#include <bits/stdc++.h>
using namespace std;
#define int long long
main(){
ios_base::sync_with_stdio(0); cin.tie(0);
int n, m; cin >> n >> m;
pair<int, int> p[n]; int frame[m];
for (int x = 0; x < n; x++) cin >> p[x].second >> p[x].first; //value, then size, easier
for (int x = 0; x < m; x++) cin >> frame[x];
sort(frame, frame+m, greater<int>()); //sort in decreasing size
//we will construct ans from back to front
//thus size monotonically decreases (sorted)
//and value also monotonically decreases
sort(p, p+n, greater<pair<int, int>>());
int ptr = 0, usedFrames = 0;
while (ptr != n){
//if it fits, we put it in
if (usedFrames >= m) break;
if (frame[usedFrames] >= p[ptr].second){
//can fit
usedFrames++;
ptr++;
}
else{
ptr++; //cannot fit, try next one
}
}
cout << usedFrames;
}
Compilation message
joi2019_ho_t2.cpp:4:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
4 | main(){
| ^~~~
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
212 KB |
Output is correct |
| 2 |
Correct |
0 ms |
212 KB |
Output is correct |
| 3 |
Correct |
0 ms |
212 KB |
Output is correct |
| 4 |
Correct |
0 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 |
0 ms |
212 KB |
Output is correct |
| 8 |
Correct |
1 ms |
212 KB |
Output is correct |
| 9 |
Correct |
0 ms |
212 KB |
Output is correct |
| 10 |
Correct |
0 ms |
212 KB |
Output is correct |
| 11 |
Correct |
1 ms |
212 KB |
Output is correct |
| 12 |
Correct |
0 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 |
0 ms |
212 KB |
Output is correct |
| 16 |
Correct |
0 ms |
320 KB |
Output is correct |
| 17 |
Correct |
1 ms |
212 KB |
Output is correct |
| 18 |
Correct |
0 ms |
212 KB |
Output is correct |
| 19 |
Correct |
0 ms |
212 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
212 KB |
Output is correct |
| 2 |
Correct |
0 ms |
212 KB |
Output is correct |
| 3 |
Correct |
0 ms |
212 KB |
Output is correct |
| 4 |
Correct |
0 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 |
0 ms |
212 KB |
Output is correct |
| 8 |
Correct |
1 ms |
212 KB |
Output is correct |
| 9 |
Correct |
0 ms |
212 KB |
Output is correct |
| 10 |
Correct |
0 ms |
212 KB |
Output is correct |
| 11 |
Correct |
1 ms |
212 KB |
Output is correct |
| 12 |
Correct |
0 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 |
0 ms |
212 KB |
Output is correct |
| 16 |
Correct |
0 ms |
320 KB |
Output is correct |
| 17 |
Correct |
1 ms |
212 KB |
Output is correct |
| 18 |
Correct |
0 ms |
212 KB |
Output is correct |
| 19 |
Correct |
0 ms |
212 KB |
Output is correct |
| 20 |
Correct |
1 ms |
340 KB |
Output is correct |
| 21 |
Correct |
1 ms |
340 KB |
Output is correct |
| 22 |
Correct |
1 ms |
340 KB |
Output is correct |
| 23 |
Correct |
1 ms |
336 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 |
332 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 |
368 KB |
Output is correct |
| 32 |
Correct |
1 ms |
336 KB |
Output is correct |
| 33 |
Correct |
0 ms |
332 KB |
Output is correct |
| 34 |
Correct |
1 ms |
340 KB |
Output is correct |
| 35 |
Correct |
1 ms |
332 KB |
Output is correct |
| 36 |
Correct |
1 ms |
340 KB |
Output is correct |
| 37 |
Correct |
1 ms |
372 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
212 KB |
Output is correct |
| 2 |
Correct |
0 ms |
212 KB |
Output is correct |
| 3 |
Correct |
