#include <bits/stdc++.h>
#define lsb(x) (x & (-x))
#define ll long long
#define ull unsigned long long
#if 0
const int MOD = ;
inline int lgput(int a, int b) {
int ans = 1;
while(b > 0) {
if(b & 1) ans = (1LL * ans * a) % MOD;
b >>= 1;
a = (1LL * a * a) % MOD;
}
return ans;
}
inline void mod(int &x) {
if(x >= MOD)
x -= MOD;
}
inline void add(int &x, int y) {
x += y;
mod(x);
}
inline void sub(int &x, int y) {
x += MOD - y;
mod(x);
}
inline void mul(int &x, int y) {
x = (1LL * x * y) % MOD;
}
inline int inv(int x) {
return lgput(x, MOD - 2);
}
#endif
#if 0
int fact[], invfact[];
inline void prec(int n) {
fact[0] = 1;
for(int i = 1; i <= n; i++) {
fact[i] = (1LL * fact[i - 1] * i) % MOD;
}
invfact[n] = lgput(fact[n], MOD - 2);
for(int i = n - 1; i >= 0; i--) {
invfact[i] = (1LL * invfact[i + 1] * (i + 1)) % MOD;
}
}
inline int comb(int n, int k) {
if(n < k) return 0;
return (1LL * fact[n] * (1LL * invfact[k] * invfact[n - k] % MOD)) % MOD;
}
#endif
using namespace std;
int main() {
#if 0
ifstream cin("A.in");
ofstream cout("A.out");
#endif
int i, n, m;
ios::sync_with_stdio(false);
cin.tie(0), cout.tie(0);
cin >> n >> m;
vector < pair <int, int> > a(n);
for(i = 0; i < n; i++) {
cin >> a[i].second >> a[i].first;
}
sort(a.begin(), a.end());
vector < pair <int, int> > b(n);
for(i = 0; i < n; i++) {
b[i] = {a[i].second, i};
}
sort(b.begin(), b.end());
vector <int> c(m);
for(i = 0; i < m; i++) {
cin >> c[i];
}
sort(c.begin(), c.end());
auto check = [&](int p) -> bool {
p = m - p;
for(int i = 0; i < n; i++) {
if(p < m && c[p] >= a[i].second) {
p++;
}
}
return p == m;
};
int res = 0;
for(int step = 1 << 17; step; step >>= 1) {
if(res + step <= min(n, m) && check(res + step)) {
res += step;
}
}
cout << res;
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
376 KB |
Output is correct |
3 |
Correct |
2 ms |
376 KB |
Output is correct |
4 |
Correct |
2 ms |
376 KB |
Output is correct |
5 |
Correct |
2 ms |
376 KB |
Output is correct |
6 |
Correct |
2 ms |
376 KB |
Output is correct |
7 |
Correct |
2 ms |
376 KB |
Output is correct |
8 |
Correct |
2 ms |
376 KB |
Output is correct |
9 |
Correct |
2 ms |
376 KB |
Output is correct |
10 |
Correct |
2 ms |
376 KB |
Output is correct |
11 |
Correct |
2 ms |
376 KB |
Output is correct |
12 |
Correct |
2 ms |
376 KB |
Output is correct |
13 |
Correct |
2 ms |
376 KB |
Output is correct |
14 |
Correct |
2 ms |
376 KB |
Output is correct |
15 |
Correct |
2 ms |
376 KB |
Output is correct |
16 |
Correct |
2 ms |
376 KB |
Output is correct |
17 |
Correct |
2 ms |
376 KB |
Output is correct |
18 |
Correct |
2 ms |
376 KB |
Output is correct |
19 |
Correct |
2 ms |
376 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
376 KB |
Output is correct |
3 |
Correct |
2 ms |
376 KB |
Output is correct |
4 |
Correct |
2 ms |
376 KB |
Output is correct |
5 |
Correct |
2 ms |
376 KB |
Output is correct |
6 |
Correct |
2 ms |
376 KB |
Output is correct |
7 |
Correct |
2 ms |
376 KB |
Output is correct |
8 |
Correct |
2 ms |
376 KB |
Output is correct |
9 |
Correct |
2 ms |
376 KB |
Output is correct |
10 |
Correct |
2 ms |
376 KB |
Output is correct |
11 |
Correct |
2 ms |
376 KB |
Output is correct |
12 |
Correct |
2 ms |
376 KB |
Output is correct |
13 |
Correct |
2 ms |
376 KB |
Output is correct |
14 |
Correct |
2 ms |
376 KB |
Output is correct |
15 |
Correct |
2 ms |
376 KB |
Output is correct |
16 |
Correct |
2 ms |
376 KB |
Output is correct |
17 |
Correct |
2 ms |
376 KB |
Output is correct |
18 |
Correct |
2 ms |
376 KB |
Output is correct |
19 |
Correct |
2 ms |
376 KB |
Output is correct |
20 |
Correct |
3 ms |
376 KB |
Output is correct |
21 |
Correct |
3 ms |
376 KB |
Output is correct |
22 |
Correct |
3 ms |
376 KB |
Output is correct |
23 |
Correct |
3 ms |
376 KB |
Output is correct |
24 |
Correct |
3 ms |
376 KB |
Output is correct |
25 |
Correct |
3 ms |
376 KB |
Output is correct |
26 |
Correct |
3 ms |
376 KB |
Output is correct |
27 |
Correct |
3 ms |
376 KB |
Output is correct |
28 |
Correct |
3 ms |
348 KB |
Output is correct |
29 |
Correct |
3 ms |
380 KB |
Output is correct |
30 |
Correct |
3 ms |
376 KB |
