oj.uz

Submission #529921

# Submission time Handle Problem Language Result Execution time Memory
529921 2022-02-24T03:42:11 Z kevin Exhibition (JOI19_ho_t2) C++17
100 / 100
 108 ms 9196 KB 
#include <bits/stdc++.h>
using namespace std;

#define ll long long
#define nl cout<<"\n"
#define all(x) x.begin(), x.end()
#define f first
#define s second
#define ca(v) for(auto i:v) cout<<i<<" ";

const int MOD = 1e9 + 7;

int main()
{
    ios_base::sync_with_stdio(0); cin.tie(0);
    if (fopen("input.in", "r")) freopen("input.in", "r", stdin);
    int n, m; cin>>n>>m;
    vector<pair<int, int>> ar;
    for(int i=0; i<n; i++){
        int x, v;
        cin>>x>>v;
        ar.push_back({x, v});
    }
    vector<int> sz(m);
    for(int i=0; i<m; i++) cin>>sz[i];
    sort(all(ar));
    sort(all(sz));
    multiset<pair<int, int>> ms;
    for(auto p:ar) ms.insert({p.s, p.f});
    int ans = 0;
    int last = 2e9;
    for(int i=m-1; i>=0; i--){
        while(ar.size() && ar.back().f > sz[i]) {
            auto it = ms.find({ar.back().s, ar.back().f});
            if(it != ms.end()) ms.erase(it);
            ar.pop_back();
        }
        while(ms.size() && ms.rbegin()->f > last) ms.erase(--ms.end());
        if(ms.size()){
            ans++;
            last = ms.rbegin()->f;
            ms.erase(--ms.end());
        }
    }
    cout<<ans;
}

Compilation message

joi2019_ho_t2.cpp: In function 'int main()':
joi2019_ho_t2.cpp:16:40: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   16 |     if (fopen("input.in", "r")) freopen("input.in", "r", stdin);
      |                                 ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 312 KB Output is correct
4 Correct 1 ms 316 KB Output is correct
5 Correct 1 ms 312 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 0 ms 204 KB Output is correct
10 Correct 0 ms 312 KB Output is correct
11 Correct 0 ms 204 KB Output is correct
12 Correct 0 ms 204 KB Output is correct
13 Correct 0 ms 312 KB Output is correct
14 Correct 0 ms 204 KB Output is correct
15 Correct 0 ms 204 KB Output is correct
16 Correct 1 ms 204 KB Output is correct
17 Correct 1 ms 204 KB Output is correct
18 Correct 1 ms 204 KB Output is correct
19 Correct 1 ms 204 KB Output is correct

Subtask #2
40.0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 312 KB Output is correct
4 Correct 1 ms 316 KB Output is correct
5 Correct 1 ms 312 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 0 ms 204 KB Output is correct
10 Correct 0 ms 312 KB Output is correct
11 Correct 0 ms 204 KB Output is correct
12 Correct 0 ms 204 KB Output is correct
13 Correct 0 ms 312 KB Output is correct
14 Correct 0 ms 204 KB Output is correct
15 Correct 0 ms 204 KB Output is correct
16 Correct 1 ms 204 KB Output is correct
17 Correct 1 ms 204 KB Output is correct
18 Correct 1 ms 204 KB Output is correct
19 Correct 1 ms 204 KB Output is correct
20 Correct 2 ms 328 KB Output is correct
21 Correct 1 ms 332 KB Output is correct
22 Correct 1 ms 332 KB Output is correct
23 Correct 1 ms 332 KB Output is correct
24 Correct 2 ms 332 KB Output is correct
25 Correct 2 ms 332 KB Output is correct
26 Correct 1 ms 332 KB Output is correct
27 Correct 1 ms 356 KB Output is correct
28 Correct 2 ms 356 KB Output is correct
29 Correct 1 ms 332 KB Output is correct
30 Correct 1 ms 332 KB Output is correct
31 Correct 1 ms 332 KB Output is correct
32 Correct 1 ms 332 KB Output is correct
33 Correct 1 ms 204 KB Output is correct
34 Correct 1 ms 332 KB Output is correct
35 Correct 1 ms 320 KB Output is correct
36 Correct 1 ms 332 KB Output is correct
37 Correct 1 ms 332 KB Output is correct

