답안 #536784

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
536784	2022-03-14T03:19:11 Z	xp875	Self Study (JOI22_ho_t2)	C++17	10 / 100	84 ms	5000 KB

Main

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;

int main() {
	ios_base::sync_with_stdio(0); cin.tie(0); 
	
	ll n, m;
	cin >> n >> m;
	ll a[n], b[n];
	for(int i=0; i<n; i++) cin >> a[i];
	for(int i=0; i<n; i++) cin >> b[i];
	if(m==1) {
		ll ans = (ll)1<<60;
		for(int i=0;i<n; i++) {
			ans = min(ans, max(a[i], b[i]));
		}
		cout << ans;
		return 0;
	}
	
	ll lo = 0, hi = (ll)1<<60;
	while(hi-lo>1) {
		ll x = (lo+hi)/2;
		ll ans = 0;
		for(int i=0; i<n; i++) {
			if(a[i]>b[i]){
				if(x > m*a[i]) ans += m + (x-a[i]*m+b[i]-1)/b[i];
				else ans += (x+a[i]-1)/a[i];
			}
			else ans += (x+b[i]-1)/b[i];
		}
		if(ans <= n*m) lo = x;
		else hi = x;
		
	}
	cout << lo;
	
}

Subtask #1

10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	1 ms	340 KB	Output is correct
11	Correct	59 ms	4948 KB	Output is correct
12	Correct	61 ms	4992 KB	Output is correct
13	Correct	51 ms	4988 KB	Output is correct
14	Correct	50 ms	4948 KB	Output is correct
15	Correct	0 ms	212 KB	Output is correct
16	Correct	29 ms	4948 KB	Output is correct
17	Correct	73 ms	4996 KB	Output is correct
18	Correct	58 ms	5000 KB	Output is correct

Subtask #2

0 / 25.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	29 ms	4948 KB	Output is correct
3	Correct	73 ms	4996 KB	Output is correct
4	Correct	58 ms	5000 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	1 ms	212 KB	Output is correct
7	Correct	1 ms	212 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	84 ms	2644 KB	Output is correct
14	Correct	59 ms	1876 KB	Output is correct
15	Correct	43 ms	1492 KB	Output is correct
16	Correct	36 ms	1236 KB	Output is correct
17	Correct	1 ms	212 KB	Output is correct
18	Correct	0 ms	212 KB	Output is correct
19	Correct	0 ms	212 KB	Output is correct
20	Correct	0 ms	212 KB	Output is correct
21	Correct	0 ms	212 KB	Output is correct
22	Incorrect	6 ms	340 KB	Output isn't correct
23	Halted	0 ms	0 KB	-

Subtask #3

0 / 27.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	1 ms	340 KB	Output is correct
11	Correct	59 ms	4948 KB	Output is correct
12	Correct	61 ms	4992 KB	Output is correct
13	Correct	51 ms	4988 KB	Output is correct
14	Correct	50 ms	4948 KB	Output is correct
15	Correct	0 ms	212 KB	Output is correct
16	Correct	1 ms	212 KB	Output is correct
17	Correct	1 ms	212 KB	Output is correct
18	Correct	0 ms	212 KB	Output is correct
19	Correct	0 ms	212 KB	Output is correct
20	Correct	0 ms	212 KB	Output is correct
21	Correct	0 ms	212 KB	Output is correct
22	Correct	0 ms	212 KB	Output is correct
23	Correct	84 ms	2644 KB	Output is correct
24	Correct	59 ms	1876 KB	Output is correct
25	Correct	43 ms	1492 KB	Output is correct
26	Correct	36 ms	1236 KB	Output is correct
27	Correct	1 ms	212 KB	Output is correct
28	Correct	0 ms	212 KB	Output is correct
29	Correct	0 ms	212 KB	Output is correct
30	Correct	0 ms	212 KB	Output is correct
31	Correct	0 ms	212 KB	Output is correct
32	Incorrect	6 ms	340 KB	Output isn't correct
33	Halted	0 ms	0 KB	-

Subtask #4

0 / 29.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	1 ms	212 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	0 ms	212 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	84 ms	2644 KB	Output is correct
10	Correct	59 ms	1876 KB	Output is correct
11	Correct	43 ms	1492 KB	Output is correct
12	Correct	36 ms	1236 KB	Output is correct
13	Correct	1 ms	212 KB	Output is correct
14	Correct	0 ms	212 KB	Output is correct
15	Correct	0 ms	212 KB	Output is correct
16	Correct	0 ms	212 KB	Output is correct
17	Correct	0 ms	212 KB	Output is correct
18	Incorrect	6 ms	340 KB	Output isn't correct
19	Halted	0 ms	0 KB	-

Subtask #5

0 / 9.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	1 ms	340 KB	Output is correct
11	Correct	59 ms	4948 KB	Output is correct
12	Correct	61 ms	4992 KB	Output is correct
13	Correct	51 ms	4988 KB	Output is correct
14	Correct	50 ms	4948 KB	Output is correct
15	Correct	0 ms	212 KB	Output is correct
16	Correct	1 ms	212 KB	Output is correct
17	Correct	1 ms	212 KB	Output is correct
18	Correct	0 ms	212 KB	Output is correct
19	Correct	0 ms	212 KB	Output is correct
20	Correct	0 ms	212 KB	Output is correct
21	Correct	0 ms	212 KB	Output is correct
22	Correct	0 ms	212 KB	Output is correct
23	Correct	84 ms	2644 KB	Output is correct
24	Correct	59 ms	1876 KB	Output is correct
25	Correct	43 ms	1492 KB	Output is correct
26	Correct	36 ms	1236 KB	Output is correct
27	Correct	1 ms	212 KB	Output is correct
28	Correct	0 ms	212 KB	Output is correct
29	Correct	0 ms	212 KB	Output is correct
30	Correct	0 ms	212 KB	Output is correct
31	Correct	0 ms	212 KB	Output is correct
32	Incorrect	6 ms	340 KB	Output isn't correct
33	Halted	0 ms	0 KB	-