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답안 #805435

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
805435 2023-08-03T16:38:18 Z vjudge1 Self Study (JOI22_ho_t2) C++17
100 / 100
 239 ms 10912 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

# 결과 실행 시간 메모리 Grader output
1 Correct 1 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 1 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 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 2 ms 340 KB Output is correct
11 Correct 100 ms 4912 KB Output is correct
12 Correct 115 ms 4880 KB Output is correct
13 Correct 66 ms 4996 KB Output is correct
14 Correct 78 ms 4964 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 26 ms 4948 KB Output is correct
17 Correct 78 ms 4876 KB Output is correct
18 Correct 80 ms 5000 KB Output is correct

Subtask #2
25.0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 26 ms 4948 KB Output is correct
3 Correct 78 ms 4876 KB Output is correct
4 Correct 80 ms 5000 KB Output is correct
5 Correct 0 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 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 2596 KB Output is correct
14 Correct 28 ms 1772 KB Output is correct
15 Correct 20 ms 1508 KB Output is correct
16 Correct 17 ms 1236 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 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

# 결과 실행 시간 메모리 Grader output
1 Correct 1 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 1 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 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 2 ms 340 KB Output is correct
11 Correct 100 ms 4912 KB Output is correct
12 Correct 115 ms 4880 KB Output is correct
13 Correct 66 ms 4996 KB Output is correct
14 Correct 78 ms 4964 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 0 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 42 ms 2596 KB Output is correct
24 Correct 28 ms 1772 KB Output is correct
25 Correct 20 ms 1508 KB Output is correct
26 Correct 17 ms 1236 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 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 26 ms 4948 KB Output is correct
36 Correct 78 ms 4876 KB Output is correct
37 Correct 80 ms 5000 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 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 340 KB Output is correct
46 Correct 3 ms 468 KB Output is correct
47 Correct 1 ms 340 KB Output is correct
48 Correct 19 ms 1136 KB Output is correct
49 Correct 0 ms 212 KB Output is correct
50 Correct 1 ms 340 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 0 ms 212 KB Output is correct
55 Correct 52 ms 2656 KB Output is correct
56 Correct 26 ms 1876 KB Output is correct
57 Correct 29 ms 1800 KB Output is correct

Subtask #4
29.0 / 29.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 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 42 ms 2596 KB Output is correct
10 Correct 28 ms 1772 KB Output is correct
11 Correct 20 ms 1508 KB Output is correct
12 Correct 17 ms 1236 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 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 26 ms 4948 KB Output is correct
22 Correct 78 ms 4876 KB Output is correct
23 Correct 80 ms 5000 KB Output is correct
24 Correct 26 ms 980 KB Output is correct
25 Correct 60 ms 2352 KB Output is correct
26 Correct 11 ms 828 KB Output is correct
27 Correct 79 ms 4904 KB Output is correct
28 Correct 83 ms 4896 KB Output is correct
29 Correct 86 ms 4972 KB Output is correct
30 Correct 107 ms 5000 KB Output is correct
31 Correct 179 ms 4920 KB Output is correct
32 Correct 105 ms 5128 KB Output is correct
33 Correct 209 ms 4996 KB Output is correct
34 Correct 105 ms 6172 KB Output is correct

Subtask #5
9.0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 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 1 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 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 2 ms 340 KB Output is correct
11 Correct 100 ms 4912 KB Output is correct
12 Correct 115 ms 4880 KB Output is correct
13 Correct 66 ms 4996 KB Output is correct
14 Correct 78 ms 4964 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 0 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 42 ms 2596 KB Output is correct
24 Correct 28 ms 1772 KB Output is correct
25 Correct 20 ms 1508 KB Output is correct
26 Correct 17 ms 1236 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 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 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 340 KB Output is correct
42 Correct 3 ms 468 KB Output is correct
43 Correct 1 ms 340 KB Output is correct
44 Correct 19 ms 1136 KB Output is correct
45 Correct 0 ms 212 KB Output is correct
46 Correct 1 ms 340 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 0 ms 212 KB Output is correct
51 Correct 52 ms 2656 KB Output is correct
52 Correct 26 ms 1876 KB Output is correct
53 Correct 29 ms 1800 KB Output is correct
54 Correct 26 ms 980 KB Output is correct
55 Correct 60 ms 2352 KB Output is correct
56 Correct 11 ms 828 KB Output is correct
57 Correct 79 ms 4904 KB Output is correct
58 Correct 83 ms 4896 KB Output is correct
59 Correct 86 ms 4972 KB Output is correct
60 Correct 107 ms 5000 KB Output is correct
61 Correct 179 ms 4920 KB Output is correct
62 Correct 105 ms 5128 KB Output is correct
63 Correct 209 ms 4996 KB Output is correct
64 Correct 105 ms 6172 KB Output is correct
65 Correct 0 ms 212 KB Output is correct
66 Correct 26 ms 4948 KB Output is correct
67 Correct 78 ms 4876 KB Output is correct
68 Correct 80 ms 5000 KB Output is correct
69 Correct 26 ms 1552 KB Output is correct
70 Correct 6 ms 596 KB Output is correct
71 Correct 1 ms 328 KB Output is correct
72 Correct 34 ms 1748 KB Output is correct
73 Correct 7 ms 676 KB Output is correct
74 Correct 1 ms 340 KB Output is correct
75 Correct 109 ms 10728 KB Output is correct
76 Correct 121 ms 10796 KB Output is correct
77 Correct 132 ms 10912 KB Output is correct
78 Correct 170 ms 10796 KB Output is correct
79 Correct 228 ms 10792 KB Output is correct
80 Correct 239 ms 10684 KB Output is correct
81 Correct 194 ms 8816 KB Output is correct
82 Correct 175 ms 8812 KB Output is correct