#include <bits/stdc++.h>
using namespace std;
#define task "test"
#define FOR(i, a, b) for(int i = (a); i <= (b); ++i)
#define FORD(i, a, b) for(int i = (a); i >= (b); --i)
#define sz(a) (int)(a).size()
#define all(a) (a).begin(), (a).end()
#define bit(s, i) (((s) >> (i)) & 1)
#define ii pair <int, int>
#define vii vector <ii>
#define vi vector <int>
#define fi first
#define se second
#define ll long long
#define eb emplace_back
#define pb push_back
#define __builtin_popcount __builtin_popcountll
void solve();
int32_t main() {
if(fopen(task".inp", "r")) {
freopen(task".inp", "r", stdin);
freopen(task".out", "w", stdout);
}
cin.tie(0)->sync_with_stdio(0);
int tc = 1; // cin >> tc;
FOR(i, 1, tc) {
solve();
}
}
const int N = 100100;
int n, m, frame[N];
ii pic[N];
void solve() {
cin >> n >> m;
FOR(i, 1, n) cin >> pic[i].fi >> pic[i].se;
FOR(i, 1, m) cin >> frame[i];
sort(pic+1, pic+1+n, [] (ii x, ii y) {return x.se < y.se || (x.se == y.se && x.fi < y.fi);});
sort(frame+1, frame+1+m);
int pt1 = n, ans = 0;
FORD(i, m, 1) {
while(pic[pt1].fi > frame[i]) --pt1;
if(pt1>0 && pic[pt1].fi <= frame[i]) {
++ans;
--pt1;
}
}
cout << ans;
}
Compilation message
joi2019_ho_t2.cpp: In function 'int32_t main()':
joi2019_ho_t2.cpp:25:10: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
25 | freopen(task".inp", "r", stdin);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
joi2019_ho_t2.cpp:26:10: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
26 | freopen(task".out", "w", stdout);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
1 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
1 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
460 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
0 ms |
348 KB |
Output is correct |
12 |
Correct |
0 ms |
348 KB |
Output is correct |
13 |
Correct |
0 ms |
348 KB |
Output is correct |
14 |
Correct |
0 ms |
348 KB |
Output is correct |
15 |
Correct |
0 ms |
348 KB |
Output is correct |
16 |
Correct |
0 ms |
348 KB |
Output is correct |
17 |
Correct |
0 ms |
348 KB |
Output is correct |
18 |
Correct |
0 ms |
348 KB |
Output is correct |
19 |
Correct |
0 ms |
348 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
1 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
1 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
460 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
0 ms |
348 KB |
Output is correct |
12 |
Correct |
0 ms |
348 KB |
Output is correct |
13 |
Correct |
0 ms |
348 KB |
Output is correct |
14 |
Correct |
0 ms |
348 KB |
Output is correct |
15 |
Correct |
0 ms |
348 KB |
Output is correct |
16 |
Correct |
0 ms |
348 KB |
Output is correct |
17 |
Correct |
0 ms |
348 KB |
Output is correct |
18 |
Correct |
0 ms |
348 KB |
Output is correct |
19 |
Correct |
0 ms |
348 KB |
Output is correct |
20 |
Correct |
1 ms |
348 KB |
Output is correct |
21 |
Correct |
1 ms |
512 KB |
Output is correct |
22 |
Correct |
1 ms |
348 KB |
Output is correct |
23 |
Correct |
1 ms |
344 KB |
Output is correct |
24 |
Correct |
1 ms |
348 KB |
Output is correct |
25 |
Correct |
1 ms |
348 KB |
Output is correct |
26 |
Correct |
1 ms |
500 KB |
Output is correct |
27 |
Correct |
1 ms |
348 KB |
Output is correct |
28 |
Correct |
1 ms |
348 KB |
Output is correct |
29 |
Correct |
0 ms |
500 KB |
Output is correct |
30 |
Correct |
1 ms |
348 KB |
Output is correct |
31 |
Correct |
1 ms |
348 KB |
Output is correct |
32 |
Correct |
1 ms |
348 KB |
Output is correct |
33 |
Correct |
0 ms |
348 KB |
Output is correct |
34 |
Correct |
1 ms |
348 KB |
Output is correct |
35 |
Correct |
1 ms |
