#include <bits/stdc++.h>
using namespace std;
const int MM = 1e5+5;
int main(){
cin.tie(0)->sync_with_stdio(0);
int n,m,ans = 0; cin >> n >> m;
vector<array<int,2>> a; vector<int> b;
for(int i = 0; i < n; i++){
int s,v; cin >> s >> v;
a.push_back({s,v});
}
for(int i = 0; i < m; i++){
int c; cin >> c;
b.emplace_back(c);
}
sort(b.begin(),b.end());
sort(a.begin(),a.end());
auto solve = [&](int st){
priority_queue<int,vector<int>,greater<>> q;
for(int i = st, j = 0,lst = 0; i < m; i++){
while(j < n && a[j][0] <= b[i]){
if(lst <= a[j][1]) q.push(a[j][1]);
j++;
}
if(q.empty()) return 0;
lst = q.top();
q.pop();
}
return 1;
};
int lo = 0, hi = m-1;
while(lo < hi){
int mid = (lo+hi)/2;
if(solve(mid)) hi = mid;
else lo = mid+1;
}
if(solve(lo)) cout << m-lo << "\n";
else cout << "0\n";
}
// if ans = k, we should take k biggest frames
// we should put min value that fits in left frame, min value that fits into second left, ...
Compilation message
joi2019_ho_t2.cpp: In function 'int main()':
joi2019_ho_t2.cpp:6:10: warning: unused variable 'ans' [-Wunused-variable]
6 | int n,m,ans = 0; cin >> n >> m;
| ^~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
308 KB |
Output is correct |
| 2 |
Correct |
1 ms |
204 KB |
Output is correct |
| 3 |
Correct |
1 ms |
204 KB |
Output is correct |
| 4 |
Correct |
1 ms |
204 KB |
Output is correct |
| 5 |
Correct |
1 ms |
204 KB |
Output is correct |
| 6 |
Correct |
1 ms |
204 KB |
Output is correct |
| 7 |
Correct |
0 ms |
204 KB |
Output is correct |
| 8 |
Correct |
0 ms |
204 KB |
Output is correct |
| 9 |
Correct |
0 ms |
204 KB |
Output is correct |
| 10 |
Correct |
1 ms |
204 KB |
Output is correct |
| 11 |
Correct |
1 ms |
312 KB |
Output is correct |
| 12 |
Correct |
1 ms |
204 KB |
Output is correct |
| 13 |
Correct |
1 ms |
304 KB |
Output is correct |
| 14 |
Correct |
0 ms |
204 KB |
Output is correct |
| 15 |
Correct |
0 ms |
204 KB |
Output is correct |
| 16 |
Correct |
1 ms |
316 KB |
Output is correct |
| 17 |
Correct |
1 ms |
204 KB |
Output is correct |
| 18 |
Correct |
1 ms |
204 KB |
Output is correct |
| 19 |
Correct |
0 ms |
204 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
308 KB |
Output is correct |
| 2 |
Correct |
1 ms |
204 KB |
Output is correct |
| 3 |
Correct |
1 ms |
204 KB |
Output is correct |
| 4 |
Correct |
1 ms |
204 KB |
Output is correct |
| 5 |
Correct |
1 ms |
204 KB |
Output is correct |
| 6 |
Correct |
1 ms |
204 KB |
Output is correct |
| 7 |
Correct |
0 ms |
204 KB |
Output is correct |
| 8 |
Correct |
0 ms |
204 KB |
Output is correct |
| 9 |
Correct |
0 ms |
204 KB |
Output is correct |
| 10 |
Correct |
1 ms |
204 KB |
Output is correct |
| 11 |
Correct |
1 ms |
312 KB |
Output is correct |
| 12 |
Correct |
1 ms |
204 KB |
Output is correct |
| 13 |
Correct |
1 ms |
304 KB |
Output is correct |
| 14 |
Correct |
0 ms |
204 KB |
Output is correct |
| 15 |
Correct |
0 ms |
204 KB |
Output is correct |
| 16 |
Correct |
1 ms |
316 KB |
Output is correct |
| 17 |
Correct |
1 ms |
204 KB |
Output is correct |
| 18 |
Correct |
1 ms |
204 KB |
Output is correct |
| 19 |
Correct |
0 ms |
204 KB |
Output is correct |
| 20 |
Correct |
1 ms |
328 KB |
Output is correct |
| 21 |
Correct |
1 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 |
332 KB |
Output is correct |
| 26 |
Correct |
3 ms |
332 KB |
Output is correct |
| 27 |
Correct |
1 ms |
316 KB |
Output is correct |
| 28 |
Correct |
1 ms |
332 KB |
Output is correct |
| 29 |
Correct |
1 ms |
324 KB |
Output is correct |
| 30 |
Correct |
1 ms |
332 KB |
Output is correct |
| 31 |
Correct |
2 ms |
320 KB |
Output is correct |
| 32 |
Correct |
1 ms |
332 KB |
Output is correct |
| 33 |
Correct |
1 ms |
332 KB |
Output is correct |
| 34 |
Correct |
1 ms |
332 KB |
Output is correct |
| 35 |
Correct |
1 ms |
204 KB |
Output is correct |
| 36 |
Correct |
1 ms |
332 KB |
