#include<bits/stdc++.h>
#define ll long long
#define pii pair<int,int>
#define pll pair<ll,ll>
#define plx pair<ll,int>
#define f first
#define s second
#define pb push_back
#define all(x) x.begin(),x.end()
#define vi vector<int>
#define vl vector<ll>
#define vvi vector<vi>
using namespace std;
const int mxn=5e5+5;
vector<int>upd[mxn];
vector<pii>qr[mxn];
int t[4*mxn],lz[4*mxn]{0};
void build(int i,int l,int r){
lz[i]=1e9;
if(l==r)return void(t[i]=1e9);
int m=(l+r)>>1;build(2*i,l,m);build(2*i+1,m+1,r);
t[i]=max(t[2*i],t[2*i+1]);
}
void push(int i,int l,int r){
t[i]=min(t[i],lz[i]);
if(l<r)lz[2*i]=min(lz[2*i],lz[i]),lz[2*i+1]=min(lz[2*i+1],lz[i]);
lz[i]=1e9;
}
void update(int i,int l,int r,int tl,int tr,int v){
push(i,l,r);
if(r<tl||l>tr)return;
if(r<=tr&&l>=tl){
lz[i]=min(lz[i],v);push(i,l,r);return;
}int m=(l+r)>>1;update(2*i,l,m,tl,tr,v);update(2*i+1,m+1,r,tl,tr,v);
t[i]=max(t[2*i],t[2*i+1]);
}
int query(int i,int l,int r,int tl,int tr){
push(i,l,r);
if(r<tl||l>tr)return 0;
if(r<=tr&&l>=tl)return t[i];
int m=(l+r)>>1;
return max(query(2*i,l,m,tl,tr),query(2*i+1,m+1,r,tl,tr));
}
int main(){
ios_base::sync_with_stdio(0);cin.tie(0);
int n,m,q;cin>>n>>m>>q;
for(int i=1;i<=m;i++){
int l,r;cin>>l>>r;
upd[l].pb(r);
}
for(int i=1;i<=q;i++){
int l,r;cin>>l>>r;
qr[l].pb({r,i});
}build(1,1,n);int ans[q+1]={0};
for(int i=n;i>=1;i--){
for(auto it : upd[i])update(1,1,n,i,it,it);
for(auto it : qr[i])ans[it.s]=(query(1,1,n,i,it.f)<=it.f);
}
for(int i=1;i<=q;i++)cout<<(ans[i]?"YES\n":"NO\n");
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
26960 KB |
Output is correct |
2 |
Correct |
5 ms |
26960 KB |
Output is correct |
3 |
Correct |
5 ms |
26960 KB |
Output is correct |
4 |
Correct |
5 ms |
26960 KB |
Output is correct |
5 |
Correct |
6 ms |
26960 KB |
Output is correct |
6 |
Correct |
6 ms |
26960 KB |
Output is correct |
7 |
Correct |
6 ms |
26960 KB |
Output is correct |
8 |
Correct |
6 ms |
27124 KB |
Output is correct |
9 |
Correct |
6 ms |
26960 KB |
Output is correct |
10 |
Correct |
6 ms |
27128 KB |
Output is correct |
11 |
Correct |
5 ms |
26960 KB |
Output is correct |
12 |
Correct |
6 ms |
26960 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
26960 KB |
Output is correct |
2 |
Correct |
5 ms |
26960 KB |
Output is correct |
3 |
Correct |
5 ms |
26960 KB |
Output is correct |
4 |
Correct |
5 ms |
26960 KB |
Output is correct |
5 |
Correct |
6 ms |
26960 KB |
Output is correct |
6 |
Correct |
6 ms |
26960 KB |
Output is correct |
7 |
Correct |
6 ms |
26960 KB |
Output is correct |
8 |
Correct |
6 ms |
27124 KB |
Output is correct |
9 |
Correct |
6 ms |
26960 KB |
Output is correct |
10 |
Correct |
6 ms |
27128 KB |
Output is correct |
11 |
Correct |
5 ms |
26960 KB |
Output is correct |
12 |
Correct |
6 ms |
26960 KB |
Output is correct |
13 |
Correct |
7 ms |
27216 KB |
Output is correct |
14 |
Correct |
7 ms |
27384 KB |
Output is correct |
15 |
Correct |
8 ms |
27216 KB |
Output is correct |
16 |
Correct |
7 ms |
27216 KB |
Output is correct |
17 |
Correct |
7 ms |
27020 KB |
Output is correct |
18 |
Correct |
7 ms |
27120 KB |
Output is correct |
19 |
Correct |
7 ms |
27384 KB |
Output is correct |
20 |
Correct |
8 ms |
27216 KB |
Output is correct |
21 |
Correct |
7 ms |
27216 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
26960 KB |
