#include <bits/stdc++.h>
using namespace std;
const int S=(1<<19), Nmax=200010;
class SegTree {
public:
void Update(int k, int v) {Update(1, 1, S, k, v);}
int Query(int l, int r) {return Query(1, 1, S, l, r);}
private:
int Tree[2*S];
void Update(int node, int s, int e, int k, int v) {
if(s==e) {
Tree[node]=max(Tree[node], v);
return;
}
int lch=2*node, rch=lch+1, m=(s+e)/2;
if(k<=m) Update(lch, s, m, k, v);
else Update(rch, m+1, e, k, v);
Tree[node]=max(Tree[lch], Tree[rch]);
}
int Query(int node, int s, int e, int l, int r) {
if(s>r || l>e) return 0;
if(l<=s && e<=r) return Tree[node];
int lch=2*node, rch=lch+1, m=(s+e)/2;
return max(Query(lch, s, m, l, r), Query(rch, m+1, e, l, r));
}
}T;
int N, Q, cntx, cnty, ans[Nmax];
struct Data {int x, y, op;};
set<int> Sx, Sy;
map<int, int> Mx, My;
vector<Data> V;
int main() {
ios_base::sync_with_stdio(0); cin.tie(0);
cin>>N>>Q;
for(int i=1; i<=N; i++) {
int x, y; cin>>x>>y;
Sx.insert(x); Sy.insert(y);
V.push_back({x, y, 0});
}
for(int i=1; i<=Q; i++) {
int x, y; cin>>x>>y;
Sx.insert(x); Sy.insert(y);
V.push_back({x, y, i});
}
for(int i:Sx) Mx[i]=++cntx;
for(int i:Sy) My[i]=++cnty;
sort(V.begin(), V.end(), [](Data u, Data v) {return (u.x!=v.x)?(u.x>v.x):((u.y!=v.y)?(u.y<v.y):(u.op<v.op));});
for(Data i:V) {
i.x=Mx[i.x], i.y=My[i.y];
int tmp=T.Query(1, i.y);
if(i.op) ans[i.op]=tmp;
else T.Update(i.y, tmp+1);
}
for(int i=1; i<=Q; i++) cout<<ans[i]<<"\n";
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
340 KB |
Output is correct |
2 |
Correct |
0 ms |
340 KB |
Output is correct |
3 |
Correct |
0 ms |
340 KB |
Output is correct |
4 |
Correct |
0 ms |
340 KB |
Output is correct |
5 |
Correct |
0 ms |
340 KB |
Output is correct |
6 |
Correct |
0 ms |
340 KB |
Output is correct |
7 |
Correct |
0 ms |
340 KB |
Output is correct |
8 |
Correct |
0 ms |
340 KB |
Output is correct |
9 |
Correct |
0 ms |
340 KB |
Output is correct |
10 |
Correct |
0 ms |
340 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
340 KB |
Output is correct |
2 |
Correct |
0 ms |
340 KB |
Output is correct |
3 |
Correct |
0 ms |
340 KB |
Output is correct |
4 |
Correct |
0 ms |
340 KB |
Output is correct |
5 |
Correct |
0 ms |
340 KB |
Output is correct |
6 |
Correct |
0 ms |
340 KB |
Output is correct |
7 |
Correct |
0 ms |
340 KB |
Output is correct |
8 |
Correct |
0 ms |
340 KB |
Output is correct |
9 |
Correct |
0 ms |
340 KB |
Output is correct |
10 |
Correct |
0 ms |
340 KB |
Output is correct |
11 |
Correct |
0 ms |
340 KB |
Output is correct |
12 |
Correct |
0 ms |
340 KB |
Output is correct |
13 |
Correct |
1 ms |
340 KB |
Output is correct |
14 |
Correct |
0 ms |
340 KB |
Output is correct |
15 |
Correct |
1 ms |
340 KB |
Output is correct |
16 |
Correct |
0 ms |
340 KB |
Output is correct |
17 |
Correct |
0 ms |
340 KB |
Output is correct |
18 |
Correct |
1 ms |
340 KB |
Output is correct |
19 |
Correct |
1 ms |
340 KB |
Output is correct |
20 |
Correct |
1 ms |
340 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
340 KB |
Output is correct |
2 |
Correct |
0 ms |
340 KB |
Output is correct |
3 |
Correct |
0 ms |
340 KB |
Output is correct |
4 |
Correct |
0 ms |
340 KB |
Output is correct |
5 |
Correct |
0 ms |
340 KB |
Output is correct |
6 |
Correct |
0 ms |
340 KB |
Output is correct |
7 |
Correct |
0 ms |
340 KB |
Output is correct |
8 |
Correct |
0 ms |
340 KB |
Output is correct |
9 |
Correct |
0 ms |
340 KB |
Output is correct |
10 |
Correct |
0 ms |
340 KB |
Output is correct |
11 |
Correct |
0 ms |
340 KB |
Output is correct |
12 |
Correct |
0 ms |
340 KB |
Output is correct |
13 |
Correct |
1 ms |
340 KB |
Output is correct |
14 |
Correct |
0 ms |
340 KB |
Output is correct |
15 |
Correct |
