답안 #529921

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
529921	2022-02-24T03:42:11 Z	kevin	Exhibition (JOI19_ho_t2)	C++17	100 / 100	108 ms	9196 KB

joi2019_ho_t2

#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

#	결과	실행 시간	메모리	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

#	결과	실행 시간	메모리	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

#	결과	실행 시간	메모리	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

답안 #529921

Compilation message

Subtask #1 10.0 / 10.0

Subtask #2 40.0 / 40.0

Subtask #3 50.0 / 50.0

Subtask #1
10.0 / 10.0

Subtask #2
40.0 / 40.0

Subtask #3
50.0 / 50.0