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Submission #766725

# Submission time Handle Problem Language Result Execution time Memory
766725 2023-06-26T05:22:26 Z raysh07 Self Study (JOI22_ho_t2) C++17
100 / 100
 284 ms 8932 KB 
#include <bits/stdc++.h>
using namespace std;
#define int long long
#define INF (int)1e18
#define f first
#define s second

mt19937_64 RNG(chrono::steady_clock::now().time_since_epoch().count());

void Solve() 
{
    int n, m; cin >> n >> m;
    vector <int> a(n), b(n);
    for (auto &x : a) cin >> x;
    for (auto &x : b) cin >> x;
    
    int l = 0, r = INF;
    while (r != l){
        int mid = (l + r + 1) / 2;
        
        int use = 0, need = 0;
        for (int i = 0; i < n; i++){
            if (a[i] <= b[i]) {
                need += (mid + b[i] - 1) / b[i];
                if (use + need > n * m) break;
                continue;
            }
            
            int o = (mid + a[i] - 1) / a[i];
            int o1 = 0;
            
            if (o > m){
                o = m;
                int ex = mid - a[i] * o;
                o1 = (ex + b[i] - 1) / b[i];
                //assert(o1 >= 0);
                
            }
            
            int ex = a[i] * o + b[i] * o1 - mid;
            assert(ex >= 0);
            int sw = ex / (a[i] - b[i]);
            
            
            if (sw > o) sw = o;
            
            o -= sw;
            o1 += sw;
            use += o;
            need += o1;
            if (use + need > n * m) break;
        }
        
        if (use + need > n * m) r = mid - 1;
        else l = mid;
    }
    
    cout << l << "\n";
}

int32_t main() 
{
    auto begin = std::chrono::high_resolution_clock::now();
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    int t = 1;
  //  cin >> t;
    for(int i = 1; i <= t; i++) 
    {
        //cout << "Case #" << i << ": ";
        Solve();
    }
    auto end = std::chrono::high_resolution_clock::now();
    auto elapsed = std::chrono::duration_cast<std::chrono::nanoseconds>(end - begin);
    cerr << "Time measured: " << elapsed.count() * 1e-9 << " seconds.\n"; 
    return 0;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 4 ms 340 KB Output is correct
11 Correct 100 ms 5016 KB Output is correct
12 Correct 103 ms 5008 KB Output is correct
13 Correct 66 ms 4948 KB Output is correct
14 Correct 78 ms 4948 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 27 ms 5028 KB Output is correct
17 Correct 93 ms 4948 KB Output is correct
18 Correct 89 ms 5012 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 27 ms 5028 KB Output is correct
3 Correct 93 ms 4948 KB Output is correct
4 Correct 89 ms 5012 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 42 ms 2668 KB Output is correct
14 Correct 28 ms 1876 KB Output is correct
15 Correct 21 ms 1492 KB Output is correct
16 Correct 21 ms 1280 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 2 ms 340 KB Output is correct
23 Correct 2 ms 340 KB Output is correct

Subtask #3
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 4 ms 340 KB Output is correct
11 Correct 100 ms 5016 KB Output is correct
12 Correct 103 ms 5008 KB Output is correct
13 Correct 66 ms 4948 KB Output is correct
14 Correct 78 ms 4948 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 42 ms 2668 KB Output is correct
24 Correct 28 ms 1876 KB Output is correct
25 Correct 21 ms 1492 KB Output is correct
26 Correct 21 ms 1280 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 0 ms 212 KB Output is correct
29 Correct 0 ms 212 KB Output is correct
30 Correct 0 ms 212 KB Output is correct
31 Correct 1 ms 212 KB Output is correct
32 Correct 2 ms 340 KB Output is correct
33 Correct 2 ms 340 KB Output is correct
34 Correct 0 ms 212 KB Output is correct
35 Correct 27 ms 5028 KB Output is correct
36 Correct 93 ms 4948 KB Output is correct
37 Correct 89 ms 5012 KB Output is correct
38 Correct 1 ms 212 KB Output is correct
39 Correct 0 ms 212 KB Output is correct
40 Correct 0 ms 212 KB Output is correct
41 Correct 0 ms 212 KB Output is correct
42 Correct 0 ms 212 KB Output is correct
43 Correct 0 ms 212 KB Output is correct
44 Correct 1 ms 212 KB Output is correct
45 Correct 3 ms 340 KB Output is correct
46 Correct 4 ms 456 KB Output is correct
47 Correct 1 ms 212 KB Output is correct
48 Correct 19 ms 1148 KB Output is correct
49 Correct 0 ms 212 KB Output is correct
50 Correct 1 ms 212 KB Output is correct
51 Correct 2 ms 340 KB Output is correct
52 Correct 0 ms 212 KB Output is correct
53 Correct 0 ms 212 KB Output is correct
54 Correct 1 ms 212 KB Output is correct
55 Correct 54 ms 2644 KB Output is correct
56 Correct 26 ms 1876 KB Output is correct
57 Correct 29 ms 1876 KB Output is correct