Output is correct |
2 |
Correct |
5 ms |
26960 KB |
Output is correct |
3 |
Correct |
5 ms |
26960 KB |
Output is correct |
4 |
Correct |
5 ms |
26960 KB |
Output is correct |
5 |
Correct |
6 ms |
26960 KB |
Output is correct |
6 |
Correct |
6 ms |
26960 KB |
Output is correct |
7 |
Correct |
6 ms |
26960 KB |
Output is correct |
8 |
Correct |
6 ms |
27124 KB |
Output is correct |
9 |
Correct |
6 ms |
26960 KB |
Output is correct |
10 |
Correct |
6 ms |
27128 KB |
Output is correct |
11 |
Correct |
5 ms |
26960 KB |
Output is correct |
12 |
Correct |
6 ms |
26960 KB |
Output is correct |
13 |
Correct |
7 ms |
27216 KB |
Output is correct |
14 |
Correct |
7 ms |
27384 KB |
Output is correct |
15 |
Correct |
8 ms |
27216 KB |
Output is correct |
16 |
Correct |
7 ms |
27216 KB |
Output is correct |
17 |
Correct |
7 ms |
27020 KB |
Output is correct |
18 |
Correct |
7 ms |
27120 KB |
Output is correct |
19 |
Correct |
7 ms |
27384 KB |
Output is correct |
20 |
Correct |
8 ms |
27216 KB |
Output is correct |
21 |
Correct |
7 ms |
27216 KB |
Output is correct |
22 |
Correct |
183 ms |
41032 KB |
Output is correct |
23 |
Correct |
185 ms |
41544 KB |
Output is correct |
24 |
Correct |
235 ms |
43084 KB |
Output is correct |
25 |
Correct |
379 ms |
48712 KB |
Output is correct |
26 |
Correct |
183 ms |
41288 KB |
Output is correct |
27 |
Correct |
355 ms |
48712 KB |
Output is correct |
28 |
Correct |
390 ms |
48712 KB |
Output is correct |
29 |
Correct |
181 ms |
41288 KB |
Output is correct |
30 |
Correct |
128 ms |
38320 KB |
Output is correct |
31 |
Correct |
144 ms |
39100 KB |
Output is correct |
32 |
Correct |
306 ms |
45916 KB |
Output is correct |
33 |
Correct |
133 ms |
38576 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
6 ms |
26960 KB |
Output is correct |
2 |
Correct |
5 ms |
26960 KB |
Output is correct |
3 |
Correct |
6 ms |
27128 KB |
Output is correct |
4 |
Correct |
6 ms |
26960 KB |
Output is correct |
5 |
Correct |
11 ms |
27216 KB |
Output is correct |
6 |
Correct |
6 ms |
27172 KB |
Output is correct |
7 |
Correct |
7 ms |
27216 KB |
Output is correct |
8 |
Correct |
126 ms |
38364 KB |
Output is correct |
9 |
Correct |
151 ms |
39096 KB |
Output is correct |
10 |
Correct |
297 ms |
46004 KB |
Output is correct |
11 |
Correct |
131 ms |
38464 KB |
Output is correct |
12 |
Correct |
104 ms |
36540 KB |
Output is correct |
13 |
Correct |
100 ms |
36540 KB |
Output is correct |
14 |
Correct |
81 ms |
36804 KB |
Output is correct |
15 |
Correct |
80 ms |
36640 KB |
Output is correct |
16 |
Correct |
81 ms |
36820 KB |
Output is correct |
17 |
Correct |
88 ms |
36796 KB |
Output is correct |
18 |
Correct |
552 ms |
63124 KB |
Output is correct |
19 |
Correct |
571 ms |
63156 KB |
Output is correct |
20 |
Correct |
498 ms |
63968 KB |
Output is correct |
21 |
Correct |
458 ms |
63748 KB |
Output is correct |
22 |
Correct |
459 ms |
63672 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
26960 KB |
Output is correct |
2 |
Correct |
5 ms |
26960 KB |
Output is correct |
3 |
Correct |
5 ms |
26960 KB |
Output is correct |
4 |
Correct |
5 ms |
26960 KB |
Output is correct |
5 |
Correct |
6 ms |
26960 KB |
Output is correct |
6 |
Correct |
6 ms |
26960 KB |
Output is correct |
7 |
Correct |
6 ms |
26960 KB |
Output is correct |
8 |
Correct |
6 ms |
