답안 #1018831

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1018831	2024-07-10T10:05:15 Z	vjudge1	Self Study (JOI22_ho_t2)	C++17	100 / 100	126 ms	2904 KB

Main

#include "bits/stdc++.h"
using namespace std;
 
#define ar array
typedef long long ll;

//~ #define int ll

signed main() {
  ios::sync_with_stdio(0); cin.tie(0);
  
  int n, m; cin >> n >> m;
  
  vector<int> a(n), b(n);
  
  for(int i=0;i<n;i++){
    cin >> a[i];
  }
  
  for(int i=0;i<n;i++){
    cin >> b[i];
  }
  
  auto check = [&](ll p){
    ll t = 0;
    
    for(int i=0;i<n;i++){
      if(b[i] > a[i]){
        // не выгодно идти на лекции
        ll b_ = (p + b[i] - 1) / b[i];
        // нужно b_ времени чтобы понять на как минимум p
        t += b_;
      } else {
        if(a[i] * 1ll * m >= p){
          // выгодно идти на лекции, и лекций хватает чтобы понять на р
          ll a_ = (p + a[i] - 1) / a[i];
          // нужно а_ времеи чтобы понять на как минимум р
          
          t += a_;
        } else {
          // выгодно идти на лекции, но лекция не хватает чтобы понять на р
          ll a_ = m;
          ll b_ = (p - a[i] * 1ll * a_ + b[i] - 1) / b[i];
          
          t += a_ + b_;
        }
      }
      
      if(t > n * 1ll * m) return false;
    }
    
    if(t <= n * 1ll * m) return true;
    else return false;
  };
  
  ll l = 1, r = 1e18 + 1;
  while(r - l > 1){
    ll m = (l + r) >> 1;
    
    if(check(m)) l = m;
    else r = m;
  }
  
  if(check(r)) cout<<r<<"\n";
  else cout<<l<<"\n";
}

Subtask #1
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 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	1 ms	344 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	1 ms	348 KB	Output is correct
11	Correct	84 ms	2652 KB	Output is correct
12	Correct	86 ms	2652 KB	Output is correct
13	Correct	52 ms	2648 KB	Output is correct
14	Correct	43 ms	2652 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	22 ms	2796 KB	Output is correct
17	Correct	68 ms	2648 KB	Output is correct
18	Correct	59 ms	2792 KB	Output is correct

Subtask #2
25.0 / 25.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	22 ms	2796 KB	Output is correct
3	Correct	68 ms	2648 KB	Output is correct
4	Correct	59 ms	2792 KB	Output is correct
5	Correct	1 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	1 ms	348 KB	Output is correct
8	Correct	0 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	34 ms	1564 KB	Output is correct
14	Correct	21 ms	1112 KB	Output is correct
15	Correct	15 ms	860 KB	Output is correct
16	Correct	13 ms	860 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	1 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	1 ms	348 KB	Output is correct
23	Correct	2 ms	488 KB	Output is correct

Subtask #3
27.0 / 27.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 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	1 ms	344 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	1 ms	348 KB	Output is correct
11	Correct	84 ms	2652 KB	Output is correct
12	Correct	86 ms	2652 KB	Output is correct
13	Correct	52 ms	2648 KB	Output is correct
14	Correct	43 ms	2652 KB	Output is correct
15	Correct	1 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	34 ms	1564 KB	Output is correct
24	Correct	21 ms	1112 KB	Output is correct
25	Correct	15 ms	860 KB	Output is correct
26	Correct	13 ms	860 KB	Output is correct
27	Correct	0 ms	348 KB	Output is correct
28	Correct	1 ms	348 KB	Output is correct
29	Correct	0 ms	348 KB	Output is correct
30	Correct	0 ms	348 KB	Output is correct
31	Correct	0 ms	348 KB	Output is correct
32	Correct	1 ms	348 KB	Output is correct
33	Correct	2 ms	488 KB	Output is correct
34	Correct	0 ms	348 KB	Output is correct
35	Correct	22 ms	2796 KB	Output is correct
36	Correct	68 ms	2648 KB	Output is correct
37	Correct	59 ms	2792 KB	Output is correct
38	Correct	0 ms	344 KB	Output is correct
39	Correct	1 ms	344 KB	Output is correct
40	Correct	0 ms	348 KB	Output is correct
41	Correct	0 ms	348 KB	Output is correct
42	Correct	0 ms	348 KB	Output is correct
43	Correct	1 ms	348 KB	Output is correct
44	Correct	0 ms	348 KB	Output is correct
45	Correct	1 ms	384 KB	Output is correct
46	Correct	2 ms	348 KB	Output is correct
47	Correct	1 ms	348 KB	Output is correct
48	Correct	18 ms	860 KB	Output is correct
49	Correct	1 ms	348 KB	Output is correct
50	Correct	0 ms	348 KB	Output is correct
51	Correct	2 ms	348 KB	Output is correct
52	Correct	0 ms	348 KB	Output is correct
53	Correct	0 ms	348 KB	Output is correct
54	Correct	0 ms	348 KB	Output is correct
55	Correct	42 ms	1640 KB	Output is correct
56	Correct	17 ms	1116 KB	Output is correct
57	Correct	23 ms	1116 KB	Output is correct