Subtask #4
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 42 ms 2668 KB Output is correct
10 Correct 28 ms 1876 KB Output is correct
11 Correct 21 ms 1492 KB Output is correct
12 Correct 21 ms 1280 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 2 ms 340 KB Output is correct
19 Correct 2 ms 340 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 27 ms 5028 KB Output is correct
22 Correct 93 ms 4948 KB Output is correct
23 Correct 89 ms 5012 KB Output is correct
24 Correct 26 ms 980 KB Output is correct
25 Correct 62 ms 4980 KB Output is correct
26 Correct 11 ms 1328 KB Output is correct
27 Correct 86 ms 8844 KB Output is correct
28 Correct 92 ms 8856 KB Output is correct
29 Correct 90 ms 8780 KB Output is correct
30 Correct 110 ms 8764 KB Output is correct
31 Correct 185 ms 8780 KB Output is correct
32 Correct 106 ms 6100 KB Output is correct
33 Correct 212 ms 8852 KB Output is correct
34 Correct 105 ms 6100 KB Output is correct

Subtask #5
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 4 ms 340 KB Output is correct
11 Correct 100 ms 5016 KB Output is correct
12 Correct 103 ms 5008 KB Output is correct
13 Correct 66 ms 4948 KB Output is correct
14 Correct 78 ms 4948 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 42 ms 2668 KB Output is correct
24 Correct 28 ms 1876 KB Output is correct
25 Correct 21 ms 1492 KB Output is correct
26 Correct 21 ms 1280 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 0 ms 212 KB Output is correct
29 Correct 0 ms 212 KB Output is correct
30 Correct 0 ms 212 KB Output is correct
31 Correct 1 ms 212 KB Output is correct
32 Correct 2 ms 340 KB Output is correct
33 Correct 2 ms 340 KB Output is correct
34 Correct 1 ms 212 KB Output is correct
35 Correct 0 ms 212 KB Output is correct
36 Correct 0 ms 212 KB Output is correct
37 Correct 0 ms 212 KB Output is correct
38 Correct 0 ms 212 KB Output is correct
39 Correct 0 ms 212 KB Output is correct
40 Correct 1 ms 212 KB Output is correct
41 Correct 3 ms 340 KB Output is correct
42 Correct 4 ms 456 KB Output is correct
43 Correct 1 ms 212 KB Output is correct
44 Correct 19 ms 1148 KB Output is correct
45 Correct 0 ms 212 KB Output is correct
46 Correct 1 ms 212 KB Output is correct
47 Correct 2 ms 340 KB Output is correct
48 Correct 0 ms 212 KB Output is correct
49 Correct 0 ms 212 KB Output is correct
50 Correct 1 ms 212 KB Output is correct
51 Correct 54 ms 2644 KB Output is correct
52 Correct 26 ms 1876 KB Output is correct
53 Correct 29 ms 1876 KB Output is correct
54 Correct 26 ms 980 KB Output is correct
55 Correct 62 ms 4980 KB Output is correct
56 Correct 11 ms 1328 KB Output is correct
57 Correct 86 ms 8844 KB Output is correct
58 Correct 92 ms 8856 KB Output is correct
59 Correct 90 ms 8780 KB Output is correct
60 Correct 110 ms 8764 KB Output is correct
61 Correct 185 ms 8780 KB Output is correct
62 Correct 106 ms 6100 KB Output is correct
63 Correct 212 ms 8852 KB Output is correct
64 Correct 105 ms 6100 KB Output is correct
65 Correct 0 ms 212 KB Output is correct
66 Correct 27 ms 5028 KB Output is correct
67 Correct 93 ms 4948 KB Output is correct
68 Correct 89 ms 5012 KB Output is correct
69 Correct 25 ms 1492 KB Output is correct
70 Correct 7 ms 596 KB Output is correct
71 Correct 1 ms 212 KB Output is correct
72 Correct 35 ms 1768 KB Output is correct
73 Correct 9 ms 592 KB Output is correct
74 Correct 1 ms 340 KB Output is correct
75 Correct 133 ms 8848 KB Output is correct
76 Correct 131 ms 8852 KB Output is correct
77 Correct 145 ms 8920 KB Output is correct
78 Correct 184 ms 8848 KB Output is correct
79 Correct 242 ms 8732 KB Output is correct
80 Correct 263 ms 8932 KB Output is correct
81 Correct 196 ms 8828 KB Output is correct
82 Correct 284 ms 8828 KB Output is correct