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Submission #855245

# Submission time Handle Problem Language Result Execution time Memory
855245 2023-10-01T04:09:34 Z ancuber1031 Self Study (JOI22_ho_t2) C++14
0 / 100
 277 ms 10836 KB 
#pragma GCC optimize("Ofast")
#include <bits/stdc++.h>
using namespace std;

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

int n, m;
vector<int> 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 = 2e18;
    while(r-l > 1) {
        int mid = r+(l-r)/2;
        if (check(mid)) l = mid;
        else r = mid;
    }
    cout<<l<<endl;
    return 0;
}

Subtask #1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 504 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 1 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 344 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 3 ms 616 KB Output is correct
11 Correct 151 ms 10832 KB Output is correct
12 Correct 150 ms 10836 KB Output is correct
13 Correct 136 ms 8968 KB Output is correct
14 Incorrect 277 ms 8844 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 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 1 ms 844 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 452 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 74 ms 5580 KB Output is correct
10 Correct 49 ms 3924 KB Output is correct
11 Correct 37 ms 3072 KB Output is correct
12 Correct 30 ms 2528 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 1 ms 456 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 344 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 1 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 504 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 1 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 344 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 3 ms 616 KB Output is correct
11 Correct 151 ms 10832 KB Output is correct
12 Correct 150 ms 10836 KB Output is correct
13 Correct 136 ms 8968 KB Output is correct
14 Incorrect 277 ms 8844 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 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 1 ms 844 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 452 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 74 ms 5580 KB Output is correct
10 Correct 49 ms 3924 KB Output is correct
11 Correct 37 ms 3072 KB Output is correct
12 Correct 30 ms 2528 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 1 ms 456 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 344 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 1 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 504 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 1 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 344 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 3 ms 616 KB Output is correct
11 Correct 151 ms 10832 KB Output is correct
12 Correct 150 ms 10836 KB Output is correct
13 Correct 136 ms 8968 KB Output is correct
14 Incorrect 277 ms 8844 KB Output isn't correct
15 Halted 0 ms 0 KB -