#include <algorithm>
#include <iostream>
typedef long long llong;
const int MAXN = 100000 + 10;
int n, m;
int c[MAXN];
std::pair < int, int > p[MAXN];
bool check(int count)
{
int from = m - count + 1;
for (int i = 1 ; i <= n && from <= m ; ++i)
{
if (p[i].first <= c[from])
{
++from;
}
}
return from == m+1;
}
void solve()
{
std::sort(c+1, c+1+m);
std::sort(p+1, p+1+n, [&](std::pair < int, int > a, std::pair < int, int > b)
{
return std::make_pair(a.second, a.first) < std::make_pair(b.second, b.first);
});
int l = 0, r = n+1, mid;
while (l < r - 1)
{
mid = (l + r) / 2;
if (check(mid)) l = mid;
else r = mid;
}
std::cout << l << '\n';
}
void read()
{
std::cin >> n >> m;
for (int i = 1 ; i <= n ; ++i)
{
std::cin >> p[i].first >> p[i].second;
}
for (int i = 1 ; i <= m ; ++i)
{
std::cin >> c[i];
}
}
void fastIO()
{
std::ios_base :: sync_with_stdio(0);
std::cout.tie(nullptr);
std::cin.tie(nullptr);
}
int main ()
{
fastIO();
read();
solve();
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
340 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
328 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
0 ms |
212 KB |
Output is correct |
6 |
Correct |
1 ms |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
212 KB |
Output is correct |
8 |
Correct |
0 ms |
328 KB |
Output is correct |
9 |
Correct |
1 ms |
324 KB |
Output is correct |
10 |
Correct |
1 ms |
212 KB |
Output is correct |
11 |
Correct |
0 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 |
0 ms |
212 KB |
Output is correct |
15 |
Correct |
1 ms |
212 KB |
Output is correct |
16 |
Correct |
0 ms |
212 KB |
Output is correct |
17 |
Correct |
1 ms |
212 KB |
Output is correct |
18 |
Correct |
1 ms |
212 KB |
Output is correct |
19 |
Correct |
1 ms |
212 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
340 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
328 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
0 ms |
212 KB |
Output is correct |
6 |
Correct |
1 ms |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
212 KB |
Output is correct |
8 |
Correct |
0 ms |
328 KB |
Output is correct |
9 |
Correct |
1 ms |
324 KB |
Output is correct |
10 |
Correct |
1 ms |
212 KB |
Output is correct |
11 |
Correct |
0 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 |
0 ms |
212 KB |
Output is correct |
15 |
Correct |
1 ms |
212 KB |
Output is correct |
16 |
Correct |
0 ms |
212 KB |
Output is correct |
17 |
Correct |
1 ms |
212 KB |
Output is correct |
18 |
Correct |
1 ms |
212 KB |
Output is correct |
19 |
Correct |
1 ms |
212 KB |
Output is correct |
20 |
Correct |
1 ms |
340 KB |
Output is correct |
21 |
Correct |
1 ms |
336 KB |
Output is correct |
22 |
Correct |
1 ms |
340 KB |
Output is correct |
23 |
Correct |
1 ms |
340 KB |
Output is correct |
24 |
Correct |
1 ms |
340 KB |
Output is correct |
25 |
Correct |
1 ms |
340 KB |
Output is correct |
26 |
Correct |
1 ms |
340 KB |
Output is correct |
27 |
Correct |
1 ms |
340 KB |
Output is correct |
28 |
Correct |
1 ms |
340 KB |
Output is correct |
29 |
Correct |
1 ms |
340 KB |
Output is correct |
30 |
Correct |
1 ms |
340 KB |
Output is correct |
31 |
Correct |
1 ms |
360 KB |
Output is correct |
32 |
Correct |
1 ms |
356 KB |
Output is correct |
33 |
Correct |
1 ms |
340 KB |
Output is correct |
34 |
Correct |
1 ms |
340 KB |
Output is correct |
35 |
Correct |
1 ms |
340 KB |
Output is correct |
36 |
Correct |
1 ms |
340 KB |
Output is correct |
37 |
Correct |
1 ms |
340 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
340 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
