KB |
Output is correct |
76 |
Correct |
64 ms |
18500 KB |
Output is correct |
77 |
Correct |
586 ms |
67400 KB |
Output is correct |
78 |
Correct |
581 ms |
67412 KB |
Output is correct |
79 |
Correct |
584 ms |
75236 KB |
Output is correct |
80 |
Correct |
593 ms |
75280 KB |
Output is correct |
81 |
Correct |
545 ms |
72692 KB |
Output is correct |
82 |
Correct |
478 ms |
74144 KB |
Output is correct |
83 |
Correct |
579 ms |
67444 KB |
Output is correct |
84 |
Correct |
589 ms |
67400 KB |
Output is correct |
85 |
Correct |
572 ms |
68432 KB |
Output is correct |
86 |
Correct |
464 ms |
63828 KB |
Output is correct |
87 |
Correct |
496 ms |
63448 KB |
Output is correct |
88 |
Correct |
528 ms |
71752 KB |
Output is correct |