#include <bits/stdc++.h>
#define finish(x) return cout << x << endl, 0
typedef long long ll;
typedef long double ldb;
const int md = 1e9 + 7;
const ll inf = 1e18;
const int OO = 1;
const int OOO = 1;
using namespace std;
int n, m;
vector<pair<int, int>> a;
vector<int> b;
bool can(int x) {
priority_queue<int, vector<int>, greater<int>> Q;
int lst = -1, nxt = 0;
for (int i = m - x; i < m; i++) {
while (nxt < a.size() && a[nxt].first <= b[i]) {
if (a[nxt].second >= lst) Q.push(a[nxt].second);
nxt++;
}
if (!Q.size()) return false;
lst = Q.top();
Q.pop();
}
return true;
}
int main() {
ios::sync_with_stdio(0), cin.tie(0);
cin >> n >> m;
a.resize(n);
for (auto &i : a) cin >> i.first >> i.second;
sort(a.begin(), a.end());
b.resize(m);
for (auto &i : b) cin >> i;
sort(b.begin(), b.end());
int lo = 0, hi = min(n, m), mid;
while (lo < hi) {
mid = (lo + hi + 1) / 2;
if (can(mid)) lo = mid;
else hi = mid - 1;
}
finish(lo);
}
Compilation message
joi2019_ho_t2.cpp: In function 'bool can(int)':
joi2019_ho_t2.cpp:19:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
while (nxt < a.size() && a[nxt].first <= b[i]) {
~~~~^~~~~~~~~~
| # |
Verdict |
Execution time |
Memory |
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 |
| # |
Verdict |
Execution time |
Memory |
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 |
424 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 |
424 KB |
Output is correct |
| 25 |
Correct |
4 ms |
376 KB |
Output is correct |
| 26 |
Correct |
3 ms |
376 KB |
Output is correct |
| 27 |
Correct |
2 ms |
376 KB |
Output is correct |
| 28 |
Correct |
3 ms |
376 KB |
Output is correct |
| 29 |
Correct |
4 ms |
376 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 |
2 ms |
376 KB |
Output is correct |
| 34 |
Correct |
3 ms |
376 KB |
Output is correct |
| 35 |
Correct |
2 ms |
376 KB |
Output is correct |
| 36 |
Correct |
3 ms |
376 KB |
Output is correct |
| 37 |
Correct |
3 ms |
376 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
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 |
424 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 |
424 KB |
Output is correct |
| 25 |
Correct |
4 ms |
376 KB |
Output is correct |
| 26 |
Correct |
3 ms |
376 KB |
Output is correct |
| 27 |
Correct |
2 ms |
376 KB |
Output is correct |
| 28 |
Correct |
3 ms |
376 KB |
Output is correct |
| 29 |
Correct |
4 ms |
376 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 |
2 ms |
376 KB |
Output is correct |
| 34 |
Correct |
3 ms |
376 KB |
Output is correct |
| 35 |
Correct |
2 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 |
138 ms |
4852 KB |
Output is correct |
| 39 |
Correct |
128 ms |
4788 KB |
Output is correct |
| 40 |
Correct |
191 ms |
4880 KB |
Output is correct |
| 41 |
Correct |
163 ms |
4856 KB |
Output is correct |
| 42 |
Correct |
62 ms |
4472 KB |
Output is correct |
| 43 |
Correct |
62 ms |
4472 KB |
Output is correct |
| 44 |
Correct |
138 ms |
4968 KB |
Output is correct |
| 45 |
Correct |
293 ms |
5112 KB |
Output is correct |
| 46 |
Correct |
243 ms |
4988 KB |
Output is correct |
| 47 |
Correct |
231 ms |
4600 KB |
Output is correct |
| 48 |
Correct |
201 ms |
4600 KB |
Output is correct |
| 49 |
Correct |
204 ms |
4200 KB |
Output is correct |
| 50 |
Correct |
176 ms |
4188 KB |
Output is correct |
| 51 |
Correct |
62 ms |
4472 KB |
Output is correct |
| 52 |
Correct |
62 ms |
4472 KB |
Output is correct |
| 53 |
Correct |
63 ms |
4472 KB |
Output is correct |
| 54 |
Correct |
197 ms |
5416 KB |
Output is correct |
| 55 |
Correct |
112 ms |
4860 KB |
Output is correct |
| 56 |
Correct |
41 ms |
3448 KB |
Output is correct |
| 57 |
Correct |
25 ms |
1784 KB |
Output is correct |
| 58 |
Correct |
48 ms |
4068 KB |
Output is correct |
| 59 |
Correct |
65 ms |
4072 KB |
Output is correct |
| 60 |
Correct |
25 ms |
1784 KB |
Output is correct |
| 61 |
Correct |
95 ms |
2948 KB |
Output is correct |
| 62 |
Correct |
209 ms |
5056 KB |
Output is correct |
| 63 |
Correct |
207 ms |
4860 KB |
Output is correct |
| 64 |
Correct |
217 ms |
4920 KB |
Output is correct |
| 65 |
Correct |
226 ms |
4976 KB |
Output is correct |
| 66 |
Correct |
214 ms |
5012 KB |
Output is correct |
| 67 |
Correct |
217 ms |
4892 KB |
Output is correct |
| 68 |
Correct |
208 ms |
4908 KB |
Output is correct |
| 69 |
Correct |
217 ms |
4912 KB |
Output is correct |
| 70 |
Correct |
209 ms |
4940 KB |
Output is correct |
| 71 |
Correct |
199 ms |
4952 KB |
Output is correct |
| 72 |
Correct |
177 ms |
4988 KB |
Output is correct |
| 73 |
Correct |
189 ms |
4908 KB |
Output is correct |
