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Submission #538662

# Submission time Handle Problem Language Result Execution time Memory
538662 2022-03-17T12:04:20 Z faruk Self Study (JOI22_ho_t2) C++17
62 / 100
 308 ms 7796 KB 
#include <bits/stdc++.h>
#define pii pair<int, int>
#define ll long long
#define ld long double

using namespace std;

vector<ll> a;
vector<ll> b;
int n; ll m;
bool binary(ll x) {
    ll possible = 0;
    for (int i = 0; i < n ; i++) {
        ll val = a[i] * m;
        if (val < x)
            continue;
        ll diff = val - x;
        possible += diff / a[i];
    }

    for (int i = 0; i < n; i++) {
        ll val = a[i] * m;
        if (val >= x)
            continue;
        ll dif = x - val;
        possible -= ceil((ld)dif / (ld)b[i]);
    }
    return possible < 0;
}

int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(0);

    cin >> n >> m;

    a.resize(n);
    b.resize(n);
    for (int i = 0; i < n; i++) {
        cin >> a[i];
    }
    for (int i = 0; i < n; i++)
    {
        cin >> b[i];
        a[i] = max(a[i], b[i]);
    }

    ll l = 0, r = 1e18;
    while (l < r) {
        ll mid = (l + r) / 2;
        if (binary(mid))
            r = mid;
        else
            l = mid + 1;
    }

    cout << l - 1<< "\n";
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 308 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 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 1 ms 212 KB Output is correct
10 Correct 4 ms 340 KB Output is correct
11 Correct 203 ms 4948 KB Output is correct
12 Correct 218 ms 5008 KB Output is correct
13 Correct 219 ms 5008 KB Output is correct
14 Correct 213 ms 5012 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 221 ms 6184 KB Output is correct
17 Correct 232 ms 7268 KB Output is correct
18 Correct 217 ms 7168 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 221 ms 6184 KB Output is correct
3 Correct 232 ms 7268 KB Output is correct
4 Correct 217 ms 7168 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 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 125 ms 2660 KB Output is correct
14 Correct 77 ms 1876 KB Output is correct
15 Correct 57 ms 1492 KB Output is correct
16 Correct 42 ms 1256 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 1 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 4 ms 340 KB Output is correct
23 Correct 5 ms 468 KB Output is correct

Subtask #3
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 308 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 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 1 ms 212 KB Output is correct
10 Correct 4 ms 340 KB Output is correct
11 Correct 203 ms 4948 KB Output is correct
12 Correct 218 ms 5008 KB Output is correct
13 Correct 219 ms 5008 KB Output is correct
14 Correct 213 ms 5012 KB Output is correct
15 Correct 1 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 1 ms 212 KB Output is correct
19 Correct 1 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 125 ms 2660 KB Output is correct
24 Correct 77 ms 1876 KB Output is correct
25 Correct 57 ms 1492 KB Output is correct
26 Correct 42 ms 1256 KB Output is correct
27 Correct 1 ms 212 KB Output is correct
28 Correct 0 ms 212 KB Output is correct
29 Correct 1 ms 212 KB Output is correct
30 Correct 0 ms 212 KB Output is correct
31 Correct 0 ms 212 KB Output is correct
32 Correct 4 ms 340 KB Output is correct
33 Correct 5 ms 468 KB Output is correct
34 Correct 1 ms 212 KB Output is correct
35 Correct 221 ms 6184 KB Output is correct
36 Correct 232 ms 7268 KB Output is correct
37 Correct 217 ms 7168 KB Output is correct
38 Correct 1 ms 316 KB Output is correct
39 Correct 1 ms 212 KB Output is correct
40 Correct 1 ms 320 KB Output is correct
41 Correct 1 ms 320 KB Output is correct
42 Correct 1 ms 320 KB Output is correct
43 Correct 1 ms 212 KB Output is correct
44 Correct 1 ms 212 KB Output is correct
45 Correct 5 ms 468 KB Output is correct
46 Correct 8 ms 588 KB Output is correct
47 Correct 1 ms 336 KB Output is correct
48 Correct 41 ms 2016 KB Output is correct
49 Correct 1 ms 212 KB Output is correct
50 Correct 1 ms 212 KB Output is correct
51 Correct 4 ms 456 KB Output is correct
52 Correct 1 ms 324 KB Output is correct
53 Correct 1 ms 212 KB Output is correct
54 Correct 1 ms 212 KB Output is correct
55 Correct 104 ms 4908 KB Output is correct
56 Correct 75 ms 3144 KB Output is correct
57 Correct 79 ms 3152 KB Output is correct

