#include<iostream>
#include<algorithm>
#include<queue>
using namespace std;
int const N = 1e5 + 5;
typedef pair<int, int> pii;
pii pic[N];
int c[N], n, m;
bool check(int x){
int idx = 0;
priority_queue<int, vector<int>, greater<int> > pq;
int last = 0;
for(int i = x - 1; i >= 0; i--){
while(idx < n && pic[idx].first <= c[i]){
if(pic[idx].second >= last)
pq.push(pic[idx].second);
idx++;
}
if(pq.empty()){
return 0;
}
last = pq.top();
pq.pop();
}
return 1;
}
int main(){
cin >> n >> m;
for(int i = 0; i < n; i++){
cin >> pic[i].first >> pic[i].second;
}
for(int i = 0; i < m; i++){
cin >> c[i];
}
sort(pic, pic + n);
sort(c, c + m);
reverse(c, c + m);
int l = 0, r = n;
while(l < r){
int mid = l + r + 1 >> 1;
if(check(mid)){
l = mid;
}else{
r = mid - 1;
}
}
cout << l << '\n';
}
Compilation message
joi2019_ho_t2.cpp: In function 'int main()':
joi2019_ho_t2.cpp:40:25: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
40 | int mid = l + r + 1 >> 1;
| ~~~~~~^~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
296 KB |
Output is correct |
2 |
Correct |
0 ms |
292 KB |
Output is correct |
3 |
Correct |
0 ms |
304 KB |
Output is correct |
4 |
Correct |
0 ms |
204 KB |
Output is correct |
5 |
Correct |
0 ms |
296 KB |
Output is correct |
6 |
Correct |
1 ms |
204 KB |
Output is correct |
7 |
Correct |
1 ms |
204 KB |
Output is correct |
8 |
Correct |
1 ms |
296 KB |
Output is correct |
9 |
Correct |
1 ms |
204 KB |
Output is correct |
10 |
Correct |
1 ms |
204 KB |
Output is correct |
11 |
Correct |
1 ms |
204 KB |
Output is correct |
12 |
Correct |
1 ms |
296 KB |
Output is correct |
13 |
Correct |
1 ms |
204 KB |
Output is correct |
14 |
Correct |
0 ms |
204 KB |
Output is correct |
15 |
Correct |
1 ms |
204 KB |
Output is correct |
16 |
Correct |
1 ms |
204 KB |
Output is correct |
17 |
Correct |
0 ms |
204 KB |
Output is correct |
18 |
Correct |
1 ms |
204 KB |
Output is correct |
19 |
Correct |
1 ms |
204 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
296 KB |
Output is correct |
2 |
Correct |
0 ms |
292 KB |
Output is correct |
3 |
Correct |
0 ms |
304 KB |
Output is correct |
4 |
Correct |
0 ms |
204 KB |
Output is correct |
5 |
Correct |
0 ms |
296 KB |
Output is correct |
6 |
Correct |
1 ms |
204 KB |
Output is correct |
7 |
Correct |
1 ms |
204 KB |
Output is correct |
8 |
Correct |
1 ms |
296 KB |
Output is correct |
9 |
Correct |
1 ms |
204 KB |
Output is correct |
10 |
Correct |
1 ms |
204 KB |
Output is correct |
11 |
Correct |
1 ms |
204 KB |
Output is correct |
12 |
Correct |
1 ms |
296 KB |
Output is correct |
13 |
Correct |
1 ms |
204 KB |
Output is correct |
14 |
Correct |
0 ms |
204 KB |
Output is correct |
15 |
Correct |
1 ms |
204 KB |
Output is correct |
16 |
Correct |
1 ms |
204 KB |
Output is correct |
17 |
Correct |
0 ms |
204 KB |
Output is correct |
18 |
Correct |
1 ms |
204 KB |
Output is correct |
19 |
Correct |
1 ms |
204 KB |
Output is correct |
20 |
Correct |
2 ms |
332 KB |
Output is correct |
21 |
Correct |
2 ms |
332 KB |
Output is correct |
22 |
Correct |
1 ms |
332 KB |
Output is correct |
23 |
Correct |
1 ms |
332 KB |
Output is correct |
24 |
Correct |
2 ms |
332 KB |
Output is correct |
25 |
Correct |
2 ms |
344 KB |
Output is correct |
26 |
Correct |
2 ms |
332 KB |
Output is correct |
27 |
Correct |
2 ms |
332 KB |
Output is correct |
28 |
Correct |
2 ms |
332 KB |
Output is correct |
29 |
Correct |
2 ms |
336 KB |
Output is correct |
30 |
Correct |
2 ms |
332 KB |
Output is correct |
31 |
Correct |
2 ms |
332 KB |
Output is correct |
32 |
Correct |
1 ms |
336 KB |
Output is correct |
33 |
Correct |
1 ms |
208 KB |
Output is correct |
34 |
Correct |
2 ms |
332 KB |
Output is correct |
35 |
Correct |
1 ms |
312 KB |
Output is correct |
36 |
Correct |
2 ms |
332 KB |
Output is correct |
37 |
Correct |
2 ms |
