답안 #1018820

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1018820	2024-07-10T10:02:41 Z	vjudge1	Self Study (JOI22_ho_t2)	C++17	100 / 100	155 ms	8540 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	1 ms	344 KB	Output is correct
2	Correct	0 ms	344 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	1 ms	348 KB	Output is correct
11	Correct	77 ms	2652 KB	Output is correct
12	Correct	78 ms	2792 KB	Output is correct
13	Correct	55 ms	2792 KB	Output is correct
14	Correct	41 ms	2652 KB	Output is correct
15	Correct	0 ms	344 KB	Output is correct
16	Correct	20 ms	2816 KB	Output is correct
17	Correct	56 ms	2796 KB	Output is correct
18	Correct	57 ms	2792 KB	Output is correct

Subtask #2
25.0 / 25.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	20 ms	2816 KB	Output is correct
3	Correct	56 ms	2796 KB	Output is correct
4	Correct	57 ms	2792 KB	Output is correct
5	Correct	0 ms	344 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	1 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	34 ms	1628 KB	Output is correct
14	Correct	20 ms	1112 KB	Output is correct
15	Correct	15 ms	860 KB	Output is correct
16	Correct	12 ms	940 KB	Output is correct
17	Correct	1 ms	344 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	1 ms	348 KB	Output is correct
23	Correct	1 ms	592 KB	Output is correct

Subtask #3
27.0 / 27.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	344 KB	Output is correct
2	Correct	0 ms	344 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	1 ms	348 KB	Output is correct
11	Correct	77 ms	2652 KB	Output is correct
12	Correct	78 ms	2792 KB	Output is correct
13	Correct	55 ms	2792 KB	Output is correct
14	Correct	41 ms	2652 KB	Output is correct
15	Correct	0 ms	344 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	344 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	1628 KB	Output is correct
24	Correct	20 ms	1112 KB	Output is correct
25	Correct	15 ms	860 KB	Output is correct
26	Correct	12 ms	940 KB	Output is correct
27	Correct	1 ms	344 KB	Output is correct
28	Correct	0 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	1 ms	592 KB	Output is correct
34	Correct	0 ms	344 KB	Output is correct
35	Correct	20 ms	2816 KB	Output is correct
36	Correct	56 ms	2796 KB	Output is correct
37	Correct	57 ms	2792 KB	Output is correct
38	Correct	0 ms	600 KB	Output is correct
39	Correct	0 ms	348 KB	Output is correct
40	Correct	0 ms	456 KB	Output is correct
41	Correct	0 ms	348 KB	Output is correct
42	Correct	0 ms	460 KB	Output is correct
43	Correct	0 ms	348 KB	Output is correct
44	Correct	0 ms	348 KB	Output is correct
45	Correct	2 ms	348 KB	Output is correct
46	Correct	3 ms	600 KB	Output is correct
47	Correct	1 ms	348 KB	Output is correct
48	Correct	14 ms	1636 KB	Output is correct
49	Correct	0 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	1 ms	348 KB	Output is correct
55	Correct	50 ms	4428 KB	Output is correct
56	Correct	19 ms	2396 KB	Output is correct
57	Correct	20 ms	2396 KB	Output is correct

Subtask #4
29.0 / 29.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	1 ms	344 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	1628 KB	Output is correct
10	Correct	20 ms	1112 KB	Output is correct
11	Correct	15 ms	860 KB	Output is correct
12	Correct	12 ms	940 KB	Output is correct
13	Correct	1 ms	344 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	1 ms	348 KB	Output is correct
19	Correct	1 ms	592 KB	Output is correct
20	Correct	0 ms	344 KB	Output is correct
21	Correct	20 ms	2816 KB	Output is correct
22	Correct	56 ms	2796 KB	Output is correct
23	Correct	57 ms	2792 KB	Output is correct
24	Correct	12 ms	1628 KB	Output is correct
25	Correct	40 ms	3668 KB	Output is correct
26	Correct	7 ms	1112 KB	Output is correct
27	Correct	88 ms	7248 KB	Output is correct
28	Correct	67 ms	7388 KB	Output is correct
29	Correct	87 ms	7196 KB	Output is correct
30	Correct	67 ms	7348 KB	Output is correct
31	Correct	78 ms	7396 KB	Output is correct
32	Correct	42 ms	3932 KB	Output is correct
33	Correct	92 ms	8016 KB	Output is correct
34	Correct	41 ms	3932 KB	Output is correct

