Submission #969185

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
969185	2024-04-24T16:13:00 Z	yellowtoad	Self Study (JOI22_ho_t2)	C++17	0 / 100	360 ms	10904 KB

Main

#include <iostream>
#include <algorithm>
#define f first
#define s second
using namespace std;

long long n, m, a[300010], b[300010], l = 0, r = 9e18, mid, cnt, req;

bool check() {
	cnt = req = 0;
	for (int i = 1; i <= n; i++) {
		if (b[i] > a[i]) {
			cnt += m;
			req += (mid+b[i]-1)/b[i];
		} else {
			if (a[i]*m >= mid) cnt += (a[i]*m-mid)/a[i];
			else req += (mid-a[i]*m+b[i]-1)/b[i];
		}
	}
	if (cnt < req) return 0;
	else return 1;
}

int main() {
	cin >> n >> m;
	for (int i = 1; i <= n; i++) cin >> a[i];
	for (int i = 1; i <= n; i++) cin >> b[i];
	while (l <= r) {
		mid = (l+r)/2;
		if (!check()) r = mid-1;
		else l = mid+1;
	}
	cout << r << endl;
}

Subtask #1

0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	2396 KB	Output is correct
2	Correct	1 ms	2396 KB	Output is correct
3	Correct	0 ms	2396 KB	Output is correct
4	Correct	1 ms	2396 KB	Output is correct
5	Correct	1 ms	2392 KB	Output is correct
6	Correct	1 ms	2392 KB	Output is correct
7	Correct	1 ms	2396 KB	Output is correct
8	Correct	1 ms	2396 KB	Output is correct
9	Correct	1 ms	2396 KB	Output is correct
10	Correct	5 ms	2396 KB	Output is correct
11	Correct	285 ms	10904 KB	Output is correct
12	Correct	276 ms	10832 KB	Output is correct
13	Correct	222 ms	8784 KB	Output is correct
14	Incorrect	360 ms	8936 KB	Output isn't correct
15	Halted	0 ms	0 KB	-

Subtask #2

0 / 25.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	2396 KB	Output is correct
2	Correct	1 ms	2392 KB	Output is correct
3	Correct	0 ms	2396 KB	Output is correct
4	Correct	0 ms	2396 KB	Output is correct
5	Correct	1 ms	2396 KB	Output is correct
6	Correct	1 ms	2396 KB	Output is correct
7	Correct	1 ms	2396 KB	Output is correct
8	Correct	1 ms	2396 KB	Output is correct
9	Correct	141 ms	7448 KB	Output is correct
10	Correct	90 ms	6636 KB	Output is correct
11	Correct	68 ms	5980 KB	Output is correct
12	Correct	54 ms	5864 KB	Output is correct
13	Correct	1 ms	2396 KB	Output is correct
14	Correct	1 ms	2396 KB	Output is correct
15	Correct	1 ms	2396 KB	Output is correct
16	Correct	1 ms	2396 KB	Output is correct
17	Correct	1 ms	2396 KB	Output is correct
18	Incorrect	6 ms	2396 KB	Output isn't correct
19	Halted	0 ms	0 KB	-

Subtask #3

0 / 27.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	2396 KB	Output is correct
2	Correct	1 ms	2396 KB	Output is correct
3	Correct	0 ms	2396 KB	Output is correct
4	Correct	1 ms	2396 KB	Output is correct
5	Correct	1 ms	2392 KB	Output is correct
6	Correct	1 ms	2392 KB	Output is correct
7	Correct	1 ms	2396 KB	Output is correct
8	Correct	1 ms	2396 KB	Output is correct
9	Correct	1 ms	2396 KB	Output is correct
10	Correct	5 ms	2396 KB	Output is correct
11	Correct	285 ms	10904 KB	Output is correct
12	Correct	276 ms	10832 KB	Output is correct
13	Correct	222 ms	8784 KB	Output is correct
14	Incorrect	360 ms	8936 KB	Output isn't correct
15	Halted	0 ms	0 KB	-

Subtask #4

0 / 29.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	2396 KB	Output is correct
2	Correct	1 ms	2392 KB	Output is correct
3	Correct	0 ms	2396 KB	Output is correct
4	Correct	0 ms	2396 KB	Output is correct
5	Correct	1 ms	2396 KB	Output is correct
6	Correct	1 ms	2396 KB	Output is correct
7	Correct	1 ms	2396 KB	Output is correct
8	Correct	1 ms	2396 KB	Output is correct
9	Correct	141 ms	7448 KB	Output is correct
10	Correct	90 ms	6636 KB	Output is correct
11	Correct	68 ms	5980 KB	Output is correct
12	Correct	54 ms	5864 KB	Output is correct
13	Correct	1 ms	2396 KB	Output is correct
14	Correct	1 ms	2396 KB	Output is correct
15	Correct	1 ms	2396 KB	Output is correct
16	Correct	1 ms	2396 KB	Output is correct
17	Correct	1 ms	2396 KB	Output is correct
18	Incorrect	6 ms	2396 KB	Output isn't correct
19	Halted	0 ms	0 KB	-

Subtask #5

0 / 9.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	2396 KB	Output is correct
2	Correct	1 ms	2396 KB	Output is correct
3	Correct	0 ms	2396 KB	Output is correct
4	Correct	1 ms	2396 KB	Output is correct
5	Correct	1 ms	2392 KB	Output is correct
6	Correct	1 ms	2392 KB	Output is correct
7	Correct	1 ms	2396 KB	Output is correct
8	Correct	1 ms	2396 KB	Output is correct
9	Correct	1 ms	2396 KB	Output is correct
10	Correct	5 ms	2396 KB	Output is correct
11	Correct	285 ms	10904 KB	Output is correct
12	Correct	276 ms	10832 KB	Output is correct
13	Correct	222 ms	8784 KB	Output is correct
14	Incorrect	360 ms	8936 KB	Output isn't correct
15	Halted	0 ms	0 KB	-