27124 KB |
Output is correct |
9 |
Correct |
6 ms |
26960 KB |
Output is correct |
10 |
Correct |
6 ms |
27128 KB |
Output is correct |
11 |
Correct |
5 ms |
26960 KB |
Output is correct |
12 |
Correct |
6 ms |
26960 KB |
Output is correct |
13 |
Correct |
7 ms |
27216 KB |
Output is correct |
14 |
Correct |
7 ms |
27384 KB |
Output is correct |
15 |
Correct |
8 ms |
27216 KB |
Output is correct |
16 |
Correct |
7 ms |
27216 KB |
Output is correct |
17 |
Correct |
7 ms |
27020 KB |
Output is correct |
18 |
Correct |
7 ms |
27120 KB |
Output is correct |
19 |
Correct |
7 ms |
27384 KB |
Output is correct |
20 |
Correct |
8 ms |
27216 KB |
Output is correct |
21 |
Correct |
7 ms |
27216 KB |
Output is correct |
22 |
Correct |
95 ms |
32072 KB |
Output is correct |
23 |
Correct |
96 ms |
32028 KB |
Output is correct |
24 |
Correct |
135 ms |
37960 KB |
Output is correct |
25 |
Correct |
125 ms |
37960 KB |
Output is correct |
26 |
Correct |
111 ms |
39496 KB |
Output is correct |
27 |
Correct |
108 ms |
39496 KB |
Output is correct |
28 |
Correct |
88 ms |
37448 KB |
Output is correct |
29 |
Correct |
117 ms |
38992 KB |
Output is correct |
30 |
Correct |
128 ms |
37960 KB |
Output is correct |
31 |
Correct |
125 ms |
37960 KB |
Output is correct |
32 |
Correct |
112 ms |
38472 KB |
Output is correct |
33 |
Correct |
101 ms |
38728 KB |
Output is correct |
34 |
Correct |
115 ms |
37704 KB |
Output is correct |
35 |
Correct |
116 ms |
37704 KB |
Output is correct |
36 |
Correct |
110 ms |
37960 KB |
Output is correct |
37 |
Correct |
103 ms |
36544 KB |
Output is correct |
38 |
Correct |
101 ms |
36668 KB |
Output is correct |
39 |
Correct |
82 ms |
36836 KB |
Output is correct |
40 |
Correct |
82 ms |
36800 KB |
Output is correct |
41 |
Correct |
85 ms |
36836 KB |
Output is correct |
42 |
Correct |
84 ms |
36824 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
26960 KB |
Output is correct |
2 |
Correct |
5 ms |
26960 KB |
Output is correct |
3 |
Correct |
5 ms |
26960 KB |
Output is correct |
4 |
Correct |
5 ms |
26960 KB |
Output is correct |
5 |
Correct |
6 ms |
26960 KB |
Output is correct |
6 |
Correct |
6 ms |
26960 KB |
Output is correct |
7 |
Correct |
6 ms |
26960 KB |
Output is correct |
8 |
Correct |
6 ms |
27124 KB |
Output is correct |
9 |
Correct |
6 ms |
26960 KB |
Output is correct |
10 |
Correct |
6 ms |
27128 KB |
Output is correct |
11 |
Correct |
5 ms |
26960 KB |
Output is correct |
12 |
Correct |
6 ms |
26960 KB |
Output is correct |
13 |
Correct |
7 ms |
27216 KB |
Output is correct |
14 |
Correct |
7 ms |
27384 KB |
Output is correct |
15 |
Correct |
8 ms |
27216 KB |
Output is correct |
16 |
Correct |
7 ms |
27216 KB |
Output is correct |
17 |
Correct |
7 ms |
27020 KB |
Output is correct |
18 |
Correct |
7 ms |
27120 KB |
Output is correct |
19 |
Correct |
7 ms |
27384 KB |
Output is correct |
20 |
Correct |
8 ms |
27216 KB |
Output is correct |
21 |
Correct |
7 ms |
27216 KB |
Output is correct |
22 |
Correct |
183 ms |
41032 KB |
Output is correct |
23 |
Correct |
185 ms |
41544 KB |
Output is correct |
24 |
Correct |
235 ms |
43084 KB |
Output is correct |
25 |
Correct |
379 ms |
48712 KB |
Output is correct |
26 |
Correct |
183 ms |
41288 KB |
Output is correct |
27 |
Correct |
355 ms |
48712 KB |
Output is correct |
28 |
Correct |