1 ms |
340 KB |
Output is correct |
16 |
Correct |
0 ms |
340 KB |
Output is correct |
17 |
Correct |
0 ms |
340 KB |
Output is correct |
18 |
Correct |
1 ms |
340 KB |
Output is correct |
19 |
Correct |
1 ms |
340 KB |
Output is correct |
20 |
Correct |
1 ms |
340 KB |
Output is correct |
21 |
Correct |
1 ms |
340 KB |
Output is correct |
22 |
Correct |
3 ms |
724 KB |
Output is correct |
23 |
Correct |
5 ms |
1236 KB |
Output is correct |
24 |
Correct |
6 ms |
1240 KB |
Output is correct |
25 |
Correct |
5 ms |
1316 KB |
Output is correct |
26 |
Correct |
6 ms |
1236 KB |
Output is correct |
27 |
Correct |
6 ms |
1276 KB |
Output is correct |
28 |
Correct |
5 ms |
1244 KB |
Output is correct |
29 |
Correct |
5 ms |
980 KB |
Output is correct |
30 |
Correct |
2 ms |
524 KB |
Output is correct |
31 |
Correct |
6 ms |
1216 KB |
Output is correct |
32 |
Correct |
6 ms |
1312 KB |
Output is correct |
33 |
Correct |
6 ms |
1244 KB |
Output is correct |
34 |
Correct |
6 ms |
1236 KB |
Output is correct |
35 |
Correct |
5 ms |
1244 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
340 KB |
Output is correct |
2 |
Correct |
0 ms |
340 KB |
Output is correct |
3 |
Correct |
0 ms |
340 KB |
Output is correct |
4 |
Correct |
0 ms |
340 KB |
Output is correct |
5 |
Correct |
0 ms |
340 KB |
Output is correct |
6 |
Correct |
0 ms |
340 KB |
Output is correct |
7 |
Correct |
0 ms |
340 KB |
Output is correct |
8 |
Correct |
0 ms |
340 KB |
Output is correct |
9 |
Correct |
0 ms |
340 KB |
Output is correct |
10 |
Correct |
0 ms |
340 KB |
Output is correct |
11 |
Correct |
0 ms |
340 KB |
Output is correct |
12 |
Correct |
0 ms |
340 KB |
Output is correct |
13 |
Correct |
1 ms |
340 KB |
Output is correct |
14 |
Correct |
0 ms |
340 KB |
Output is correct |
15 |
Correct |
1 ms |
340 KB |
Output is correct |
16 |
Correct |
0 ms |
340 KB |
Output is correct |
17 |
Correct |
0 ms |
340 KB |
Output is correct |
18 |
Correct |
1 ms |
340 KB |
Output is correct |
19 |
Correct |
1 ms |
340 KB |
Output is correct |
20 |
Correct |
1 ms |
340 KB |
Output is correct |
21 |
Correct |
1 ms |
340 KB |
Output is correct |
22 |
Correct |
3 ms |
724 KB |
Output is correct |
23 |
Correct |
5 ms |
1236 KB |
Output is correct |
24 |
Correct |
6 ms |
1240 KB |
Output is correct |
25 |
Correct |
5 ms |
1316 KB |
Output is correct |
26 |
Correct |
6 ms |
1236 KB |
Output is correct |
27 |
Correct |
6 ms |
1276 KB |
Output is correct |
28 |
Correct |
5 ms |
1244 KB |
Output is correct |
29 |
Correct |
5 ms |
980 KB |
Output is correct |
30 |
Correct |
2 ms |
524 KB |
Output is correct |
31 |
Correct |
6 ms |
1216 KB |
Output is correct |
32 |
Correct |
6 ms |
1312 KB |
Output is correct |
33 |
Correct |
6 ms |
1244 KB |
Output is correct |
34 |
Correct |
6 ms |
1236 KB |
Output is correct |
35 |
Correct |
5 ms |
1244 KB |
Output is correct |
36 |
Correct |
914 ms |
49108 KB |
Output is correct |
37 |
Correct |
586 ms |
47920 KB |
Output is correct |
38 |
Correct |
363 ms |
32376 KB |
Output is correct |
39 |
Correct |
200 ms |
9716 KB |
Output is correct |
40 |
Correct |
212 ms |
10192 KB |
Output is correct |
41 |
Correct |
495 ms |
32248 KB |
Output is correct |
42 |
Correct |
147 ms |
8800 KB |
Output is correct |
43 |
Correct |
129 ms |
8908 KB |
Output is correct |
44 |
Correct |
1441 ms |
92648 KB |
Output is correct |
45 |
Correct |
1489 ms |
92544 KB |
Output is correct |
46 |
Correct |
1483 ms |
92792 KB |
Output is correct |
47 |
Correct |
1366 ms |
92180 KB |
Output is correct |
48 |
Correct |
1307 ms |
92708 KB |
Output is correct |
49 |
Correct |
1309 ms |
92136 KB |
Output is correct |
50 |
Correct |
1323 ms |
92704 KB |
Output is correct |