#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using ld = long double;
using ull = unsigned long long;
#define all(x) x.begin(), x.end()
template <typename T1, typename T2> inline void chkmin(T1 &x, const T2 & y) {if (x > y) x = y;}
template <typename T1, typename T2> inline void chkmax(T1 &x, const T2 & y) {if (x < y) x = y;}
struct event{
int s, v;
event () {}
event(int _s, int _v) {
s = _s, v = _v;
}
};
bool operator<(const event & a, const event & b) {
return tie(a.v, a.s) < tie(b.v, b.s);
}
int n, m;
vector<event> a;
vector<int> c;
void read() {
cin >> n >> m;
a.resize(n);
for (auto &i : a) {
cin >> i.s >> i.v;
}
sort(all(a));
c.resize(m);
for (auto &i : c) {
cin >> i;
}
sort(all(c));
reverse(all(c));
}
bool check(int cnt) {
vector<int> fc;
for (int i = 0; i < cnt; i++)
fc.push_back(c[i]);
reverse(all(fc));
int mx = 0;
for (auto i : a) {
int have = mx;
int min_pos = lower_bound(all(fc), i.s) - fc.begin();
if (min_pos > have) continue;
chkmax(mx, have + 1);
}
return mx >= cnt;
}
int ans;
void build() {
vector<int> have;
for (auto i : a) {
have.push_back(i.s);
}
for (auto i : c) {
have.push_back(i);
}
sort(all(have));
have.resize(unique(all(have)) - have.begin());
for (auto &i : a) {
i.s = lower_bound(all(have), i.s) - have.begin();
}
for (auto &i : c) {
i = lower_bound(all(have), i) - have.begin();
}
}
void run() {
build();
int l = 0, r = min(n, m) + 1;
while (l < r - 1) {
int mid = (l + r) / 2;
if (check(mid))
l = mid;
else
r = mid;
}
ans = l;
}
void write() {
cout << ans << endl;
}
signed main() {
ios_base::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
read();
run();
write();
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
376 KB |
Output is correct |
2 |
Correct |
4 ms |
376 KB |
Output is correct |
3 |
Correct |
5 ms |
376 KB |
Output is correct |
4 |
Correct |
5 ms |
376 KB |
Output is correct |
5 |
Correct |
5 ms |
376 KB |
Output is correct |
6 |
Correct |
5 ms |
376 KB |
Output is correct |
7 |
Correct |
5 ms |
376 KB |
Output is correct |
8 |
Correct |
5 ms |
376 KB |
Output is correct |
9 |
Correct |
5 ms |
376 KB |
Output is correct |
10 |
Correct |
5 ms |
376 KB |
Output is correct |
11 |
Correct |
5 ms |
504 KB |
Output is correct |
12 |
Correct |
5 ms |
376 KB |
Output is correct |
13 |
Correct |
5 ms |
376 KB |
Output is correct |
14 |
Correct |
5 ms |
376 KB |
Output is correct |
15 |
Correct |
5 ms |
376 KB |
Output is correct |
16 |
Correct |
5 ms |
376 KB |
Output is correct |
17 |
Correct |
5 ms |
376 KB |
Output is correct |
18 |
Correct |
5 ms |
376 KB |
Output is correct |
19 |
Correct |
5 ms |
376 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
376 KB |
Output is correct |
2 |
Correct |
4 ms |
376 KB |
Output is correct |
3 |
Correct |
5 ms |
376 KB |
Output is correct |
4 |
Correct |
5 ms |
376 KB |
Output is correct |
5 |
Correct |
5 ms |
376 KB |
Output is correct |
6 |
Correct |
5 ms |
376 KB |
Output is correct |
7 |
Correct |
5 ms |
376 KB |
Output is correct |
8 |
Correct |
5 ms |
376 KB |
Output is correct |
9 |
Correct |
5 ms |
376 KB |
Output is correct |
10 |
Correct |
5 ms |
376 KB |
Output is correct |
11 |
Correct |
5 ms |
504 KB |
Output is correct |
12 |
Correct |
5 ms |
376 KB |
Output is correct |
13 |
Correct |
5 ms |
376 KB |
Output is correct |
14 |
Correct |
5 ms |
376 KB |
Output is correct |
15 |
Correct |
5 ms |
376 KB |
Output is correct |
16 |
Correct |
5 ms |
376 KB |
Output is correct |
17 |
Correct |
5 ms |
376 KB |
Output is correct |
18 |
Correct |
5 ms |
376 KB |
Output is correct |
19 |
Correct |
5 ms |
376 KB |
Output is correct |
20 |
Correct |
6 ms |
376 KB |
Output is correct |
21 |
Correct |
6 ms |
376 KB |
Output is correct |
22 |
Correct |
6 ms |
376 KB |
Output is correct |
23 |
Correct |
6 ms |
376 KB |
Output is correct |
24 |
Correct |
6 ms |
376 KB |
Output is correct |
25 |
Correct |
6 ms |
376 KB |
Output is correct |
26 |
Correct |
6 ms |
376 KB |
Output is correct |
27 |
Correct |
6 ms |
376 KB |
Output is correct |
28 |
Correct |
6 ms |
376 KB |
Output is correct |
29 |
Correct |
6 ms |
376 KB |
Output is correct |
30 |
Correct |
6 ms |
376 KB |
Output is correct |
31 |
Correct |
