oj.uz

Submission #1050913

# Submission time Handle Problem Language Result Execution time Memory
1050913 2024-08-09T16:45:20 Z manhlinh1501 Exhibition (JOI19_ho_t2) C++17
100 / 100
 34 ms 1632 KB 
#include <bits/stdc++.h>
using namespace std;
using i64 = long long;
using pii = pair<int, int>;
const int MAXN = 1e5 + 5;
#define ALL(a) (a).begin(), (a).end()
#define LB(a, x) (lower_bound(ALL(a), x) - (a).begin() + 1)
int N, M;
pii a[MAXN];
int b[MAXN];
signed main() {
#define TASK "code"

    if (fopen(TASK ".inp", "r")) {
        freopen(TASK ".inp", "r", stdin);
        freopen(TASK ".out", "w", stdout);
    }

    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    cin >> N >> M;
    for(int i = 1; i <= N; i++) cin >> a[i].first >> a[i].second;
    for(int i = 1; i <= M; i++) cin >> b[i];
    sort(a + 1, a + N + 1, [&](const pii a, const pii b) {
        if(a.second != b.second) return a.second < b.second;
        return a.first < b.first;
    });
    sort(b + 1, b + M + 1);
    int j = N;
    int ans = 0;
    for(int i = M; i >= 1; i--) {
        while(j >= 1 and a[j].first > b[i])
            j--;
        if(j > 0 and a[j].first <= b[i]) {
            j--;
            ans++;
        }
    }
    cout << ans;
    return (0 ^ 0);
}

Compilation message

joi2019_ho_t2.cpp: In function 'int main()':
joi2019_ho_t2.cpp:15:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   15 |         freopen(TASK ".inp", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
joi2019_ho_t2.cpp:16:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   16 |         freopen(TASK ".out", "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory 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 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 1 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 1 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct

Subtask #2
40.0 / 40.0

# Verdict Execution time Memory 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 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 1 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 1 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 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 1 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 1 ms 348 KB Output is correct
31 Correct 1 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 0 ms 348 KB Output is correct
36 Correct 0 ms 348 KB Output is correct
37 Correct 1 ms 348 KB Output is correct

Subtask #3
50.0 / 50.0

# Verdict Execution time Memory 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 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 1 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 1 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 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 1 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 1 ms 348 KB Output is correct
31 Correct 1 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 0 ms 348 KB Output is correct
36 Correct 0 ms 348 KB Output is correct
37 Correct 1 ms 348 KB Output is correct
38 Correct 26 ms 1500 KB Output is correct
39 Correct 24 ms 1624 KB Output is correct
40 Correct 22 ms 1624 KB Output is correct
41 Correct 26 ms 1628 KB Output is correct
42 Correct 26 ms 1372 KB Output is correct
43 Correct 26 ms 1372 KB Output is correct
44 Correct 26 ms 1624 KB Output is correct
45 Correct 26 ms 1628 KB Output is correct
46 Correct 25 ms 1624 KB Output is correct
47 Correct 24 ms 1372 KB Output is correct
48 Correct 23 ms 1372 KB Output is correct
49 Correct 21 ms 1404 KB Output is correct
50 Correct 21 ms 1372 KB Output is correct
51 Correct 26 ms 1628 KB Output is correct
52 Correct 26 ms 1372 KB Output is correct
53 Correct 26 ms 1628 KB Output is correct
54 Correct 21 ms 1628 KB Output is correct
55 Correct 26 ms 1628 KB Output is correct
56 Correct 16 ms 1244 KB Output is correct
57 Correct 11 ms 604 KB Output is correct
58 Correct 18 ms 1020 KB Output is correct
59 Correct 16 ms 1112 KB Output is correct
60 Correct 11 ms 856 KB Output is correct
61 Correct 16 ms 992 KB Output is correct
62 Correct 31 ms 1628 KB Output is correct
63 Correct 27 ms 1628 KB Output is correct
64 Correct 26 ms 1372 KB Output is correct
65 Correct 26 ms 1628 KB Output is correct
66 Correct 26 ms 1628 KB Output is correct
67 Correct 27 ms 1628 KB Output is correct
68 Correct 28 ms 1372 KB Output is correct
69 Correct 34 ms 1576 KB Output is correct
70 Correct 31 ms 1624 KB Output is correct
71 Correct 26 ms 1624 KB Output is correct
72 Correct 27 ms 1628 KB Output is correct
73 Correct 25 ms 1632 KB Output is correct