Output is correct |
| 37 |
Correct |
2 ms |
332 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
308 KB |
Output is correct |
| 2 |
Correct |
1 ms |
204 KB |
Output is correct |
| 3 |
Correct |
1 ms |
204 KB |
Output is correct |
| 4 |
Correct |
1 ms |
204 KB |
Output is correct |
| 5 |
Correct |
1 ms |
204 KB |
Output is correct |
| 6 |
Correct |
1 ms |
204 KB |
Output is correct |
| 7 |
Correct |
0 ms |
204 KB |
Output is correct |
| 8 |
Correct |
0 ms |
204 KB |
Output is correct |
| 9 |
Correct |
0 ms |
204 KB |
Output is correct |
| 10 |
Correct |
1 ms |
204 KB |
Output is correct |
| 11 |
Correct |
1 ms |
312 KB |
Output is correct |
| 12 |
Correct |
1 ms |
204 KB |
Output is correct |
| 13 |
Correct |
1 ms |
304 KB |
Output is correct |
| 14 |
Correct |
0 ms |
204 KB |
Output is correct |
| 15 |
Correct |
0 ms |
204 KB |
Output is correct |
| 16 |
Correct |
1 ms |
316 KB |
Output is correct |
| 17 |
Correct |
1 ms |
204 KB |
Output is correct |
| 18 |
Correct |
1 ms |
204 KB |
Output is correct |
| 19 |
Correct |
0 ms |
204 KB |
Output is correct |
| 20 |
Correct |
1 ms |
328 KB |
Output is correct |
| 21 |
Correct |
1 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 |
332 KB |
Output is correct |
| 26 |
Correct |
3 ms |
332 KB |
Output is correct |
| 27 |
Correct |
1 ms |
316 KB |
Output is correct |
| 28 |
Correct |
1 ms |
332 KB |
Output is correct |
| 29 |
Correct |
1 ms |
324 KB |
Output is correct |
| 30 |
Correct |
1 ms |
332 KB |
Output is correct |
| 31 |
Correct |
2 ms |
320 KB |
Output is correct |
| 32 |
Correct |
1 ms |
332 KB |
Output is correct |
| 33 |
Correct |
1 ms |
332 KB |
Output is correct |
| 34 |
Correct |
1 ms |
332 KB |
Output is correct |
| 35 |
Correct |
1 ms |
204 KB |
Output is correct |
| 36 |
Correct |
1 ms |
332 KB |
Output is correct |
| 37 |
Correct |
2 ms |
332 KB |
Output is correct |
| 38 |
Correct |
117 ms |
4896 KB |
Output is correct |
| 39 |
Correct |
96 ms |
4848 KB |
Output is correct |
| 40 |
Correct |
159 ms |
4924 KB |
Output is correct |
| 41 |
Correct |
142 ms |
4904 KB |
Output is correct |
| 42 |
Correct |
47 ms |
4780 KB |
Output is correct |
| 43 |
Correct |
50 ms |
4872 KB |
Output is correct |
| 44 |
Correct |
125 ms |
5160 KB |
Output is correct |
| 45 |
Correct |
281 ms |
5208 KB |
Output is correct |
| 46 |
Correct |
220 ms |
5140 KB |
Output is correct |
| 47 |
Correct |
202 ms |
4724 KB |
Output is correct |
| 48 |
Correct |
177 ms |
4780 KB |
Output is correct |
| 49 |
Correct |
177 ms |
3996 KB |
Output is correct |
| 50 |
Correct |
142 ms |
4060 KB |
Output is correct |
| 51 |
Correct |
52 ms |
4968 KB |
Output is correct |
| 52 |
Correct |
53 ms |
4864 KB |
Output is correct |
| 53 |
Correct |
47 ms |
4732 KB |
Output is correct |
| 54 |
Correct |
162 ms |
5312 KB |
Output is correct |
| 55 |
Correct |
88 ms |
4840 KB |
Output is correct |
| 56 |
Correct |
33 ms |
3440 KB |
Output is correct |
| 57 |
Correct |
19 ms |
1840 KB |
Output is correct |
| 58 |
Correct |
41 ms |
3956 KB |
Output is correct |
| 59 |
Correct |
56 ms |
3896 KB |
Output is correct |
| 60 |
Correct |
19 ms |
1816 KB |
Output is correct |
| 61 |
Correct |
97 ms |
2872 KB |
Output is correct |
| 62 |
Correct |
197 ms |
4900 KB |
Output is correct |
| 63 |
Correct |
207 ms |
4900 KB |
Output is correct |
| 64 |
Correct |
182 ms |
4900 KB |
Output is correct |
| 65 |
Correct |
190 ms |
4856 KB |
Output is correct |
| 66 |
Correct |
184 ms |
4876 KB |
Output is correct |
| 67 |
Correct |
194 ms |
5020 KB |
Output is correct |
| 68 |
Correct |
185 ms |
4800 KB |
Output is correct |
| 69 |
Correct |
175 ms |
4896 KB |
Output is correct |
| 70 |
Correct |
186 ms |
4904 KB |
Output is correct |
| 71 |
Correct |
156 ms |
4896 KB |
Output is correct |
| 72 |
Correct |
137 ms |
4912 KB |
Output is correct |
| 73 |
Correct |
151 ms |
4892 KB |
Output is correct |
