#include <bits/stdc++.h>
using namespace std;
#define f first
#define s second
int N, M;
vector<pair<int, int>> pictures;
vector<int> frames;
bool check(int x) {
int j = 1;
int prev = 0;
bool flag = true;
priority_queue<int, vector<int>, greater<int>> pq;
for (int i = M-x+1; i <= M; i++) {
while (j <= N && pictures[j].f <= frames[i]) {
pq.push(pictures[j].s);
j++;
}
if (pq.empty()) {
flag = false;
}
else {
while (!pq.empty() && (pq.top() < prev)) {
pq.pop();
}
if (pq.empty()) {
flag = false;
}
else {
prev = pq.top();
pq.pop();
}
}
}
return flag;
}
int main() {
ios::sync_with_stdio(false);
cin.tie(nullptr);
cin >> N >> M;
pictures.resize(N+1);
frames.resize(M+1);
for (int i = 1; i <= N; i++) {
cin >> pictures[i].f >> pictures[i].s;
}
for (int i = 1; i <= M; i++) {
cin >> frames[i];
}
sort(pictures.begin(), pictures.end());
sort(frames.begin(), frames.end());
int high = min(N, M);
int low = 1;
int ans = low-1;
while (low <= high) {
int mid = (low+high)/2;
if (check(mid)) {
ans = mid;
low = mid+1;
}
else {
high = mid-1;
}
}
cout << ans << "\n";
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
316 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
0 ms |
324 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
328 KB |
Output is correct |
6 |
Correct |
1 ms |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
324 KB |
Output is correct |
8 |
Correct |
1 ms |
316 KB |
Output is correct |
9 |
Correct |
0 ms |
212 KB |
Output is correct |
10 |
Correct |
0 ms |
212 KB |
Output is correct |
11 |
Correct |
1 ms |
212 KB |
Output is correct |
12 |
Correct |
1 ms |
212 KB |
Output is correct |
13 |
Correct |
1 ms |
212 KB |
Output is correct |
14 |
Correct |
1 ms |
212 KB |
Output is correct |
15 |
Correct |
0 ms |
212 KB |
Output is correct |
16 |
Correct |
1 ms |
340 KB |
Output is correct |
17 |
Correct |
0 ms |
212 KB |
Output is correct |
18 |
Correct |
1 ms |
320 KB |
Output is correct |
19 |
Correct |
0 ms |
320 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
316 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
0 ms |
324 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
328 KB |
Output is correct |
6 |
Correct |
1 ms |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
324 KB |
Output is correct |
8 |
Correct |
1 ms |
316 KB |
Output is correct |
9 |
Correct |
0 ms |
212 KB |
Output is correct |
10 |
Correct |
0 ms |
212 KB |
Output is correct |
11 |
Correct |
1 ms |
212 KB |
Output is correct |
12 |
Correct |
1 ms |
212 KB |
Output is correct |
13 |
Correct |
1 ms |
212 KB |
Output is correct |
14 |
Correct |
1 ms |
212 KB |
Output is correct |
15 |
Correct |
0 ms |
212 KB |
Output is correct |
16 |
Correct |
1 ms |
340 KB |
Output is correct |
17 |
Correct |
0 ms |
212 KB |
Output is correct |
18 |
Correct |
1 ms |
320 KB |
Output is correct |
19 |
Correct |
0 ms |
320 KB |
Output is correct |
20 |
Correct |
2 ms |
364 KB |
Output is correct |
21 |
Correct |
1 ms |
332 KB |
Output is correct |
22 |
Correct |
1 ms |
328 KB |
Output is correct |
23 |
Correct |
1 ms |
340 KB |
Output is correct |
24 |
Correct |
1 ms |
332 KB |
Output is correct |
25 |
Correct |
2 ms |
336 KB |
Output is correct |
26 |
Correct |
2 ms |
364 KB |
Output is correct |
27 |
Correct |
1 ms |
328 KB |
Output is correct |
28 |
Correct |
1 ms |
340 KB |
Output is correct |
29 |
Correct |
1 ms |
368 KB |
Output is correct |
30 |
Correct |
1 ms |
340 KB |
Output is correct |
31 |
Correct |
2 ms |
336 KB |
Output is correct |
32 |
Correct |
1 ms |
340 KB |
Output is correct |
33 |
Correct |
1 ms |
212 KB |
Output is correct |
34 |
Correct |
1 ms |
340 KB |
Output is correct |
35 |
Correct |
1 ms |
212 KB |
Output is correct |
36 |
Correct |
2 ms |
340 KB |
Output is correct |
37 |
Correct |
2 ms |