328 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
0 ms |
212 KB |
Output is correct |
6 |
Correct |
1 ms |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
212 KB |
Output is correct |
8 |
Correct |
0 ms |
328 KB |
Output is correct |
9 |
Correct |
1 ms |
324 KB |
Output is correct |
10 |
Correct |
1 ms |
212 KB |
Output is correct |
11 |
Correct |
0 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 |
0 ms |
212 KB |
Output is correct |
15 |
Correct |
1 ms |
212 KB |
Output is correct |
16 |
Correct |
0 ms |
212 KB |
Output is correct |
17 |
Correct |
1 ms |
212 KB |
Output is correct |
18 |
Correct |
1 ms |
212 KB |
Output is correct |
19 |
Correct |
1 ms |
212 KB |
Output is correct |
20 |
Correct |
1 ms |
340 KB |
Output is correct |
21 |
Correct |
1 ms |
336 KB |
Output is correct |
22 |
Correct |
1 ms |
340 KB |
Output is correct |
23 |
Correct |
1 ms |
340 KB |
Output is correct |
24 |
Correct |
1 ms |
340 KB |
Output is correct |
25 |
Correct |
1 ms |
340 KB |
Output is correct |
26 |
Correct |
1 ms |
340 KB |
Output is correct |
27 |
Correct |
1 ms |
340 KB |
Output is correct |
28 |
Correct |
1 ms |
340 KB |
Output is correct |
29 |
Correct |
1 ms |
340 KB |
Output is correct |
30 |
Correct |
1 ms |
340 KB |
Output is correct |
31 |
Correct |
1 ms |
360 KB |
Output is correct |
32 |
Correct |
1 ms |
356 KB |
Output is correct |
33 |
Correct |
1 ms |
340 KB |
Output is correct |
34 |
Correct |
1 ms |
340 KB |
Output is correct |
35 |
Correct |
1 ms |
340 KB |
Output is correct |
36 |
Correct |
1 ms |
340 KB |
Output is correct |
37 |
Correct |
1 ms |
340 KB |
Output is correct |
38 |
Correct |
46 ms |
4272 KB |
Output is correct |
39 |
Correct |
54 ms |
4376 KB |
Output is correct |
40 |
Correct |
39 ms |
4400 KB |
Output is correct |
41 |
Correct |
44 ms |
4328 KB |
Output is correct |
42 |
Correct |
44 ms |
4300 KB |
Output is correct |
43 |
Correct |
44 ms |
4352 KB |
Output is correct |
44 |
Correct |
45 ms |
4276 KB |
Output is correct |
45 |
Correct |
52 ms |
4360 KB |
Output is correct |
46 |
Correct |
42 ms |
4304 KB |
Output is correct |
47 |
Correct |
41 ms |
3916 KB |
Output is correct |
48 |
Correct |
39 ms |
3916 KB |
Output is correct |
49 |
Correct |
38 ms |
3532 KB |
Output is correct |
50 |
Correct |
36 ms |
3476 KB |
Output is correct |
51 |
Correct |
49 ms |
4396 KB |
Output is correct |
52 |
Correct |
46 ms |
4372 KB |
Output is correct |
53 |
Correct |
46 ms |
4316 KB |
Output is correct |
54 |
Correct |
40 ms |
4404 KB |
Output is correct |
55 |
Correct |
46 ms |
4392 KB |
Output is correct |
56 |
Correct |
30 ms |
3012 KB |
Output is correct |
57 |
Correct |
18 ms |
1584 KB |
Output is correct |
58 |
Correct |
37 ms |
2908 KB |
Output is correct |
59 |
Correct |
35 ms |
3048 KB |
Output is correct |
60 |
Correct |
16 ms |
1620 KB |
Output is correct |
61 |
Correct |
41 ms |
2524 KB |
Output is correct |
62 |
Correct |
49 ms |
4304 KB |
Output is correct |
63 |
Correct |
49 ms |
4312 KB |
Output is correct |
64 |
Correct |
53 ms |
4316 KB |
Output is correct |
65 |
Correct |
62 ms |
4280 KB |
Output is correct |
66 |
Correct |
49 ms |
4268 KB |
Output is correct |
67 |
Correct |
49 ms |
4380 KB |
Output is correct |
68 |
Correct |
50 ms |
4300 KB |
Output is correct |
69 |
Correct |
55 ms |
4400 KB |
Output is correct |
70 |
Correct |
50 ms |
4384 KB |
Output is correct |
71 |
Correct |
54 ms |
4420 KB |
Output is correct |
72 |
Correct |
45 ms |
4304 KB |
Output is correct |
73 |
Correct |
47 ms |
4396 KB |
Output is correct |