oj.uz

Submission #824977

# Submission time Handle Problem Language Result Execution time Memory
824977 2023-08-14T12:44:54 Z phoenix Self Study (JOI22_ho_t2) C++17
100 / 100
 238 ms 11564 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 = 2e18;
    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 0 ms 332 KB Output is correct
2 Correct 0 ms 340 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 340 KB Output is correct
6 Correct 1 ms 284 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 340 KB Output is correct
10 Correct 2 ms 468 KB Output is correct
11 Correct 103 ms 10864 KB Output is correct
12 Correct 104 ms 10756 KB Output is correct
13 Correct 67 ms 8812 KB Output is correct
14 Correct 78 ms 8780 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 27 ms 6092 KB Output is correct
17 Correct 83 ms 11552 KB Output is correct
18 Correct 83 ms 10752 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 27 ms 6092 KB Output is correct
3 Correct 83 ms 11552 KB Output is correct
4 Correct 83 ms 10752 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 0 ms 332 KB Output is correct
7 Correct 1 ms 328 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 0 ms 340 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 43 ms 5520 KB Output is correct
14 Correct 28 ms 3700 KB Output is correct
15 Correct 21 ms 2900 KB Output is correct
16 Correct 18 ms 2416 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 0 ms 332 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 0 ms 340 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 468 KB Output is correct

Subtask #3
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 332 KB Output is correct
2 Correct 0 ms 340 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 340 KB Output is correct
6 Correct 1 ms 284 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 340 KB Output is correct
10 Correct 2 ms 468 KB Output is correct
11 Correct 103 ms 10864 KB Output is correct
12 Correct 104 ms 10756 KB Output is correct
13 Correct 67 ms 8812 KB Output is correct
14 Correct 78 ms 8780 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 0 ms 332 KB Output is correct
17 Correct 1 ms 328 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 340 KB Output is correct
20 Correct 0 ms 340 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 0 ms 212 KB Output is correct
23 Correct 43 ms 5520 KB Output is correct
24 Correct 28 ms 3700 KB Output is correct
25 Correct 21 ms 2900 KB Output is correct
26 Correct 18 ms 2416 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 0 ms 332 KB Output is correct
29 Correct 1 ms 212 KB Output is correct
30 Correct 0 ms 340 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 468 KB Output is correct
34 Correct 1 ms 212 KB Output is correct
35 Correct 27 ms 6092 KB Output is correct
36 Correct 83 ms 11552 KB Output is correct
37 Correct 83 ms 10752 KB Output is correct
38 Correct 0 ms 340 KB Output is correct
39 Correct 0 ms 212 KB Output is correct
40 Correct 1 ms 212 KB Output is correct
41 Correct 0 ms 340 KB Output is correct
42 Correct 0 ms 212 KB Output is correct
43 Correct 0 ms 212 KB Output is correct
44 Correct 0 ms 212 KB Output is correct
45 Correct 2 ms 468 KB Output is correct
46 Correct 4 ms 600 KB Output is correct
47 Correct 1 ms 340 KB Output is correct
48 Correct 19 ms 2128 KB Output is correct
49 Correct 0 ms 212 KB Output is correct
50 Correct 1 ms 336 KB Output is correct
51 Correct 2 ms 468 KB Output is correct
52 Correct 0 ms 324 KB Output is correct
53 Correct 0 ms 212 KB Output is correct
54 Correct 0 ms 224 KB Output is correct
55 Correct 53 ms 5460 KB Output is correct
56 Correct 26 ms 3032 KB Output is correct
57 Correct 28 ms 3140 KB Output is correct

