oj.uz

Submission #855246

# Submission time Handle Problem Language Result Execution time Memory
855246 2023-10-01T04:16:59 Z ancuber1031 Self Study (JOI22_ho_t2) C++14
0 / 100
 993 ms 5144 KB 
#pragma GCC optimize("Ofast")
#include <bits/stdc++.h>
using namespace std;

#define int __int128
#define pii pair<int,int>
#define p_q priority_queue
#define endl '\n'
#define pb push_back

unsigned long long n, m;
vector<unsigned long long> a, b;

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

signed main() {
    ios::sync_with_stdio(0), cin.tie(0), cout.tie(0);
    cin>>n>>m;
    a.resize(n), b.resize(n);
    for (auto& i : a) cin>>i;
    for (auto& i : b) cin>>i;
    
    int l = 0, r = 4e36;
    while(r-l > 1) {
        int mid = r+(l-r)/2;
        if (check(mid)) l = mid;
        else r = mid;
    }
    unsigned long long ans = l;
    cout<<ans<<endl;
    return 0;
}

Subtask #1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 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 1 ms 348 KB Output is correct
9 Correct 0 ms 344 KB Output is correct
10 Correct 8 ms 344 KB Output is correct
11 Correct 504 ms 4956 KB Output is correct
12 Correct 504 ms 5140 KB Output is correct
13 Correct 418 ms 4956 KB Output is correct
14 Incorrect 993 ms 5144 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 348 KB Output is correct
2 Correct 0 ms 352 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 214 ms 2792 KB Output is correct
10 Correct 148 ms 1884 KB Output is correct
11 Correct 107 ms 1628 KB Output is correct
12 Correct 86 ms 1368 KB Output is correct
13 Correct 2 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Incorrect 16 ms 520 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 348 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 1 ms 348 KB Output is correct
9 Correct 0 ms 344 KB Output is correct
10 Correct 8 ms 344 KB Output is correct
11 Correct 504 ms 4956 KB Output is correct
12 Correct 504 ms 5140 KB Output is correct
13 Correct 418 ms 4956 KB Output is correct
14 Incorrect 993 ms 5144 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 348 KB Output is correct
2 Correct 0 ms 352 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 214 ms 2792 KB Output is correct
10 Correct 148 ms 1884 KB Output is correct
11 Correct 107 ms 1628 KB Output is correct
12 Correct 86 ms 1368 KB Output is correct
13 Correct 2 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Incorrect 16 ms 520 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 348 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 1 ms 348 KB Output is correct
9 Correct 0 ms 344 KB Output is correct
10 Correct 8 ms 344 KB Output is correct
11 Correct 504 ms 4956 KB Output is correct
12 Correct 504 ms 5140 KB Output is correct
13 Correct 418 ms 4956 KB Output is correct
14 Incorrect 993 ms 5144 KB Output isn't correct
15 Halted 0 ms 0 KB -