oj.uz

Submission #1094472

# Submission time Handle Problem Language Result Execution time Memory
1094472 2024-09-29T16:38:27 Z stefanopulos Self Study (JOI22_ho_t2) C++17
100 / 100
 128 ms 11600 KB 
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#include <bits/stdc++.h>
 
using namespace std;
using namespace __gnu_pbds;
 
typedef long long ll;
typedef long double ldb;
 
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;
typedef pair<ldb,ldb> pdd;

#define ff(i,a,b) for(int i = a; i <= b; i++)
#define fb(i,b,a) for(int i = b; i >= a; i--)
#define trav(a,x) for(auto& a : x)
 
#define sz(a) (int)(a).size()
#define fi first
#define se second
#define pb push_back
#define lb lower_bound
#define ub upper_bound
#define all(a) a.begin(), a.end()
#define rall(a) a.rbegin(), a.rend()
 
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());

template<typename T>
using ordered_set = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;

// os.order_of_key(k) the number of elements in the os less than k
// *os.find_by_order(k)  print the k-th smallest number in os(0-based)

const int mod = 1000000007;
const ll inf = 1e18 + 5;
const int mxN = 300005; 

int n; ll m;
ll A[mxN];
ll B[mxN];

bool check(ll X){

    ll uk = 0;
    ff(i,1,n){
        if(A[i] > B[i]){
            ll a = min(m, (X + A[i] - 1) / A[i]);
            ll Y = max(0ll, X - a * A[i]);
            ll b = (Y + B[i] - 1) / B[i];
            uk += a; uk += b;
        }
        else{
            ll b = (X + B[i] - 1) / B[i];
            uk += b;
        }

        if(uk > 1ll * n * m)return 0;

    }

    return 1;

}

int main(){
    cin.tie(0)->sync_with_stdio(0);

    cin >> n >> m;
    ff(i,1,n)cin >> A[i];
    ff(i,1,n)cin >> B[i];

    ll l = 0, r = inf, ans = 0;
    while(l <= r){
        ll mid = l + (r - l) / 2;
        if(check(mid)){
            ans = mid;
            l = mid + 1;
        }
        else r = mid - 1;
    }

    cout << ans << '\n';

    return 0;
}
/*

3 3
19 4 5
2 6 2

2 1
9 7
2 6

5 60000
630510219 369411957 874325200 990002527 567203997
438920902 634940661 593780254 315929832 420627496

4 25
1 2 3 4
1 2 3 4

// probati bojenje sahovski
*/

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 80 ms 5132 KB Output is correct
12 Correct 82 ms 5088 KB Output is correct
13 Correct 48 ms 4996 KB Output is correct
14 Correct 53 ms 4948 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 23 ms 6140 KB Output is correct
17 Correct 60 ms 11348 KB Output is correct
18 Correct 62 ms 10724 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 23 ms 6140 KB Output is correct
3 Correct 60 ms 11348 KB Output is correct
4 Correct 62 ms 10724 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 30 ms 2652 KB Output is correct
14 Correct 19 ms 3160 KB Output is correct
15 Correct 15 ms 1624 KB Output is correct
16 Correct 13 ms 2908 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 1 ms 2396 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 1 ms 604 KB Output is correct

Subtask #3
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 80 ms 5132 KB Output is correct
12 Correct 82 ms 5088 KB Output is correct
13 Correct 48 ms 4996 KB Output is correct
14 Correct 53 ms 4948 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 30 ms 2652 KB Output is correct
24 Correct 19 ms 3160 KB Output is correct
25 Correct 15 ms 1624 KB Output is correct
26 Correct 13 ms 2908 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 1 ms 2396 KB Output is correct
32 Correct 1 ms 348 KB Output is correct
33 Correct 1 ms 604 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 23 ms 6140 KB Output is correct
36 Correct 60 ms 11348 KB Output is correct
37 Correct 62 ms 10724 KB Output is correct
38 Correct 1 ms 2396 KB Output is correct
39 Correct 0 ms 348 KB Output is correct
40 Correct 0 ms 464 KB Output is correct
41 Correct 0 ms 348 KB Output is correct
42 Correct 1 ms 2396 KB Output is correct
43 Correct 0 ms 2396 KB Output is correct
44 Correct 1 ms 2396 KB Output is correct
45 Correct 2 ms 656 KB Output is correct
46 Correct 3 ms 604 KB Output is correct
47 Correct 1 ms 348 KB Output is correct
48 Correct 15 ms 2152 KB Output is correct
49 Correct 0 ms 2396 KB Output is correct
50 Correct 0 ms 348 KB Output is correct
51 Correct 1 ms 604 KB Output is correct
52 Correct 0 ms 348 KB Output is correct
53 Correct 0 ms 348 KB Output is correct
54 Correct 0 ms 348 KB Output is correct
55 Correct 40 ms 5468 KB Output is correct
56 Correct 17 ms 3312 KB Output is correct
57 Correct 18 ms 3160 KB Output is correct

