oj.uz

Submission #886582

# Submission time Handle Problem Language Result Execution time Memory
886582 2023-12-12T10:40:04 Z dubabuba Self Study (JOI22_ho_t2) C++14
0 / 100
 128 ms 6740 KB 
#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;
const int inf = 3e18 + 10;
int a[mxn], b[mxn], x[mxn];
int n, m;

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

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

bool can(int MID) {
	int 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();

	int L = 1e18 + 10, R = 1e18 + 10;
	for(int i = 0; i < n; i++) 
		L = min(L, x[i]);
	while(R - L > 1) {
		int M = (L + R) / 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 4444 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 4444 KB Output is correct
8 Correct 1 ms 4440 KB Output is correct
9 Correct 128 ms 6572 KB Output is correct
10 Correct 87 ms 6740 KB Output is correct
11 Correct 66 ms 6580 KB Output is correct
12 Correct 52 ms 6740 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 4444 KB Output is correct
16 Correct 1 ms 4444 KB Output is correct
17 Correct 1 ms 4444 KB Output is correct
18 Incorrect 5 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 4444 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 4444 KB Output is correct
8 Correct 1 ms 4440 KB Output is correct
9 Correct 128 ms 6572 KB Output is correct
10 Correct 87 ms 6740 KB Output is correct
11 Correct 66 ms 6580 KB Output is correct
12 Correct 52 ms 6740 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 4444 KB Output is correct
16 Correct 1 ms 4444 KB Output is correct
17 Correct 1 ms 4444 KB Output is correct
18 Incorrect 5 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 4444 KB Output isn't correct
2 Halted 0 ms 0 KB -