#include <bits/stdc++.h>
using namespace std;
#define pii array<int,2>
signed main() {
int n,q;cin>>n>>q;
vector<pii> dolls(n);
for (auto &x:dolls) {
cin>>x[0]>>x[1];
}
sort(dolls.begin(), dolls.end(), [](const pii &x, const pii &y) {
if (x[0] != y[0]) return x[0] > y[0];
return x[1] < y[1];
});
vector<pii> quer(q);
for (auto &x:quer)cin>>x[0]>>x[1];
vector<pii> srtQuer = quer;
sort(srtQuer.begin(), srtQuer.end(), [](const pii &x, const pii &y) {
if (x[0] != y[0]) return x[0] < y[0];
return x[1] < y[1];
});
map<pii,int> ans;
while (srtQuer.size() && srtQuer.back()[0] > dolls[0][0]) {
ans[srtQuer.back()] = 0;
srtQuer.pop_back();
}
dolls.push_back({-1, -1});
vector<int> lis;
for (int i=0;i<n;i++) {
auto it = upper_bound(lis.begin(), lis.end(), dolls[i][1]);
if (it == lis.end()) {
lis.push_back(dolls[i][1]);
}
else {
int dis = (int)distance(lis.begin(), it);
lis[dis] = dolls[i][1];
}
while (srtQuer.size() && srtQuer.back()[0] > dolls[i+1][0]) {
pii qq = srtQuer.back();srtQuer.pop_back();
auto it2 = upper_bound(lis.begin(), lis.end(), qq[1]);
ans[qq] = (int)distance(lis.begin(), it2);
}
}
for (auto x:quer) {
cout<<ans[x]<<"\n";
}
}
# |
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 |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
1 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
348 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 |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
1 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 |
0 ms |
348 KB |
Output is correct |
14 |
Correct |
0 ms |
348 KB |
Output is correct |
15 |
Correct |
0 ms |
348 KB |
Output is correct |
16 |
Correct |
1 ms |
348 KB |
Output is correct |
17 |
Correct |
0 ms |
348 KB |
Output is correct |
18 |
Correct |
1 ms |
348 KB |
Output is correct |
19 |
Correct |
0 ms |
344 KB |
Output is correct |
20 |
Correct |
0 ms |
348 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 |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
1 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 |
0 ms |
348 KB |
Output is correct |
14 |
Correct |
0 ms |
348 KB |
Output is correct |
15 |
Correct |
0 ms |
348 KB |
Output is correct |
16 |
Correct |
1 ms |
348 KB |
Output is correct |
17 |
Correct |
0 ms |
348 KB |
Output is correct |
18 |
Correct |
1 ms |
348 KB |
Output is correct |
19 |
Correct |
0 ms |
344 KB |
Output is correct |
20 |
Correct |
0 ms |
348 KB |
Output is correct |
21 |
Correct |
1 ms |
348 KB |
Output is correct |
22 |
Correct |
2 ms |
636 KB |
Output is correct |
23 |
Correct |
3 ms |
604 KB |
Output is correct |
24 |
Correct |
3 ms |
604 KB |
Output is correct |
25 |
Correct |
3 ms |
600 KB |
Output is correct |
26 |
Correct |
3 ms |
604 KB |
Output is correct |
27 |
Correct |
3 ms |
600 KB |
Output is correct |
28 |
Correct |
3 ms |
600 KB |
Output is correct |
29 |
Correct |
3 ms |
856 KB |
Output is correct |
30 |
Correct |
2 ms |
348 KB |
Output is correct |
31 |
Correct |
3 ms |
604 KB |
Output is correct |
32 |
Correct |
3 ms |
604 KB |
Output is correct |
33 |
Correct |
4 ms |
604 KB |
Output is correct |
34 |
Correct |
4 ms |
600 KB |
Output is correct |
35 |
Correct |
4 ms |
604 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 |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
1 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 |
0 ms |
348 KB |
Output is correct |
14 |
Correct |
0 ms |
348 KB |
Output is correct |
15 |
Correct |
0 ms |
348 KB |
Output is correct |
16 |
Correct |
1 ms |
348 KB |
Output is correct |
17 |
Correct |
0 ms |
348 KB |
Output is correct |
18 |
Correct |
1 ms |
348 KB |
Output is correct |
19 |
Correct |
0 ms |
344 KB |
Output is correct |
20 |
Correct |
0 ms |
348 KB |
Output is correct |
21 |
Correct |
1 ms |
348 KB |
Output is correct |
22 |
Correct |
2 ms |
636 KB |
Output is correct |
23 |
Correct |
3 ms |
604 KB |
Output is correct |
24 |
Correct |
3 ms |
604 KB |
Output is correct |
25 |
Correct |
3 ms |
600 KB |
Output is correct |
26 |
Correct |
3 ms |
604 KB |
Output is correct |
27 |
Correct |
3 ms |
600 KB |
Output is correct |
28 |
Correct |
3 ms |
600 KB |
Output is correct |
29 |
Correct |
3 ms |
856 KB |
Output is correct |
30 |
Correct |
2 ms |
348 KB |
Output is correct |
31 |
Correct |
3 ms |
604 KB |
Output is correct |
32 |
Correct |
3 ms |
604 KB |
Output is correct |
33 |
Correct |
4 ms |
604 KB |
Output is correct |
34 |
Correct |
4 ms |
600 KB |
Output is correct |
35 |
Correct |
4 ms |
604 KB |
Output is correct |
36 |
Correct |
325 ms |
23456 KB |
Output is correct |
37 |
Correct |
329 ms |
23832 KB |
Output is correct |
38 |
Correct |
102 ms |
6872 KB |
Output is correct |
39 |
Correct |
275 ms |
19892 KB |
Output is correct |
40 |
Correct |
285 ms |
20704 KB |
Output is correct |
41 |
Correct |
317 ms |
24088 KB |
Output is correct |
42 |
Correct |
141 ms |
9692 KB |
Output is correct |
43 |
Correct |
118 ms |
11056 KB |
Output is correct |
44 |
Correct |
436 ms |
27264 KB |
Output is correct |
45 |
Correct |
379 ms |
26688 KB |
Output is correct |
46 |
Correct |
409 ms |
26216 KB |
Output is correct |
47 |
Correct |
376 ms |
25648 KB |
Output is correct |
48 |
Correct |
397 ms |
27112 KB |
Output is correct |
49 |
Correct |
389 ms |
27520 KB |
Output is correct |
50 |
Correct |
388 ms |
26168 KB |
Output is correct |