336 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
296 KB |
Output is correct |
2 |
Correct |
0 ms |
292 KB |
Output is correct |
3 |
Correct |
0 ms |
304 KB |
Output is correct |
4 |
Correct |
0 ms |
204 KB |
Output is correct |
5 |
Correct |
0 ms |
296 KB |
Output is correct |
6 |
Correct |
1 ms |
204 KB |
Output is correct |
7 |
Correct |
1 ms |
204 KB |
Output is correct |
8 |
Correct |
1 ms |
296 KB |
Output is correct |
9 |
Correct |
1 ms |
204 KB |
Output is correct |
10 |
Correct |
1 ms |
204 KB |
Output is correct |
11 |
Correct |
1 ms |
204 KB |
Output is correct |
12 |
Correct |
1 ms |
296 KB |
Output is correct |
13 |
Correct |
1 ms |
204 KB |
Output is correct |
14 |
Correct |
0 ms |
204 KB |
Output is correct |
15 |
Correct |
1 ms |
204 KB |
Output is correct |
16 |
Correct |
1 ms |
204 KB |
Output is correct |
17 |
Correct |
0 ms |
204 KB |
Output is correct |
18 |
Correct |
1 ms |
204 KB |
Output is correct |
19 |
Correct |
1 ms |
204 KB |
Output is correct |
20 |
Correct |
2 ms |
332 KB |
Output is correct |
21 |
Correct |
2 ms |
332 KB |
Output is correct |
22 |
Correct |
1 ms |
332 KB |
Output is correct |
23 |
Correct |
1 ms |
332 KB |
Output is correct |
24 |
Correct |
2 ms |
332 KB |
Output is correct |
25 |
Correct |
2 ms |
344 KB |
Output is correct |
26 |
Correct |
2 ms |
332 KB |
Output is correct |
27 |
Correct |
2 ms |
332 KB |
Output is correct |
28 |
Correct |
2 ms |
332 KB |
Output is correct |
29 |
Correct |
2 ms |
336 KB |
Output is correct |
30 |
Correct |
2 ms |
332 KB |
Output is correct |
31 |
Correct |
2 ms |
332 KB |
Output is correct |
32 |
Correct |
1 ms |
336 KB |
Output is correct |
33 |
Correct |
1 ms |
208 KB |
Output is correct |
34 |
Correct |
2 ms |
332 KB |
Output is correct |
35 |
Correct |
1 ms |
312 KB |
Output is correct |
36 |
Correct |
2 ms |
332 KB |
Output is correct |
37 |
Correct |
2 ms |
336 KB |
Output is correct |
38 |
Correct |
172 ms |
4752 KB |
Output is correct |
39 |
Correct |
162 ms |
4696 KB |
Output is correct |
40 |
Correct |
216 ms |
4724 KB |
Output is correct |
41 |
Correct |
201 ms |
4724 KB |
Output is correct |
42 |
Correct |
120 ms |
4292 KB |
Output is correct |
43 |
Correct |
121 ms |
4292 KB |
Output is correct |
44 |
Correct |
175 ms |
4772 KB |
Output is correct |
45 |
Correct |
298 ms |
4904 KB |
Output is correct |
46 |
Correct |
247 ms |
4872 KB |
Output is correct |
47 |
Correct |
179 ms |
4452 KB |
Output is correct |
48 |
Correct |
160 ms |
4336 KB |
Output is correct |
49 |
Correct |
215 ms |
3952 KB |
Output is correct |
50 |
Correct |
188 ms |
4032 KB |
Output is correct |
51 |
Correct |
120 ms |
4232 KB |
Output is correct |
52 |
Correct |
121 ms |
4356 KB |
Output is correct |
53 |
Correct |
117 ms |
4200 KB |
Output is correct |
54 |
Correct |
228 ms |
5376 KB |
Output is correct |
55 |
Correct |
151 ms |
4688 KB |
Output is correct |
56 |
Correct |
84 ms |
3268 KB |
Output is correct |
57 |
Correct |
43 ms |
1604 KB |
Output is correct |
58 |
Correct |
80 ms |
3884 KB |
Output is correct |
59 |
Correct |
87 ms |
3888 KB |
Output is correct |
60 |
Correct |
44 ms |
1560 KB |
Output is correct |
61 |
Correct |
113 ms |
2812 KB |
Output is correct |
62 |
Correct |
238 ms |
4740 KB |
Output is correct |
63 |
Correct |
237 ms |
4752 KB |
Output is correct |
64 |
Correct |
241 ms |
4732 KB |
Output is correct |
65 |
Correct |
259 ms |
5124 KB |
Output is correct |
66 |
Correct |
233 ms |
4732 KB |
Output is correct |
67 |
Correct |
240 ms |
4744 KB |
Output is correct |
68 |
Correct |
234 ms |
4852 KB |
Output is correct |
69 |
Correct |
239 ms |
4744 KB |
Output is correct |
70 |
Correct |
237 ms |
4972 KB |
Output is correct |
71 |
Correct |
230 ms |
4736 KB |
Output is correct |
72 |
Correct |
204 ms |
4768 KB |
Output is correct |
73 |
Correct |
224 ms |
4876 KB |
Output is correct |