Submission #886565

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
886565	2023-12-12T10:25:45 Z	dubabuba	Self Study (JOI22_ho_t2)	C++14	0 / 100	144 ms	6744 KB

Main

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

#define int long long
typedef long long ll;
const int mxn = 3e5 + 10;
const int mxm = 1e9 + 10;
ll a[mxn], b[mxn], x[mxn];
int n, m;

void build() {
	for(int i = 0; i < n; i++) {
		x[i] = a[i] * m;
	}
}

ll sus(ll s, ll a) {
	return (s + a - 1) / a;
}

bool can(ll MID) {
	ll MIN = 0, MAX = 0;
	for(int i = 0; i < n; i++) {
		if(x[i] < MID) MIN += (MID - x[i] + b[i] - 1) / b[i];
		if(x[i] > MID) MAX += min(m, (x[i] - MID) / a[i]);
	}
	return MIN <= MAX;
}

signed main() {
	cin >> n >> m;
	for(int i = 0; i < n; i++)
		cin >> a[i];
	for(int j = 0; j < n; j++)
		cin >> b[j];

	build();

	ll L = 0, R = 1e18 + 10;
	while(R - L > 1) {
		ll M = L + (R - L) / 2;
		if(can(M)) L = M;
		else R = M;
	}

	cout << L << '\n';
	return 0;
}

Subtask #1

0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Incorrect	1 ms	4440 KB	Output isn't correct
2	Halted	0 ms	0 KB	-

Subtask #2

0 / 25.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	4444 KB	Output is correct
2	Correct	1 ms	4444 KB	Output is correct
3	Correct	1 ms	4444 KB	Output is correct
4	Correct	1 ms	4444 KB	Output is correct
5	Correct	1 ms	4444 KB	Output is correct
6	Correct	1 ms	4444 KB	Output is correct
7	Correct	1 ms	4540 KB	Output is correct
8	Correct	1 ms	4444 KB	Output is correct
9	Correct	144 ms	6744 KB	Output is correct
10	Correct	87 ms	6580 KB	Output is correct
11	Correct	65 ms	6744 KB	Output is correct
12	Correct	64 ms	6736 KB	Output is correct
13	Correct	1 ms	4444 KB	Output is correct
14	Correct	1 ms	4444 KB	Output is correct
15	Correct	1 ms	4440 KB	Output is correct
16	Correct	2 ms	4444 KB	Output is correct
17	Correct	1 ms	4444 KB	Output is correct
18	Incorrect	6 ms	4444 KB	Output isn't correct
19	Halted	0 ms	0 KB	-

Subtask #3

0 / 27.0

#	Verdict	Execution time	Memory	Grader output
1	Incorrect	1 ms	4440 KB	Output isn't correct
2	Halted	0 ms	0 KB	-

Subtask #4

0 / 29.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	4444 KB	Output is correct
2	Correct	1 ms	4444 KB	Output is correct
3	Correct	1 ms	4444 KB	Output is correct
4	Correct	1 ms	4444 KB	Output is correct
5	Correct	1 ms	4444 KB	Output is correct
6	Correct	1 ms	4444 KB	Output is correct
7	Correct	1 ms	4540 KB	Output is correct
8	Correct	1 ms	4444 KB	Output is correct
9	Correct	144 ms	6744 KB	Output is correct
10	Correct	87 ms	6580 KB	Output is correct
11	Correct	65 ms	6744 KB	Output is correct
12	Correct	64 ms	6736 KB	Output is correct
13	Correct	1 ms	4444 KB	Output is correct
14	Correct	1 ms	4444 KB	Output is correct
15	Correct	1 ms	4440 KB	Output is correct
16	Correct	2 ms	4444 KB	Output is correct
17	Correct	1 ms	4444 KB	Output is correct
18	Incorrect	6 ms	4444 KB	Output isn't correct
19	Halted	0 ms	0 KB	-

Subtask #5

0 / 9.0

#	Verdict	Execution time	Memory	Grader output
1	Incorrect	1 ms	4440 KB	Output isn't correct
2	Halted	0 ms	0 KB	-