Subtask #4
29.0 / 29.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	348 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	0 ms	348 KB	Output is correct
9	Correct	34 ms	1564 KB	Output is correct
10	Correct	21 ms	1112 KB	Output is correct
11	Correct	15 ms	860 KB	Output is correct
12	Correct	13 ms	860 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	1 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	1 ms	348 KB	Output is correct
19	Correct	2 ms	488 KB	Output is correct
20	Correct	0 ms	348 KB	Output is correct
21	Correct	22 ms	2796 KB	Output is correct
22	Correct	68 ms	2648 KB	Output is correct
23	Correct	59 ms	2792 KB	Output is correct
24	Correct	17 ms	600 KB	Output is correct
25	Correct	32 ms	1624 KB	Output is correct
26	Correct	7 ms	604 KB	Output is correct
27	Correct	59 ms	2652 KB	Output is correct
28	Correct	63 ms	2652 KB	Output is correct
29	Correct	60 ms	2648 KB	Output is correct
30	Correct	65 ms	2652 KB	Output is correct
31	Correct	72 ms	2648 KB	Output is correct
32	Correct	42 ms	2648 KB	Output is correct
33	Correct	87 ms	2904 KB	Output is correct
34	Correct	41 ms	2652 KB	Output is correct

Subtask #5
9.0 / 9.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 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	1 ms	344 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	1 ms	348 KB	Output is correct
11	Correct	84 ms	2652 KB	Output is correct
12	Correct	86 ms	2652 KB	Output is correct
13	Correct	52 ms	2648 KB	Output is correct
14	Correct	43 ms	2652 KB	Output is correct
15	Correct	1 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	34 ms	1564 KB	Output is correct
24	Correct	21 ms	1112 KB	Output is correct
25	Correct	15 ms	860 KB	Output is correct
26	Correct	13 ms	860 KB	Output is correct
27	Correct	0 ms	348 KB	Output is correct
28	Correct	1 ms	348 KB	Output is correct
29	Correct	0 ms	348 KB	Output is correct
30	Correct	0 ms	348 KB	Output is correct
31	Correct	0 ms	348 KB	Output is correct
32	Correct	1 ms	348 KB	Output is correct
33	Correct	2 ms	488 KB	Output is correct
34	Correct	0 ms	344 KB	Output is correct
35	Correct	1 ms	344 KB	Output is correct
36	Correct	0 ms	348 KB	Output is correct
37	Correct	0 ms	348 KB	Output is correct
38	Correct	0 ms	348 KB	Output is correct
39	Correct	1 ms	348 KB	Output is correct
40	Correct	0 ms	348 KB	Output is correct
41	Correct	1 ms	384 KB	Output is correct
42	Correct	2 ms	348 KB	Output is correct
43	Correct	1 ms	348 KB	Output is correct
44	Correct	18 ms	860 KB	Output is correct
45	Correct	1 ms	348 KB	Output is correct
46	Correct	0 ms	348 KB	Output is correct
47	Correct	2 ms	348 KB	Output is correct
48	Correct	0 ms	348 KB	Output is correct
49	Correct	0 ms	348 KB	Output is correct
50	Correct	0 ms	348 KB	Output is correct
51	Correct	42 ms	1640 KB	Output is correct
52	Correct	17 ms	1116 KB	Output is correct
53	Correct	23 ms	1116 KB	Output is correct
54	Correct	17 ms	600 KB	Output is correct
55	Correct	32 ms	1624 KB	Output is correct
56	Correct	7 ms	604 KB	Output is correct
57	Correct	59 ms	2652 KB	Output is correct
58	Correct	63 ms	2652 KB	Output is correct
59	Correct	60 ms	2648 KB	Output is correct
60	Correct	65 ms	2652 KB	Output is correct
61	Correct	72 ms	2648 KB	Output is correct
62	Correct	42 ms	2648 KB	Output is correct
63	Correct	87 ms	2904 KB	Output is correct
64	Correct	41 ms	2652 KB	Output is correct
65	Correct	0 ms	348 KB	Output is correct
66	Correct	22 ms	2796 KB	Output is correct
67	Correct	68 ms	2648 KB	Output is correct
68	Correct	59 ms	2792 KB	Output is correct
69	Correct	12 ms	604 KB	Output is correct
70	Correct	3 ms	520 KB	Output is correct
71	Correct	0 ms	348 KB	Output is correct
72	Correct	17 ms	604 KB	Output is correct
73	Correct	3 ms	348 KB	Output is correct
74	Correct	0 ms	348 KB	Output is correct
75	Correct	84 ms	2652 KB	Output is correct
76	Correct	93 ms	2652 KB	Output is correct
77	Correct	96 ms	2648 KB	Output is correct
78	Correct	107 ms	2788 KB	Output is correct
79	Correct	121 ms	2652 KB	Output is correct
80	Correct	126 ms	2648 KB	Output is correct
81	Correct	71 ms	2648 KB	Output is correct
82	Correct	72 ms	2648 KB	Output is correct

답안 #1018831

Compilation message

Subtask #1 10.0 / 10.0

Subtask #2 25.0 / 25.0

Subtask #3 27.0 / 27.0

Subtask #4 29.0 / 29.0

Subtask #5 9.0 / 9.0

Subtask #1
10.0 / 10.0

Subtask #2
25.0 / 25.0

Subtask #3
27.0 / 27.0

Subtask #4
29.0 / 29.0

Subtask #5
9.0 / 9.0