답안 #1050912

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1050912 2024-08-09T16:44:57 Z manhlinh1501 Exhibition (JOI19_ho_t2) C++17
100 / 100
55 ms 5848 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];
void compress() {
    vector<int> temp;
    for(int i = 1; i <= N; i++) temp.emplace_back(a[i].first);
    for(int i = 1; i <= M; i++) temp.emplace_back(b[i]);
    sort(ALL(temp));
    for(int i = 1; i <= N; i++) a[i].first = LB(temp, a[i].first);
    for(int i = 1; i <= M; i++) b[i] = LB(temp, b[i]);
}
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);
    compress();
    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:23:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   23 |         freopen(TASK ".inp", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
joi2019_ho_t2.cpp:24:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   24 |         freopen(TASK ".out", "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 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 0 ms 344 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 1 ms 348 KB Output is correct
3 Correct 0 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 0 ms 344 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 348 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 1 ms 344 KB Output is correct
25 Correct 1 ms 344 KB Output is correct
26 Correct 1 ms 344 KB Output is correct
27 Correct 1 ms 348 KB Output is correct
28 Correct 1 ms 348 KB Output is correct
29 Correct 1 ms 344 KB Output is correct
30 Correct 1 ms 348 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 1 ms 344 KB Output is correct
33 Correct 1 ms 344 KB Output is correct
34 Correct 0 ms 472 KB Output is correct
35 Correct 1 ms 348 KB Output is correct
36 Correct 1 ms 500 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 1 ms 348 KB Output is correct
3 Correct 0 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 0 ms 344 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 348 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 1 ms 344 KB Output is correct
25 Correct 1 ms 344 KB Output is correct
26 Correct 1 ms 344 KB Output is correct
27 Correct 1 ms 348 KB Output is correct
28 Correct 1 ms 348 KB Output is correct
29 Correct 1 ms 344 KB Output is correct
30 Correct 1 ms 348 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 1 ms 344 KB Output is correct
33 Correct 1 ms 344 KB Output is correct
34 Correct 0 ms 472 KB Output is correct
35 Correct 1 ms 348 KB Output is correct
36 Correct 1 ms 500 KB Output is correct
37 Correct 1 ms 348 KB Output is correct
38 Correct 48 ms 5588 KB Output is correct
39 Correct 34 ms 5580 KB Output is correct
40 Correct 28 ms 5588 KB Output is correct
41 Correct 49 ms 5596 KB Output is correct
42 Correct 36 ms 5684 KB Output is correct
43 Correct 39 ms 5668 KB Output is correct
44 Correct 48 ms 5584 KB Output is correct
45 Correct 52 ms 5620 KB Output is correct
46 Correct 43 ms 5584 KB Output is correct
47 Correct 44 ms 5072 KB Output is correct
48 Correct 34 ms 5172 KB Output is correct
49 Correct 40 ms 4820 KB Output is correct
50 Correct 34 ms 4828 KB Output is correct
51 Correct 44 ms 5584 KB Output is correct
52 Correct 44 ms 5704 KB Output is correct
53 Correct 48 ms 5600 KB Output is correct
54 Correct 28 ms 5684 KB Output is correct
55 Correct 47 ms 5848 KB Output is correct
56 Correct 30 ms 3808 KB Output is correct
57 Correct 17 ms 2272 KB Output is correct
58 Correct 19 ms 3800 KB Output is correct
59 Correct 30 ms 3844 KB Output is correct
60 Correct 20 ms 2444 KB Output is correct
61 Correct 29 ms 3804 KB Output is correct
62 Correct 52 ms 5448 KB Output is correct
63 Correct 49 ms 5588 KB Output is correct
64 Correct 50 ms 5584 KB Output is correct
65 Correct 50 ms 5584 KB Output is correct
66 Correct 50 ms 5588 KB Output is correct
67 Correct 49 ms 5528 KB Output is correct
68 Correct 49 ms 5588 KB Output is correct
69 Correct 55 ms 5584 KB Output is correct
70 Correct 50 ms 5588 KB Output is correct
71 Correct 46 ms 5588 KB Output is correct
72 Correct 43 ms 5588 KB Output is correct
73 Correct 35 ms 5692 KB Output is correct