oj.uz

Submission #805426

# Submission time Handle Problem Language Result Execution time Memory
805426 2023-08-03T16:34:35 Z vjudge1 Self Study (JOI22_ho_t2) C++17
62 / 100
 103 ms 5000 KB 
#include<bits/stdc++.h>

using namespace std;
using ll = long long;

const int N = 3e5 + 10;
ll n, m;
ll A[N], B[N];

ll divi(ll a, ll b) {
    return (a + b - 1) / b;
}

bool check(ll x) {
    unsigned long long s = 0;
    for(int i = 0; i < n; i++) {
        if(B[i] >= A[i]) {
            s += divi(x, B[i]);
        } else {
            ll t = min(m, divi(x, A[i]));
            s += t + divi(max(x - t * A[i], 0ll), B[i]);
        }
        if(s > n * m) return 0;
    }
    return 1;
}

int main() {
    ios::sync_with_stdio(0);
    cin.tie(0);cout.tie(0);
    cin >> n >> m;
    for(int i = 0; i < n; i++) 
        cin >> A[i];
    for(int i = 0; i < n; i++) 
        cin >> B[i];
    ll l = 0, r = 4e14;
    while(r - l > 1) {
        ll mid = (l + r) / 2;
        if(check(mid)) l = mid;
        else r = mid;
    }
    cout << l;
}

Compilation message

Main.cpp: In function 'bool check(ll)':
Main.cpp:23:14: warning: comparison of integer expressions of different signedness: 'long long unsigned int' and 'll' {aka 'long long int'} [-Wsign-compare]
   23 |         if(s > n * m) return 0;
      |            ~~^~~~~~~

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 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 232 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 3 ms 340 KB Output is correct
11 Correct 103 ms 5000 KB Output is correct
12 Correct 103 ms 5000 KB Output is correct
13 Correct 68 ms 4984 KB Output is correct
14 Correct 82 ms 4996 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 40 ms 4960 KB Output is correct
17 Correct 81 ms 4880 KB Output is correct
18 Correct 82 ms 4996 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 40 ms 4960 KB Output is correct
3 Correct 81 ms 4880 KB Output is correct
4 Correct 82 ms 4996 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 0 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 1 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 41 ms 2660 KB Output is correct
14 Correct 28 ms 1872 KB Output is correct
15 Correct 23 ms 1500 KB Output is correct
16 Correct 17 ms 1236 KB Output is correct
17 Correct 1 ms 292 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 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 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 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 232 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 3 ms 340 KB Output is correct
11 Correct 103 ms 5000 KB Output is correct
12 Correct 103 ms 5000 KB Output is correct
13 Correct 68 ms 4984 KB Output is correct
14 Correct 82 ms 4996 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 212 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 1 ms 212 KB Output is correct
22 Correct 0 ms 212 KB Output is correct
23 Correct 41 ms 2660 KB Output is correct
24 Correct 28 ms 1872 KB Output is correct
25 Correct 23 ms 1500 KB Output is correct
26 Correct 17 ms 1236 KB Output is correct
27 Correct 1 ms 292 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 0 ms 212 KB Output is correct
32 Correct 1 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 40 ms 4960 KB Output is correct
36 Correct 81 ms 4880 KB Output is correct
37 Correct 82 ms 4996 KB Output is correct
38 Correct 0 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 1 ms 212 KB Output is correct
42 Correct 1 ms 212 KB Output is correct
43 Correct 1 ms 212 KB Output is correct
44 Correct 0 ms 212 KB Output is correct
45 Correct 3 ms 416 KB Output is correct
46 Correct 4 ms 468 KB Output is correct
47 Correct 1 ms 340 KB Output is correct
48 Correct 24 ms 1108 KB Output is correct
49 Correct 0 ms 212 KB Output is correct
50 Correct 0 ms 212 KB Output is correct
51 Correct 2 ms 408 KB Output is correct
52 Correct 0 ms 212 KB Output is correct
53 Correct 1 ms 256 KB Output is correct
54 Correct 0 ms 212 KB Output is correct
55 Correct 51 ms 2600 KB Output is correct
56 Correct 27 ms 1896 KB Output is correct
57 Correct 35 ms 1876 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 1 ms 212 KB Output is correct
3 Correct 1 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 1 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 41 ms 2660 KB Output is correct
10 Correct 28 ms 1872 KB Output is correct
11 Correct 23 ms 1500 KB Output is correct
12 Correct 17 ms 1236 KB Output is correct
13 Correct 1 ms 292 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 0 ms 212 KB Output is correct
18 Correct 1 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 40 ms 4960 KB Output is correct
22 Correct 81 ms 4880 KB Output is correct
23 Correct 82 ms 4996 KB Output is correct
24 Incorrect 24 ms 1060 KB Output isn't correct
25 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 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 232 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 3 ms 340 KB Output is correct
11 Correct 103 ms 5000 KB Output is correct
12 Correct 103 ms 5000 KB Output is correct
13 Correct 68 ms 4984 KB Output is correct
14 Correct 82 ms 4996 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 212 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 1 ms 212 KB Output is correct
22 Correct 0 ms 212 KB Output is correct
23 Correct 41 ms 2660 KB Output is correct
24 Correct 28 ms 1872 KB Output is correct
25 Correct 23 ms 1500 KB Output is correct
26 Correct 17 ms 1236 KB Output is correct
27 Correct 1 ms 292 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 0 ms 212 KB Output is correct
32 Correct 1 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 0 ms 212 KB Output is correct
36 Correct 0 ms 212 KB Output is correct
37 Correct 1 ms 212 KB Output is correct
38 Correct 1 ms 212 KB Output is correct
39 Correct 1 ms 212 KB Output is correct
40 Correct 0 ms 212 KB Output is correct
41 Correct 3 ms 416 KB Output is correct
42 Correct 4 ms 468 KB Output is correct
43 Correct 1 ms 340 KB Output is correct
44 Correct 24 ms 1108 KB Output is correct
45 Correct 0 ms 212 KB Output is correct
46 Correct 0 ms 212 KB Output is correct
47 Correct 2 ms 408 KB Output is correct
48 Correct 0 ms 212 KB Output is correct
49 Correct 1 ms 256 KB Output is correct
50 Correct 0 ms 212 KB Output is correct
51 Correct 51 ms 2600 KB Output is correct
52 Correct 27 ms 1896 KB Output is correct
53 Correct 35 ms 1876 KB Output is correct
54 Incorrect 24 ms 1060 KB Output isn't correct
55 Halted 0 ms 0 KB -