Subtask #3
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 312 KB Output is correct
4 Correct 1 ms 316 KB Output is correct
5 Correct 1 ms 312 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 0 ms 204 KB Output is correct
10 Correct 0 ms 312 KB Output is correct
11 Correct 0 ms 204 KB Output is correct
12 Correct 0 ms 204 KB Output is correct
13 Correct 0 ms 312 KB Output is correct
14 Correct 0 ms 204 KB Output is correct
15 Correct 0 ms 204 KB Output is correct
16 Correct 1 ms 204 KB Output is correct
17 Correct 1 ms 204 KB Output is correct
18 Correct 1 ms 204 KB Output is correct
19 Correct 1 ms 204 KB Output is correct
20 Correct 2 ms 328 KB Output is correct
21 Correct 1 ms 332 KB Output is correct
22 Correct 1 ms 332 KB Output is correct
23 Correct 1 ms 332 KB Output is correct
24 Correct 2 ms 332 KB Output is correct
25 Correct 2 ms 332 KB Output is correct
26 Correct 1 ms 332 KB Output is correct
27 Correct 1 ms 356 KB Output is correct
28 Correct 2 ms 356 KB Output is correct
29 Correct 1 ms 332 KB Output is correct
30 Correct 1 ms 332 KB Output is correct
31 Correct 1 ms 332 KB Output is correct
32 Correct 1 ms 332 KB Output is correct
33 Correct 1 ms 204 KB Output is correct
34 Correct 1 ms 332 KB Output is correct
35 Correct 1 ms 320 KB Output is correct
36 Correct 1 ms 332 KB Output is correct
37 Correct 1 ms 332 KB Output is correct
38 Correct 73 ms 9088 KB Output is correct
39 Correct 64 ms 8988 KB Output is correct
40 Correct 60 ms 9092 KB Output is correct
41 Correct 69 ms 9016 KB Output is correct
42 Correct 75 ms 9024 KB Output is correct
43 Correct 77 ms 9052 KB Output is correct
44 Correct 63 ms 9012 KB Output is correct
45 Correct 73 ms 9020 KB Output is correct
46 Correct 66 ms 9036 KB Output is correct
47 Correct 83 ms 8572 KB Output is correct
48 Correct 71 ms 8552 KB Output is correct
49 Correct 57 ms 6800 KB Output is correct
50 Correct 50 ms 6740 KB Output is correct
51 Correct 86 ms 9020 KB Output is correct
52 Correct 86 ms 9088 KB Output is correct
53 Correct 90 ms 8964 KB Output is correct
54 Correct 57 ms 9024 KB Output is correct
55 Correct 69 ms 9036 KB Output is correct
56 Correct 63 ms 7680 KB Output is correct
57 Correct 19 ms 1576 KB Output is correct
58 Correct 48 ms 7676 KB Output is correct
59 Correct 71 ms 7656 KB Output is correct
60 Correct 16 ms 1680 KB Output is correct
61 Correct 34 ms 4244 KB Output is correct
62 Correct 84 ms 9172 KB Output is correct
63 Correct 107 ms 8980 KB Output is correct
64 Correct 80 ms 9048 KB Output is correct
65 Correct 79 ms 9016 KB Output is correct
66 Correct 87 ms 9088 KB Output is correct
67 Correct 99 ms 9024 KB Output is correct
68 Correct 97 ms 8996 KB Output is correct
69 Correct 82 ms 9028 KB Output is correct
70 Correct 91 ms 9196 KB Output is correct
71 Correct 108 ms 9020 KB Output is correct
72 Correct 70 ms 9024 KB Output is correct
73 Correct 64 ms 9088 KB Output is correct