390 ms |
48712 KB |
Output is correct |
29 |
Correct |
181 ms |
41288 KB |
Output is correct |
30 |
Correct |
128 ms |
38320 KB |
Output is correct |
31 |
Correct |
144 ms |
39100 KB |
Output is correct |
32 |
Correct |
306 ms |
45916 KB |
Output is correct |
33 |
Correct |
133 ms |
38576 KB |
Output is correct |
34 |
Correct |
6 ms |
26960 KB |
Output is correct |
35 |
Correct |
5 ms |
26960 KB |
Output is correct |
36 |
Correct |
6 ms |
27128 KB |
Output is correct |
37 |
Correct |
6 ms |
26960 KB |
Output is correct |
38 |
Correct |
11 ms |
27216 KB |
Output is correct |
39 |
Correct |
6 ms |
27172 KB |
Output is correct |
40 |
Correct |
7 ms |
27216 KB |
Output is correct |
41 |
Correct |
126 ms |
38364 KB |
Output is correct |
42 |
Correct |
151 ms |
39096 KB |
Output is correct |
43 |
Correct |
297 ms |
46004 KB |
Output is correct |
44 |
Correct |
131 ms |
38464 KB |
Output is correct |
45 |
Correct |
104 ms |
36540 KB |
Output is correct |
46 |
Correct |
100 ms |
36540 KB |
Output is correct |
47 |
Correct |
81 ms |
36804 KB |
Output is correct |
48 |
Correct |
80 ms |
36640 KB |
Output is correct |
49 |
Correct |
81 ms |
36820 KB |
Output is correct |
50 |
Correct |
88 ms |
36796 KB |
Output is correct |
51 |
Correct |
552 ms |
63124 KB |
Output is correct |
52 |
Correct |
571 ms |
63156 KB |
Output is correct |
53 |
Correct |
498 ms |
63968 KB |
Output is correct |
54 |
Correct |
458 ms |
63748 KB |
Output is correct |
55 |
Correct |
459 ms |
63672 KB |
Output is correct |
56 |
Correct |
95 ms |
32072 KB |
Output is correct |
57 |
Correct |
96 ms |
32028 KB |
Output is correct |
58 |
Correct |
135 ms |
37960 KB |
Output is correct |
59 |
Correct |
125 ms |
37960 KB |
Output is correct |
60 |
Correct |
111 ms |
39496 KB |
Output is correct |
61 |
Correct |
108 ms |
39496 KB |
Output is correct |
62 |
Correct |
88 ms |
37448 KB |
Output is correct |
63 |
Correct |
117 ms |
38992 KB |
Output is correct |
64 |
Correct |
128 ms |
37960 KB |
Output is correct |
65 |
Correct |
125 ms |
37960 KB |
Output is correct |
66 |
Correct |
112 ms |
38472 KB |
Output is correct |
67 |
Correct |
101 ms |
38728 KB |
Output is correct |
68 |
Correct |
115 ms |
37704 KB |
Output is correct |
69 |
Correct |
116 ms |
37704 KB |
Output is correct |
70 |
Correct |
110 ms |
37960 KB |
Output is correct |
71 |
Correct |
103 ms |
36544 KB |
Output is correct |
72 |
Correct |
101 ms |
36668 KB |
Output is correct |
73 |
Correct |
82 ms |
36836 KB |
Output is correct |
74 |
Correct |
82 ms |
36800 KB |
Output is correct |
75 |
Correct |
85 ms |
36836 KB |
Output is correct |
76 |
Correct |
84 ms |
36824 KB |
Output is correct |
77 |
Correct |
773 ms |
71132 KB |
Output is correct |
78 |
Correct |
813 ms |
70988 KB |
Output is correct |
79 |
Correct |
687 ms |
78920 KB |
Output is correct |
80 |
Correct |
684 ms |
78816 KB |
Output is correct |
81 |
Correct |
675 ms |
76616 KB |
Output is correct |
82 |
Correct |
658 ms |
78108 KB |
Output is correct |
83 |
Correct |
788 ms |
70984 KB |
Output is correct |
84 |
Correct |
801 ms |
71136 KB |
Output is correct |
85 |
Correct |
693 ms |
72128 KB |
Output is correct |
86 |
Correct |
679 ms |
67792 KB |
Output is correct |
87 |
Correct |
688 ms |
67184 KB |
Output is correct |
88 |
Correct |
698 ms |
75580 KB |
Output is correct |