Subtask #4
0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 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 1 ms 212 KB Output is correct
9 Correct 125 ms 2660 KB Output is correct
10 Correct 77 ms 1876 KB Output is correct
11 Correct 57 ms 1492 KB Output is correct
12 Correct 42 ms 1256 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 1 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 4 ms 340 KB Output is correct
19 Correct 5 ms 468 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 221 ms 6184 KB Output is correct
22 Correct 232 ms 7268 KB Output is correct
23 Correct 217 ms 7168 KB Output is correct
24 Correct 43 ms 1996 KB Output is correct
25 Correct 113 ms 4576 KB Output is correct
26 Correct 29 ms 1412 KB Output is correct
27 Correct 252 ms 7748 KB Output is correct
28 Correct 230 ms 7656 KB Output is correct
29 Correct 234 ms 7740 KB Output is correct
30 Correct 255 ms 7676 KB Output is correct
31 Correct 308 ms 7796 KB Output is correct
32 Correct 195 ms 6184 KB Output is correct
33 Incorrect 254 ms 7340 KB Output isn't correct
34 Halted 0 ms 0 KB -

Subtask #5
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 308 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 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 1 ms 212 KB Output is correct
10 Correct 4 ms 340 KB Output is correct
11 Correct 203 ms 4948 KB Output is correct
12 Correct 218 ms 5008 KB Output is correct
13 Correct 219 ms 5008 KB Output is correct
14 Correct 213 ms 5012 KB Output is correct
15 Correct 1 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 1 ms 212 KB Output is correct
19 Correct 1 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 125 ms 2660 KB Output is correct
24 Correct 77 ms 1876 KB Output is correct
25 Correct 57 ms 1492 KB Output is correct
26 Correct 42 ms 1256 KB Output is correct
27 Correct 1 ms 212 KB Output is correct
28 Correct 0 ms 212 KB Output is correct
29 Correct 1 ms 212 KB Output is correct
30 Correct 0 ms 212 KB Output is correct
31 Correct 0 ms 212 KB Output is correct
32 Correct 4 ms 340 KB Output is correct
33 Correct 5 ms 468 KB Output is correct
34 Correct 1 ms 316 KB Output is correct
35 Correct 1 ms 212 KB Output is correct
36 Correct 1 ms 320 KB Output is correct
37 Correct 1 ms 320 KB Output is correct
38 Correct 1 ms 320 KB Output is correct
39 Correct 1 ms 212 KB Output is correct
40 Correct 1 ms 212 KB Output is correct
41 Correct 5 ms 468 KB Output is correct
42 Correct 8 ms 588 KB Output is correct
43 Correct 1 ms 336 KB Output is correct
44 Correct 41 ms 2016 KB Output is correct
45 Correct 1 ms 212 KB Output is correct
46 Correct 1 ms 212 KB Output is correct
47 Correct 4 ms 456 KB Output is correct
48 Correct 1 ms 324 KB Output is correct
49 Correct 1 ms 212 KB Output is correct
50 Correct 1 ms 212 KB Output is correct
51 Correct 104 ms 4908 KB Output is correct
52 Correct 75 ms 3144 KB Output is correct
53 Correct 79 ms 3152 KB Output is correct
54 Correct 43 ms 1996 KB Output is correct
55 Correct 113 ms 4576 KB Output is correct
56 Correct 29 ms 1412 KB Output is correct
57 Correct 252 ms 7748 KB Output is correct
58 Correct 230 ms 7656 KB Output is correct
59 Correct 234 ms 7740 KB Output is correct
60 Correct 255 ms 7676 KB Output is correct
61 Correct 308 ms 7796 KB Output is correct
62 Correct 195 ms 6184 KB Output is correct
63 Incorrect 254 ms 7340 KB Output isn't correct
64 Halted 0 ms 0 KB -