6 ms |
376 KB |
Output is correct |
32 |
Correct |
5 ms |
376 KB |
Output is correct |
33 |
Correct |
5 ms |
376 KB |
Output is correct |
34 |
Correct |
6 ms |
376 KB |
Output is correct |
35 |
Correct |
5 ms |
376 KB |
Output is correct |
36 |
Correct |
6 ms |
376 KB |
Output is correct |
37 |
Correct |
6 ms |
376 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
376 KB |
Output is correct |
2 |
Correct |
4 ms |
376 KB |
Output is correct |
3 |
Correct |
5 ms |
376 KB |
Output is correct |
4 |
Correct |
5 ms |
376 KB |
Output is correct |
5 |
Correct |
5 ms |
376 KB |
Output is correct |
6 |
Correct |
5 ms |
376 KB |
Output is correct |
7 |
Correct |
5 ms |
376 KB |
Output is correct |
8 |
Correct |
5 ms |
376 KB |
Output is correct |
9 |
Correct |
5 ms |
376 KB |
Output is correct |
10 |
Correct |
5 ms |
376 KB |
Output is correct |
11 |
Correct |
5 ms |
504 KB |
Output is correct |
12 |
Correct |
5 ms |
376 KB |
Output is correct |
13 |
Correct |
5 ms |
376 KB |
Output is correct |
14 |
Correct |
5 ms |
376 KB |
Output is correct |
15 |
Correct |
5 ms |
376 KB |
Output is correct |
16 |
Correct |
5 ms |
376 KB |
Output is correct |
17 |
Correct |
5 ms |
376 KB |
Output is correct |
18 |
Correct |
5 ms |
376 KB |
Output is correct |
19 |
Correct |
5 ms |
376 KB |
Output is correct |
20 |
Correct |
6 ms |
376 KB |
Output is correct |
21 |
Correct |
6 ms |
376 KB |
Output is correct |
22 |
Correct |
6 ms |
376 KB |
Output is correct |
23 |
Correct |
6 ms |
376 KB |
Output is correct |
24 |
Correct |
6 ms |
376 KB |
Output is correct |
25 |
Correct |
6 ms |
376 KB |
Output is correct |
26 |
Correct |
6 ms |
376 KB |
Output is correct |
27 |
Correct |
6 ms |
376 KB |
Output is correct |
28 |
Correct |
6 ms |
376 KB |
Output is correct |
29 |
Correct |
6 ms |
376 KB |
Output is correct |
30 |
Correct |
6 ms |
376 KB |
Output is correct |
31 |
Correct |
6 ms |
376 KB |
Output is correct |
32 |
Correct |
5 ms |
376 KB |
Output is correct |
33 |
Correct |
5 ms |
376 KB |
Output is correct |
34 |
Correct |
6 ms |
376 KB |
Output is correct |
35 |
Correct |
5 ms |
376 KB |
Output is correct |
36 |
Correct |
6 ms |
376 KB |
Output is correct |
37 |
Correct |
6 ms |
376 KB |
Output is correct |
38 |
Correct |
189 ms |
3088 KB |
Output is correct |
39 |
Correct |
128 ms |
3060 KB |
Output is correct |
40 |
Correct |
103 ms |
3056 KB |
Output is correct |
41 |
Correct |
185 ms |
3100 KB |
Output is correct |
42 |
Correct |
102 ms |
3060 KB |
Output is correct |
43 |
Correct |
117 ms |
3060 KB |
Output is correct |
44 |
Correct |
152 ms |
3036 KB |
Output is correct |
45 |
Correct |
277 ms |
3024 KB |
Output is correct |
46 |
Correct |
147 ms |
3060 KB |
Output is correct |
47 |
Correct |
266 ms |
2932 KB |
Output is correct |
48 |
Correct |
142 ms |
2932 KB |
Output is correct |
49 |
Correct |
135 ms |
2804 KB |
Output is correct |
50 |
Correct |
106 ms |
2804 KB |
Output is correct |
51 |
Correct |
117 ms |
3188 KB |
Output is correct |
52 |
Correct |
124 ms |
3060 KB |
Output is correct |
53 |
Correct |
122 ms |
3188 KB |
Output is correct |
54 |
Correct |
84 ms |
3060 KB |
Output is correct |
55 |
Correct |
186 ms |
3060 KB |
Output is correct |
56 |
Correct |
66 ms |
2168 KB |
Output is correct |
57 |
Correct |
33 ms |
1784 KB |
Output is correct |
58 |
Correct |
51 ms |
2172 KB |
Output is correct |
59 |
Correct |
126 ms |
2168 KB |
Output is correct |
60 |
Correct |
39 ms |
1784 KB |
Output is correct |
61 |
Correct |
81 ms |
2548 KB |
Output is correct |
62 |
Correct |
240 ms |
3060 KB |
Output is correct |
63 |
Correct |
241 ms |
3060 KB |
Output is correct |
64 |
Correct |
255 ms |
3056 KB |
Output is correct |
65 |
Correct |
250 ms |
3060 KB |
Output is correct |
66 |
Correct |
241 ms |
3108 KB |
Output is correct |
67 |
Correct |
251 ms |
3060 KB |
Output is correct |
68 |
Correct |
238 ms |
3080 KB |
Output is correct |
69 |
Correct |
251 ms |
3060 KB |
Output is correct |
70 |
Correct |
241 ms |
3056 KB |
Output is correct |
71 |
Correct |
232 ms |
3060 KB |
Output is correct |
72 |
Correct |
191 ms |
3056 KB |
Output is correct |
73 |
Correct |
158 ms |
3060 KB |
Output is correct |