340 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
316 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
0 ms |
324 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
328 KB |
Output is correct |
6 |
Correct |
1 ms |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
324 KB |
Output is correct |
8 |
Correct |
1 ms |
316 KB |
Output is correct |
9 |
Correct |
0 ms |
212 KB |
Output is correct |
10 |
Correct |
0 ms |
212 KB |
Output is correct |
11 |
Correct |
1 ms |
212 KB |
Output is correct |
12 |
Correct |
1 ms |
212 KB |
Output is correct |
13 |
Correct |
1 ms |
212 KB |
Output is correct |
14 |
Correct |
1 ms |
212 KB |
Output is correct |
15 |
Correct |
0 ms |
212 KB |
Output is correct |
16 |
Correct |
1 ms |
340 KB |
Output is correct |
17 |
Correct |
0 ms |
212 KB |
Output is correct |
18 |
Correct |
1 ms |
320 KB |
Output is correct |
19 |
Correct |
0 ms |
320 KB |
Output is correct |
20 |
Correct |
2 ms |
364 KB |
Output is correct |
21 |
Correct |
1 ms |
332 KB |
Output is correct |
22 |
Correct |
1 ms |
328 KB |
Output is correct |
23 |
Correct |
1 ms |
340 KB |
Output is correct |
24 |
Correct |
1 ms |
332 KB |
Output is correct |
25 |
Correct |
2 ms |
336 KB |
Output is correct |
26 |
Correct |
2 ms |
364 KB |
Output is correct |
27 |
Correct |
1 ms |
328 KB |
Output is correct |
28 |
Correct |
1 ms |
340 KB |
Output is correct |
29 |
Correct |
1 ms |
368 KB |
Output is correct |
30 |
Correct |
1 ms |
340 KB |
Output is correct |
31 |
Correct |
2 ms |
336 KB |
Output is correct |
32 |
Correct |
1 ms |
340 KB |
Output is correct |
33 |
Correct |
1 ms |
212 KB |
Output is correct |
34 |
Correct |
1 ms |
340 KB |
Output is correct |
35 |
Correct |
1 ms |
212 KB |
Output is correct |
36 |
Correct |
2 ms |
340 KB |
Output is correct |
37 |
Correct |
2 ms |
340 KB |
Output is correct |
38 |
Correct |
102 ms |
4688 KB |
Output is correct |
39 |
Correct |
92 ms |
4688 KB |
Output is correct |
40 |
Correct |
151 ms |
4712 KB |
Output is correct |
41 |
Correct |
130 ms |
4716 KB |
Output is correct |
42 |
Correct |
42 ms |
4296 KB |
Output is correct |
43 |
Correct |
42 ms |
4304 KB |
Output is correct |
44 |
Correct |
153 ms |
4824 KB |
Output is correct |
45 |
Correct |
238 ms |
5008 KB |
Output is correct |
46 |
Correct |
183 ms |
4936 KB |
Output is correct |
47 |
Correct |
205 ms |
4612 KB |
Output is correct |
48 |
Correct |
171 ms |
4724 KB |
Output is correct |
49 |
Correct |
164 ms |
4004 KB |
Output is correct |
50 |
Correct |
136 ms |
4016 KB |
Output is correct |
51 |
Correct |
46 ms |
4396 KB |
Output is correct |
52 |
Correct |
47 ms |
4296 KB |
Output is correct |
53 |
Correct |
43 ms |
4300 KB |
Output is correct |
54 |
Correct |
146 ms |
5340 KB |
Output is correct |
55 |
Correct |
98 ms |
4780 KB |
Output is correct |
56 |
Correct |
27 ms |
3404 KB |
Output is correct |
57 |
Correct |
17 ms |
1620 KB |
Output is correct |
58 |
Correct |
32 ms |
3896 KB |
Output is correct |
59 |
Correct |
46 ms |
3936 KB |
Output is correct |
60 |
Correct |
17 ms |
1672 KB |
Output is correct |
61 |
Correct |
80 ms |
2840 KB |
Output is correct |
62 |
Correct |
216 ms |
4812 KB |
Output is correct |
63 |
Correct |
215 ms |
4792 KB |
Output is correct |
64 |
Correct |
235 ms |
4852 KB |
Output is correct |
65 |
Correct |
222 ms |
4792 KB |
Output is correct |
66 |
Correct |
214 ms |
4776 KB |
Output is correct |
67 |
Correct |
229 ms |
4784 KB |
Output is correct |
68 |
Correct |
218 ms |
4788 KB |
Output is correct |
69 |
Correct |
223 ms |
4792 KB |
Output is correct |
70 |
Correct |
219 ms |
4988 KB |
Output is correct |
71 |
Correct |
210 ms |
4780 KB |
Output is correct |
72 |
Correct |
188 ms |
4800 KB |
Output is correct |
73 |
Correct |
190 ms |
4868 KB |
Output is correct |