Output is correct |
31 |
Correct |
3 ms |
376 KB |
Output is correct |
32 |
Correct |
3 ms |
376 KB |
Output is correct |
33 |
Correct |
1 ms |
376 KB |
Output is correct |
34 |
Correct |
3 ms |
376 KB |
Output is correct |
35 |
Correct |
3 ms |
376 KB |
Output is correct |
36 |
Correct |
3 ms |
376 KB |
Output is correct |
37 |
Correct |
3 ms |
376 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
376 KB |
Output is correct |
3 |
Correct |
2 ms |
376 KB |
Output is correct |
4 |
Correct |
2 ms |
376 KB |
Output is correct |
5 |
Correct |
2 ms |
376 KB |
Output is correct |
6 |
Correct |
2 ms |
376 KB |
Output is correct |
7 |
Correct |
2 ms |
376 KB |
Output is correct |
8 |
Correct |
2 ms |
376 KB |
Output is correct |
9 |
Correct |
2 ms |
376 KB |
Output is correct |
10 |
Correct |
2 ms |
376 KB |
Output is correct |
11 |
Correct |
2 ms |
376 KB |
Output is correct |
12 |
Correct |
2 ms |
376 KB |
Output is correct |
13 |
Correct |
2 ms |
376 KB |
Output is correct |
14 |
Correct |
2 ms |
376 KB |
Output is correct |
15 |
Correct |
2 ms |
376 KB |
Output is correct |
16 |
Correct |
2 ms |
376 KB |
Output is correct |
17 |
Correct |
2 ms |
376 KB |
Output is correct |
18 |
Correct |
2 ms |
376 KB |
Output is correct |
19 |
Correct |
2 ms |
376 KB |
Output is correct |
20 |
Correct |
3 ms |
376 KB |
Output is correct |
21 |
Correct |
3 ms |
376 KB |
Output is correct |
22 |
Correct |
3 ms |
376 KB |
Output is correct |
23 |
Correct |
3 ms |
376 KB |
Output is correct |
24 |
Correct |
3 ms |
376 KB |
Output is correct |
25 |
Correct |
3 ms |
376 KB |
Output is correct |
26 |
Correct |
3 ms |
376 KB |
Output is correct |
27 |
Correct |
3 ms |
376 KB |
Output is correct |
28 |
Correct |
3 ms |
348 KB |
Output is correct |
29 |
Correct |
3 ms |
380 KB |
Output is correct |
30 |
Correct |
3 ms |
376 KB |
Output is correct |
31 |
Correct |
3 ms |
376 KB |
Output is correct |
32 |
Correct |
3 ms |
376 KB |
Output is correct |
33 |
Correct |
1 ms |
376 KB |
Output is correct |
34 |
Correct |
3 ms |
376 KB |
Output is correct |
35 |
Correct |
3 ms |
376 KB |
Output is correct |
36 |
Correct |
3 ms |
376 KB |
Output is correct |
37 |
Correct |
3 ms |
376 KB |
Output is correct |
38 |
Correct |
69 ms |
5240 KB |
Output is correct |
39 |
Correct |
66 ms |
5240 KB |
Output is correct |
40 |
Correct |
62 ms |
5240 KB |
Output is correct |
41 |
Correct |
69 ms |
5256 KB |
Output is correct |
42 |
Correct |
72 ms |
5240 KB |
Output is correct |
43 |
Correct |
64 ms |
5368 KB |
Output is correct |
44 |
Correct |
72 ms |
5368 KB |
Output is correct |
45 |
Correct |
76 ms |
5144 KB |
Output is correct |
46 |
Correct |
71 ms |
5128 KB |
Output is correct |
47 |
Correct |
69 ms |
4728 KB |
Output is correct |
48 |
Correct |
68 ms |
5008 KB |
Output is correct |
49 |
Correct |
59 ms |
4088 KB |
Output is correct |
50 |
Correct |
57 ms |
4088 KB |
Output is correct |
51 |
Correct |
80 ms |
5240 KB |
Output is correct |
52 |
Correct |
80 ms |
5368 KB |
Output is correct |
53 |
Correct |
80 ms |
5116 KB |
Output is correct |
54 |
Correct |
62 ms |
5240 KB |
Output is correct |
55 |
Correct |
72 ms |
5368 KB |
Output is correct |
56 |
Correct |
50 ms |
3848 KB |
Output is correct |
57 |
Correct |
25 ms |
1660 KB |
Output is correct |
58 |
Correct |
45 ms |
3804 KB |
Output is correct |
59 |
Correct |
51 ms |
3848 KB |
Output is correct |
60 |
Correct |
25 ms |
1784 KB |
Output is correct |
61 |
Correct |
43 ms |
2936 KB |
Output is correct |
62 |
Correct |
80 ms |
5128 KB |
Output is correct |
63 |
Correct |
79 ms |
5240 KB |
Output is correct |
64 |
Correct |
80 ms |
5164 KB |
Output is correct |
65 |
Correct |
79 ms |
5240 KB |
Output is correct |
66 |
Correct |
80 ms |
5240 KB |
Output is correct |
67 |
Correct |
80 ms |
5240 KB |
Output is correct |
68 |
Correct |
79 ms |
5168 KB |
Output is correct |
69 |
Correct |
82 ms |
5240 KB |
Output is correct |
70 |
Correct |
82 ms |
5156 KB |
Output is correct |
71 |
Correct |
80 ms |
5240 KB |
Output is correct |
72 |
Correct |
81 ms |
5240 KB |
Output is correct |
73 |
Correct |
79 ms |
5240 KB |
Output is correct |