Subtask #5
9.0 / 9.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	344 KB	Output is correct
2	Correct	0 ms	344 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	1 ms	348 KB	Output is correct
11	Correct	77 ms	2652 KB	Output is correct
12	Correct	78 ms	2792 KB	Output is correct
13	Correct	55 ms	2792 KB	Output is correct
14	Correct	41 ms	2652 KB	Output is correct
15	Correct	0 ms	344 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	344 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	1628 KB	Output is correct
24	Correct	20 ms	1112 KB	Output is correct
25	Correct	15 ms	860 KB	Output is correct
26	Correct	12 ms	940 KB	Output is correct
27	Correct	1 ms	344 KB	Output is correct
28	Correct	0 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	1 ms	592 KB	Output is correct
34	Correct	0 ms	600 KB	Output is correct
35	Correct	0 ms	348 KB	Output is correct
36	Correct	0 ms	456 KB	Output is correct
37	Correct	0 ms	348 KB	Output is correct
38	Correct	0 ms	460 KB	Output is correct
39	Correct	0 ms	348 KB	Output is correct
40	Correct	0 ms	348 KB	Output is correct
41	Correct	2 ms	348 KB	Output is correct
42	Correct	3 ms	600 KB	Output is correct
43	Correct	1 ms	348 KB	Output is correct
44	Correct	14 ms	1636 KB	Output is correct
45	Correct	0 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	1 ms	348 KB	Output is correct
51	Correct	50 ms	4428 KB	Output is correct
52	Correct	19 ms	2396 KB	Output is correct
53	Correct	20 ms	2396 KB	Output is correct
54	Correct	12 ms	1628 KB	Output is correct
55	Correct	40 ms	3668 KB	Output is correct
56	Correct	7 ms	1112 KB	Output is correct
57	Correct	88 ms	7248 KB	Output is correct
58	Correct	67 ms	7388 KB	Output is correct
59	Correct	87 ms	7196 KB	Output is correct
60	Correct	67 ms	7348 KB	Output is correct
61	Correct	78 ms	7396 KB	Output is correct
62	Correct	42 ms	3932 KB	Output is correct
63	Correct	92 ms	8016 KB	Output is correct
64	Correct	41 ms	3932 KB	Output is correct
65	Correct	0 ms	344 KB	Output is correct
66	Correct	20 ms	2816 KB	Output is correct
67	Correct	56 ms	2796 KB	Output is correct
68	Correct	57 ms	2792 KB	Output is correct
69	Correct	12 ms	1116 KB	Output is correct
70	Correct	3 ms	604 KB	Output is correct
71	Correct	0 ms	348 KB	Output is correct
72	Correct	17 ms	1644 KB	Output is correct
73	Correct	5 ms	604 KB	Output is correct
74	Correct	1 ms	348 KB	Output is correct
75	Correct	87 ms	8540 KB	Output is correct
76	Correct	91 ms	8536 KB	Output is correct
77	Correct	96 ms	8532 KB	Output is correct
78	Correct	111 ms	8408 KB	Output is correct
79	Correct	155 ms	8428 KB	Output is correct
80	Correct	123 ms	8540 KB	Output is correct
81	Correct	72 ms	6372 KB	Output is correct
82	Correct	72 ms	6500 KB	Output is correct

답안 #1018820

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