344 KB |
Output is correct |
36 |
Correct |
0 ms |
348 KB |
Output is correct |
37 |
Correct |
1 ms |
348 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
1 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
1 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
460 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
0 ms |
348 KB |
Output is correct |
12 |
Correct |
0 ms |
348 KB |
Output is correct |
13 |
Correct |
0 ms |
348 KB |
Output is correct |
14 |
Correct |
0 ms |
348 KB |
Output is correct |
15 |
Correct |
0 ms |
348 KB |
Output is correct |
16 |
Correct |
0 ms |
348 KB |
Output is correct |
17 |
Correct |
0 ms |
348 KB |
Output is correct |
18 |
Correct |
0 ms |
348 KB |
Output is correct |
19 |
Correct |
0 ms |
348 KB |
Output is correct |
20 |
Correct |
1 ms |
348 KB |
Output is correct |
21 |
Correct |
1 ms |
512 KB |
Output is correct |
22 |
Correct |
1 ms |
348 KB |
Output is correct |
23 |
Correct |
1 ms |
344 KB |
Output is correct |
24 |
Correct |
1 ms |
348 KB |
Output is correct |
25 |
Correct |
1 ms |
348 KB |
Output is correct |
26 |
Correct |
1 ms |
500 KB |
Output is correct |
27 |
Correct |
1 ms |
348 KB |
Output is correct |
28 |
Correct |
1 ms |
348 KB |
Output is correct |
29 |
Correct |
0 ms |
500 KB |
Output is correct |
30 |
Correct |
1 ms |
348 KB |
Output is correct |
31 |
Correct |
1 ms |
348 KB |
Output is correct |
32 |
Correct |
1 ms |
348 KB |
Output is correct |
33 |
Correct |
0 ms |
348 KB |
Output is correct |
34 |
Correct |
1 ms |
348 KB |
Output is correct |
35 |
Correct |
1 ms |
344 KB |
Output is correct |
36 |
Correct |
0 ms |
348 KB |
Output is correct |
37 |
Correct |
1 ms |
348 KB |
Output is correct |
38 |
Correct |
35 ms |
4432 KB |
Output is correct |
39 |
Correct |
30 ms |
4432 KB |
Output is correct |
40 |
Correct |
27 ms |
4348 KB |
Output is correct |
41 |
Correct |
33 ms |
4444 KB |
Output is correct |
42 |
Correct |
32 ms |
4448 KB |
Output is correct |
43 |
Correct |
32 ms |
4304 KB |
Output is correct |
44 |
Correct |
32 ms |
4504 KB |
Output is correct |
45 |
Correct |
33 ms |
4316 KB |
Output is correct |
46 |
Correct |
34 ms |
4432 KB |
Output is correct |
47 |
Correct |
40 ms |
4084 KB |
Output is correct |
48 |
Correct |
29 ms |
3928 KB |
Output is correct |
49 |
Correct |
28 ms |
3676 KB |
Output is correct |
50 |
Correct |
28 ms |
3572 KB |
Output is correct |
51 |
Correct |
37 ms |
4444 KB |
Output is correct |
52 |
Correct |
34 ms |
4440 KB |
Output is correct |
53 |
Correct |
34 ms |
4444 KB |
Output is correct |
54 |
Correct |
27 ms |
4444 KB |
Output is correct |
55 |
Correct |
32 ms |
4444 KB |
Output is correct |
56 |
Correct |
21 ms |
3164 KB |
Output is correct |
57 |
Correct |
13 ms |
1684 KB |
Output is correct |
58 |
Correct |
20 ms |
3160 KB |
Output is correct |
59 |
Correct |
21 ms |
3164 KB |
Output is correct |
60 |
Correct |
13 ms |
1624 KB |
Output is correct |
61 |
Correct |
20 ms |
2548 KB |
Output is correct |
62 |
Correct |
34 ms |
4440 KB |
Output is correct |
63 |
Correct |
40 ms |
4432 KB |
Output is correct |
64 |
Correct |
40 ms |
4384 KB |
Output is correct |
65 |
Correct |
34 ms |
4432 KB |
Output is correct |
66 |
Correct |
34 ms |
4444 KB |
Output is correct |
67 |
Correct |
34 ms |
4356 KB |
Output is correct |
68 |
Correct |
34 ms |
4436 KB |
Output is correct |
69 |
Correct |
34 ms |
4324 KB |
Output is correct |
70 |
Correct |
35 ms |
4432 KB |
Output is correct |
71 |
Correct |
33 ms |
4432 KB |
Output is correct |
72 |
Correct |
33 ms |
4444 KB |
Output is correct |
73 |
Correct |
31 ms |
4528 KB |
Output is correct |