0 ms |
212 KB |
Output is correct |
| 4 |
Correct |
0 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 |
0 ms |
212 KB |
Output is correct |
| 8 |
Correct |
1 ms |
212 KB |
Output is correct |
| 9 |
Correct |
0 ms |
212 KB |
Output is correct |
| 10 |
Correct |
0 ms |
212 KB |
Output is correct |
| 11 |
Correct |
1 ms |
212 KB |
Output is correct |
| 12 |
Correct |
0 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 |
0 ms |
212 KB |
Output is correct |
| 16 |
Correct |
0 ms |
320 KB |
Output is correct |
| 17 |
Correct |
1 ms |
212 KB |
Output is correct |
| 18 |
Correct |
0 ms |
212 KB |
Output is correct |
| 19 |
Correct |
0 ms |
212 KB |
Output is correct |
| 20 |
Correct |
1 ms |
340 KB |
Output is correct |
| 21 |
Correct |
1 ms |
340 KB |
Output is correct |
| 22 |
Correct |
1 ms |
340 KB |
Output is correct |
| 23 |
Correct |
1 ms |
336 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 |
332 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 |
368 KB |
Output is correct |
| 32 |
Correct |
1 ms |
336 KB |
Output is correct |
| 33 |
Correct |
0 ms |
332 KB |
Output is correct |
| 34 |
Correct |
1 ms |
340 KB |
Output is correct |
| 35 |
Correct |
1 ms |
332 KB |
Output is correct |
| 36 |
Correct |
1 ms |
340 KB |
Output is correct |
| 37 |
Correct |
1 ms |
372 KB |
Output is correct |
| 38 |
Correct |
36 ms |
5452 KB |
Output is correct |
| 39 |
Correct |
34 ms |
5448 KB |
Output is correct |
| 40 |
Correct |
31 ms |
5576 KB |
Output is correct |
| 41 |
Correct |
44 ms |
5456 KB |
Output is correct |
| 42 |
Correct |
36 ms |
5464 KB |
Output is correct |
| 43 |
Correct |
36 ms |
5548 KB |
Output is correct |
| 44 |
Correct |
36 ms |
5556 KB |
Output is correct |
| 45 |
Correct |
36 ms |
5452 KB |
Output is correct |
| 46 |
Correct |
35 ms |
5468 KB |
Output is correct |
| 47 |
Correct |
32 ms |
4964 KB |
Output is correct |
| 48 |
Correct |
32 ms |
4968 KB |
Output is correct |
| 49 |
Correct |
30 ms |
4428 KB |
Output is correct |
| 50 |
Correct |
29 ms |
4480 KB |
Output is correct |
| 51 |
Correct |
36 ms |
5456 KB |
Output is correct |
| 52 |
Correct |
36 ms |
5448 KB |
Output is correct |
| 53 |
Correct |
36 ms |
5504 KB |
Output is correct |
| 54 |
Correct |
31 ms |
5456 KB |
Output is correct |
| 55 |
Correct |
36 ms |
5464 KB |
Output is correct |
| 56 |
Correct |
22 ms |
3792 KB |
Output is correct |
| 57 |
Correct |
14 ms |
2004 KB |
Output is correct |
| 58 |
Correct |
22 ms |
3788 KB |
Output is correct |
| 59 |
Correct |
22 ms |
3724 KB |
Output is correct |
| 60 |
Correct |
14 ms |
1984 KB |
Output is correct |
| 61 |
Correct |
22 ms |
3164 KB |
Output is correct |
| 62 |
Correct |
43 ms |
5452 KB |
Output is correct |
| 63 |
Correct |
36 ms |
5456 KB |
Output is correct |
| 64 |
Correct |
36 ms |
5460 KB |
Output is correct |
| 65 |
Correct |
36 ms |
5456 KB |
Output is correct |
| 66 |
Correct |
36 ms |
5456 KB |
Output is correct |
| 67 |
Correct |
36 ms |
5456 KB |
Output is correct |
| 68 |
Correct |
37 ms |
5448 KB |
Output is correct |
| 69 |
Correct |
37 ms |
5460 KB |
Output is correct |
| 70 |
Correct |
38 ms |
5440 KB |
Output is correct |
| 71 |
Correct |
35 ms |
5460 KB |
Output is correct |
| 72 |
Correct |
37 ms |
5468 KB |
Output is correct |
| 73 |
Correct |
35 ms |
5448 KB |
Output is correct |
