Submission #864789

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
864789	2023-10-23T15:36:50 Z	serifefedartar	Self Study (JOI22_ho_t2)	C++17	0 / 100	272 ms	8216 KB

Main

#include <bits/stdc++.h>
using namespace std;
 
#define fast ios::sync_with_stdio(0);cin.tie(0);
#define s second
#define f first
typedef long long ll;
const ll MOD = 1e9 + 7;
const ll LOGN = 20; 
const ll MAXN = 3e5 + 100;
#define int long long

vector<ll> A, B;
ll N, M;
bool check(ll x) {
	ll need = 0;
	for (int i = 1; i <= N; i++) {
		if (M * A[i] >= x)
			need += (x + A[i] - 1) / A[i];
		else
			need += M + (x - A[i] * M + B[i] - 1) / B[i];
	}
	return (need <= N * M);
}

signed main() {
	fast
	cin >> N >> M;

	A = vector<ll>(N+1);
	B = vector<ll>(N+1);
	for (int i = 1; i <= N; i++)
		cin >> A[i];
	for (int i = 1; i <= N; i++)
		cin >> B[i];
	for (int i = 1; i <= N; i++)
		A[i] = max(A[i], B[i]);

	ll L = 0;
	ll R = 2 * 1e18;
	ll ans = -1;
	while (L <= R) {
		ll mid = L + (R-L)/2;
		if (check(mid)) {
			L = mid + 1;
			ans = mid;
		} else
			R = mid - 1;
	}
	cout << ans << "\n";
}

Subtask #1

0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 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	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	2 ms	616 KB	Output is correct
11	Correct	146 ms	8216 KB	Output is correct
12	Correct	152 ms	8212 KB	Output is correct
13	Correct	135 ms	7064 KB	Output is correct
14	Incorrect	272 ms	6996 KB	Output isn't correct
15	Halted	0 ms	0 KB	-

Subtask #2

0 / 25.0

#	Verdict	Execution time	Memory	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	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	78 ms	4584 KB	Output is correct
10	Correct	50 ms	3160 KB	Output is correct
11	Correct	37 ms	2652 KB	Output is correct
12	Correct	30 ms	2384 KB	Output is correct
13	Correct	1 ms	348 KB	Output is correct
14	Correct	0 ms	456 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	Incorrect	4 ms	348 KB	Output isn't correct
19	Halted	0 ms	0 KB	-

Subtask #3

0 / 27.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 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	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	2 ms	616 KB	Output is correct
11	Correct	146 ms	8216 KB	Output is correct
12	Correct	152 ms	8212 KB	Output is correct
13	Correct	135 ms	7064 KB	Output is correct
14	Incorrect	272 ms	6996 KB	Output isn't correct
15	Halted	0 ms	0 KB	-

Subtask #4

0 / 29.0

#	Verdict	Execution time	Memory	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	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	78 ms	4584 KB	Output is correct
10	Correct	50 ms	3160 KB	Output is correct
11	Correct	37 ms	2652 KB	Output is correct
12	Correct	30 ms	2384 KB	Output is correct
13	Correct	1 ms	348 KB	Output is correct
14	Correct	0 ms	456 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	Incorrect	4 ms	348 KB	Output isn't correct
19	Halted	0 ms	0 KB	-

Subtask #5

0 / 9.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 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	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	2 ms	616 KB	Output is correct
11	Correct	146 ms	8216 KB	Output is correct
12	Correct	152 ms	8212 KB	Output is correct
13	Correct	135 ms	7064 KB	Output is correct
14	Incorrect	272 ms	6996 KB	Output isn't correct
15	Halted	0 ms	0 KB	-