Subtask #4
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 0 ms 332 KB Output is correct
3 Correct 1 ms 328 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 43 ms 5520 KB Output is correct
10 Correct 28 ms 3700 KB Output is correct
11 Correct 21 ms 2900 KB Output is correct
12 Correct 18 ms 2416 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 0 ms 332 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 0 ms 340 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 468 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 27 ms 6092 KB Output is correct
22 Correct 83 ms 11552 KB Output is correct
23 Correct 83 ms 10752 KB Output is correct
24 Correct 26 ms 1832 KB Output is correct
25 Correct 62 ms 5008 KB Output is correct
26 Correct 12 ms 1368 KB Output is correct
27 Correct 81 ms 10732 KB Output is correct
28 Correct 86 ms 10744 KB Output is correct
29 Correct 88 ms 10792 KB Output is correct
30 Correct 110 ms 10792 KB Output is correct
31 Correct 181 ms 10792 KB Output is correct
32 Correct 105 ms 6100 KB Output is correct
33 Correct 210 ms 11564 KB Output is correct
34 Correct 105 ms 6092 KB Output is correct

Subtask #5
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 332 KB Output is correct
2 Correct 0 ms 340 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 340 KB Output is correct
6 Correct 1 ms 284 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 340 KB Output is correct
10 Correct 2 ms 468 KB Output is correct
11 Correct 103 ms 10864 KB Output is correct
12 Correct 104 ms 10756 KB Output is correct
13 Correct 67 ms 8812 KB Output is correct
14 Correct 78 ms 8780 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 0 ms 332 KB Output is correct
17 Correct 1 ms 328 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 340 KB Output is correct
20 Correct 0 ms 340 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 0 ms 212 KB Output is correct
23 Correct 43 ms 5520 KB Output is correct
24 Correct 28 ms 3700 KB Output is correct
25 Correct 21 ms 2900 KB Output is correct
26 Correct 18 ms 2416 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 0 ms 332 KB Output is correct
29 Correct 1 ms 212 KB Output is correct
30 Correct 0 ms 340 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 468 KB Output is correct
34 Correct 0 ms 340 KB Output is correct
35 Correct 0 ms 212 KB Output is correct
36 Correct 1 ms 212 KB Output is correct
37 Correct 0 ms 340 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 2 ms 468 KB Output is correct
42 Correct 4 ms 600 KB Output is correct
43 Correct 1 ms 340 KB Output is correct
44 Correct 19 ms 2128 KB Output is correct
45 Correct 0 ms 212 KB Output is correct
46 Correct 1 ms 336 KB Output is correct
47 Correct 2 ms 468 KB Output is correct
48 Correct 0 ms 324 KB Output is correct
49 Correct 0 ms 212 KB Output is correct
50 Correct 0 ms 224 KB Output is correct
51 Correct 53 ms 5460 KB Output is correct
52 Correct 26 ms 3032 KB Output is correct
53 Correct 28 ms 3140 KB Output is correct
54 Correct 26 ms 1832 KB Output is correct
55 Correct 62 ms 5008 KB Output is correct
56 Correct 12 ms 1368 KB Output is correct
57 Correct 81 ms 10732 KB Output is correct
58 Correct 86 ms 10744 KB Output is correct
59 Correct 88 ms 10792 KB Output is correct
60 Correct 110 ms 10792 KB Output is correct
61 Correct 181 ms 10792 KB Output is correct
62 Correct 105 ms 6100 KB Output is correct
63 Correct 210 ms 11564 KB Output is correct
64 Correct 105 ms 6092 KB Output is correct
65 Correct 1 ms 212 KB Output is correct
66 Correct 27 ms 6092 KB Output is correct
67 Correct 83 ms 11552 KB Output is correct
68 Correct 83 ms 10752 KB Output is correct
69 Correct 26 ms 1472 KB Output is correct
70 Correct 6 ms 596 KB Output is correct
71 Correct 1 ms 212 KB Output is correct
72 Correct 34 ms 1748 KB Output is correct
73 Correct 7 ms 612 KB Output is correct
74 Correct 1 ms 340 KB Output is correct
75 Correct 110 ms 10796 KB Output is correct
76 Correct 121 ms 10800 KB Output is correct
77 Correct 132 ms 10816 KB Output is correct
78 Correct 173 ms 10932 KB Output is correct
79 Correct 228 ms 10712 KB Output is correct
80 Correct 238 ms 10700 KB Output is correct
81 Correct 196 ms 8820 KB Output is correct
82 Correct 178 ms 8780 KB Output is correct