oj.uz

Submission #886566

# Submission time Handle Problem Language Result Execution time Memory
886566 2023-12-12T10:26:51 Z dubabuba Self Study (JOI22_ho_t2) C++14
0 / 100
 133 ms 6924 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;
ll a[mxn], b[mxn], x[mxn];
int n, m;

void build() {
	for(int i = 0; i < n; i++) {
		a[i] = min(a[i], b[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 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 4440 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 4440 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 133 ms 6924 KB Output is correct
10 Correct 86 ms 6580 KB Output is correct
11 Correct 65 ms 6740 KB Output is correct
12 Correct 56 ms 6568 KB Output is correct
13 Correct 1 ms 4440 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 4440 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 4440 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 133 ms 6924 KB Output is correct
10 Correct 86 ms 6580 KB Output is correct
11 Correct 65 ms 6740 KB Output is correct
12 Correct 56 ms 6568 KB Output is correct
13 Correct 1 ms 4440 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 -