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Submission #771349

# Submission time Handle Problem Language Result Execution time Memory
771349 2023-07-02T22:23:11 Z raysh07 Exhibition (JOI19_ho_t2) C++17
100 / 100
 49 ms 2508 KB 
#include <bits/stdc++.h>
using namespace std;
//#define int long long
#define INF (int)1e18
#define f first
#define s second

mt19937_64 RNG(chrono::steady_clock::now().time_since_epoch().count());

int n, m;
vector <int> c;
vector <pair<int, int>> a;
vector <int> num;

bool check(int y){
    int dp = 0;
    // for (auto x : a){
    //     int num = c.end() - lower_bound(c.begin(), c.end(), x.s);
    //     if (num >= y - dp) dp++;
    // }
    
    for (auto x : num){
        if (x >= y - dp) dp++;
    }
    
    return dp >= y;
}

void Solve() 
{
    cin >> n >> m;
    
    a.resize(n);
    c.resize(m);
    for (auto &x : a) cin >> x.s >> x.f;
    sort(a.begin(), a.end());
    num.resize(n);
    
    for (auto &x : c) cin >> x;
    sort(c.begin(), c.end());
    
    for (int i = 0; i < n; i++){
        num[i] = c.end() - lower_bound(c.begin(), c.end(), a[i].s);
    }
    
    int l = 0, r = n;
    while (l != r){
        int mid = (l + r + 1) / 2;
        if (check(mid)) l = mid;
        else r = mid - 1;
    }
    
    cout << l << "\n";
}

int32_t main() 
{
    auto begin = std::chrono::high_resolution_clock::now();
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    int t = 1;
 //   cin >> t;
    for(int i = 1; i <= t; i++) 
    {
        //cout << "Case #" << i << ": ";
        Solve();
    }
    auto end = std::chrono::high_resolution_clock::now();
    auto elapsed = std::chrono::duration_cast<std::chrono::nanoseconds>(end - begin);
    cerr << "Time measured: " << elapsed.count() * 1e-9 << " seconds.\n"; 
    return 0;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 328 KB Output is correct
3 Correct 1 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 324 KB Output is correct
7 Correct 1 ms 324 KB Output is correct
8 Correct 0 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 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 0 ms 324 KB Output is correct
16 Correct 0 ms 332 KB Output is correct
17 Correct 1 ms 324 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct

Subtask #2
40.0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 328 KB Output is correct
3 Correct 1 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 324 KB Output is correct
7 Correct 1 ms 324 KB Output is correct
8 Correct 0 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 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 0 ms 324 KB Output is correct
16 Correct 0 ms 332 KB Output is correct
17 Correct 1 ms 324 KB Output is correct
18 Correct 1 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 336 KB Output is correct
23 Correct 1 ms 340 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 336 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
29 Correct 1 ms 364 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 1 ms 336 KB Output is correct
32 Correct 1 ms 324 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 1 ms 336 KB Output is correct
35 Correct 1 ms 340 KB Output is correct
36 Correct 1 ms 340 KB Output is correct
37 Correct 1 ms 336 KB Output is correct

Subtask #3
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 328 KB Output is correct
3 Correct 1 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 324 KB Output is correct
7 Correct 1 ms 324 KB Output is correct
8 Correct 0 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 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 0 ms 324 KB Output is correct
16 Correct 0 ms 332 KB Output is correct
17 Correct 1 ms 324 KB Output is correct
18 Correct 1 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 336 KB Output is correct
23 Correct 1 ms 340 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 336 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
29 Correct 1 ms 364 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 1 ms 336 KB Output is correct
32 Correct 1 ms 324 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 1 ms 336 KB Output is correct
35 Correct 1 ms 340 KB Output is correct
36 Correct 1 ms 340 KB Output is correct
37 Correct 1 ms 336 KB Output is correct
38 Correct 43 ms 2396 KB Output is correct
39 Correct 38 ms 2396 KB Output is correct
40 Correct 36 ms 2372 KB Output is correct
41 Correct 44 ms 2388 KB Output is correct
42 Correct 42 ms 2508 KB Output is correct
43 Correct 40 ms 2396 KB Output is correct
44 Correct 43 ms 2324 KB Output is correct
45 Correct 47 ms 2408 KB Output is correct
46 Correct 39 ms 2404 KB Output is correct
47 Correct 43 ms 2280 KB Output is correct
48 Correct 41 ms 2280 KB Output is correct
49 Correct 37 ms 2024 KB Output is correct
50 Correct 34 ms 2048 KB Output is correct
51 Correct 39 ms 2408 KB Output is correct
52 Correct 41 ms 2404 KB Output is correct
53 Correct 41 ms 2380 KB Output is correct
54 Correct 35 ms 2400 KB Output is correct
55 Correct 43 ms 2400 KB Output is correct
56 Correct 26 ms 1996 KB Output is correct
57 Correct 14 ms 1236 KB Output is correct
58 Correct 27 ms 1904 KB Output is correct
59 Correct 30 ms 1740 KB Output is correct
60 Correct 15 ms 980 KB Output is correct
61 Correct 28 ms 1332 KB Output is correct
62 Correct 48 ms 1996 KB Output is correct
63 Correct 47 ms 2016 KB Output is correct
64 Correct 48 ms 2016 KB Output is correct
65 Correct 48 ms 1996 KB Output is correct
66 Correct 48 ms 2024 KB Output is correct
67 Correct 48 ms 2016 KB Output is correct
68 Correct 48 ms 1996 KB Output is correct
69 Correct 49 ms 1996 KB Output is correct
70 Correct 49 ms 2016 KB Output is correct
71 Correct 48 ms 2008 KB Output is correct
72 Correct 46 ms 1892 KB Output is correct
73 Correct 43 ms 1900 KB Output is correct