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Submission #551451

# Submission time Handle Problem Language Result Execution time Memory
551451 2022-04-20T17:52:17 Z toloraia Self Study (JOI22_ho_t2) C++14
100 / 100
 263 ms 5008 KB 
#include<bits/stdc++.h>
#define ll long long
#define f first
#define s second
#define pii pair<int,int>
#define pll pair<ll,ll>
#define pb push_back
#define epb emplace_back
#define ull unsigned ll
using namespace std;
 
const ll linf = 3e18 + 1;
 
bool check(ll a[], ll b[], ll x, ll n, ll m){
    ll cnt = 0;
    for(int i = 1; i <= n; i++){
        ll cnta;
        if(b[i] >= a[i])cnta = 0;
        else{
            cnta = x / a[i];
            if(x % a[i]) cnta++;
            cnta = min(cnta, m);
        }
        ll cur = x - a[i] * cnta;
        cnt += cnta;
        if(cnt > n * m) return false;
        if(cur < 0) continue;
        else{
            cnt += cur / b[i];
            if(cur % b[i])cnt++;
            if(cnt > n * m) return false;
        }
    }
    return true;
}
 
int main(){
    ios_base::sync_with_stdio(false); cin.tie(0);
    ll n; cin >> n;
    ll m; cin >> m;
  assert (m<=1e9);
    ll a[n + 1];
    ll b[n + 1];
    for(int i = 1; i <= n; i++){
        cin >> a[i];
    }
    for(int i = 1; i <= n; i++){
        cin >> b[i];
    }
    ll l = 0, r = linf;
    while(l + 1 < r){
        ll mid = (l + r) / 2;
        if(check(a, b, mid, n, m))l = mid;
        else r = mid;
    }
    cout << l;
    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 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 1 ms 212 KB Output is correct
10 Correct 2 ms 340 KB Output is correct
11 Correct 121 ms 4992 KB Output is correct
12 Correct 110 ms 4996 KB Output is correct
13 Correct 85 ms 4988 KB Output is correct
14 Correct 83 ms 4988 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 30 ms 5008 KB Output is correct
17 Correct 117 ms 4924 KB Output is correct
18 Correct 92 ms 4948 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 30 ms 5008 KB Output is correct
3 Correct 117 ms 4924 KB Output is correct
4 Correct 92 ms 4948 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 0 ms 212 KB Output is correct
13 Correct 51 ms 2644 KB Output is correct
14 Correct 34 ms 1876 KB Output is correct
15 Correct 24 ms 1488 KB Output is correct
16 Correct 21 ms 1236 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 1 ms 340 KB Output is correct
23 Correct 3 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 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 1 ms 212 KB Output is correct
10 Correct 2 ms 340 KB Output is correct
11 Correct 121 ms 4992 KB Output is correct
12 Correct 110 ms 4996 KB Output is correct
13 Correct 85 ms 4988 KB Output is correct
14 Correct 83 ms 4988 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 0 ms 212 KB Output is correct
23 Correct 51 ms 2644 KB Output is correct
24 Correct 34 ms 1876 KB Output is correct
25 Correct 24 ms 1488 KB Output is correct
26 Correct 21 ms 1236 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 1 ms 340 KB Output is correct
33 Correct 3 ms 340 KB Output is correct
34 Correct 0 ms 212 KB Output is correct
35 Correct 30 ms 5008 KB Output is correct
36 Correct 117 ms 4924 KB Output is correct
37 Correct 92 ms 4948 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 392 KB Output is correct
46 Correct 4 ms 340 KB Output is correct
47 Correct 1 ms 212 KB Output is correct
48 Correct 22 ms 1120 KB Output is correct
49 Correct 0 ms 212 KB Output is correct
50 Correct 1 ms 212 KB Output is correct
51 Correct 3 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 58 ms 2624 KB Output is correct
56 Correct 33 ms 1876 KB Output is correct
57 Correct 27 ms 1748 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 0 ms 212 KB Output is correct
9 Correct 51 ms 2644 KB Output is correct
10 Correct 34 ms 1876 KB Output is correct
11 Correct 24 ms 1488 KB Output is correct
12 Correct 21 ms 1236 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 1 ms 340 KB Output is correct
19 Correct 3 ms 340 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 30 ms 5008 KB Output is correct
22 Correct 117 ms 4924 KB Output is correct
23 Correct 92 ms 4948 KB Output is correct
24 Correct 29 ms 980 KB Output is correct
25 Correct 79 ms 2396 KB Output is correct
26 Correct 15 ms 724 KB Output is correct
27 Correct 96 ms 4992 KB Output is correct
28 Correct 100 ms 4996 KB Output is correct
29 Correct 107 ms 4992 KB Output is correct
30 Correct 130 ms 4948 KB Output is correct
31 Correct 209 ms 5000 KB Output is correct
32 Correct 127 ms 4996 KB Output is correct
33 Correct 263 ms 4996 KB Output is correct
34 Correct 117 ms 4992 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 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 1 ms 212 KB Output is correct
10 Correct 2 ms 340 KB Output is correct
11 Correct 121 ms 4992 KB Output is correct
12 Correct 110 ms 4996 KB Output is correct
13 Correct 85 ms 4988 KB Output is correct
14 Correct 83 ms 4988 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 0 ms 212 KB Output is correct
23 Correct 51 ms 2644 KB Output is correct
24 Correct 34 ms 1876 KB Output is correct
25 Correct 24 ms 1488 KB Output is correct
26 Correct 21 ms 1236 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 1 ms 340 KB Output is correct
33 Correct 3 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 392 KB Output is correct
42 Correct 4 ms 340 KB Output is correct
43 Correct 1 ms 212 KB Output is correct
44 Correct 22 ms 1120 KB Output is correct
45 Correct 0 ms 212 KB Output is correct
46 Correct 1 ms 212 KB Output is correct
47 Correct 3 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 58 ms 2624 KB Output is correct
52 Correct 33 ms 1876 KB Output is correct
53 Correct 27 ms 1748 KB Output is correct
54 Correct 29 ms 980 KB Output is correct
55 Correct 79 ms 2396 KB Output is correct
56 Correct 15 ms 724 KB Output is correct
57 Correct 96 ms 4992 KB Output is correct
58 Correct 100 ms 4996 KB Output is correct
59 Correct 107 ms 4992 KB Output is correct
60 Correct 130 ms 4948 KB Output is correct
61 Correct 209 ms 5000 KB Output is correct
62 Correct 127 ms 4996 KB Output is correct
63 Correct 263 ms 4996 KB Output is correct
64 Correct 117 ms 4992 KB Output is correct
65 Correct 0 ms 212 KB Output is correct
66 Correct 30 ms 5008 KB Output is correct
67 Correct 117 ms 4924 KB Output is correct
68 Correct 92 ms 4948 KB Output is correct
69 Correct 22 ms 724 KB Output is correct
70 Correct 6 ms 340 KB Output is correct
71 Correct 1 ms 212 KB Output is correct
72 Correct 35 ms 980 KB Output is correct
73 Correct 7 ms 468 KB Output is correct
74 Correct 1 ms 212 KB Output is correct
75 Correct 144 ms 4996 KB Output is correct
76 Correct 131 ms 4948 KB Output is correct
77 Correct 141 ms 4996 KB Output is correct
78 Correct 183 ms 4948 KB Output is correct
79 Correct 239 ms 4988 KB Output is correct
80 Correct 235 ms 4948 KB Output is correct
81 Correct 232 ms 5000 KB Output is correct
82 Correct 230 ms 4996 KB Output is correct