Subtask #4
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 30 ms 2652 KB Output is correct
10 Correct 19 ms 3160 KB Output is correct
11 Correct 15 ms 1624 KB Output is correct
12 Correct 13 ms 2908 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 1 ms 2396 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 1 ms 604 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 23 ms 6140 KB Output is correct
22 Correct 60 ms 11348 KB Output is correct
23 Correct 62 ms 10724 KB Output is correct
24 Correct 12 ms 1884 KB Output is correct
25 Correct 35 ms 4948 KB Output is correct
26 Correct 7 ms 3164 KB Output is correct
27 Correct 58 ms 10864 KB Output is correct
28 Correct 60 ms 10836 KB Output is correct
29 Correct 60 ms 10836 KB Output is correct
30 Correct 64 ms 10832 KB Output is correct
31 Correct 77 ms 10948 KB Output is correct
32 Correct 49 ms 6224 KB Output is correct
33 Correct 84 ms 11600 KB Output is correct
34 Correct 41 ms 6236 KB Output is correct

Subtask #5
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 80 ms 5132 KB Output is correct
12 Correct 82 ms 5088 KB Output is correct
13 Correct 48 ms 4996 KB Output is correct
14 Correct 53 ms 4948 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 30 ms 2652 KB Output is correct
24 Correct 19 ms 3160 KB Output is correct
25 Correct 15 ms 1624 KB Output is correct
26 Correct 13 ms 2908 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 1 ms 2396 KB Output is correct
32 Correct 1 ms 348 KB Output is correct
33 Correct 1 ms 604 KB Output is correct
34 Correct 1 ms 2396 KB Output is correct
35 Correct 0 ms 348 KB Output is correct
36 Correct 0 ms 464 KB Output is correct
37 Correct 0 ms 348 KB Output is correct
38 Correct 1 ms 2396 KB Output is correct
39 Correct 0 ms 2396 KB Output is correct
40 Correct 1 ms 2396 KB Output is correct
41 Correct 2 ms 656 KB Output is correct
42 Correct 3 ms 604 KB Output is correct
43 Correct 1 ms 348 KB Output is correct
44 Correct 15 ms 2152 KB Output is correct
45 Correct 0 ms 2396 KB Output is correct
46 Correct 0 ms 348 KB Output is correct
47 Correct 1 ms 604 KB Output is correct
48 Correct 0 ms 348 KB Output is correct
49 Correct 0 ms 348 KB Output is correct
50 Correct 0 ms 348 KB Output is correct
51 Correct 40 ms 5468 KB Output is correct
52 Correct 17 ms 3312 KB Output is correct
53 Correct 18 ms 3160 KB Output is correct
54 Correct 12 ms 1884 KB Output is correct
55 Correct 35 ms 4948 KB Output is correct
56 Correct 7 ms 3164 KB Output is correct
57 Correct 58 ms 10864 KB Output is correct
58 Correct 60 ms 10836 KB Output is correct
59 Correct 60 ms 10836 KB Output is correct
60 Correct 64 ms 10832 KB Output is correct
61 Correct 77 ms 10948 KB Output is correct
62 Correct 49 ms 6224 KB Output is correct
63 Correct 84 ms 11600 KB Output is correct
64 Correct 41 ms 6236 KB Output is correct
65 Correct 0 ms 348 KB Output is correct
66 Correct 23 ms 6140 KB Output is correct
67 Correct 60 ms 11348 KB Output is correct
68 Correct 62 ms 10724 KB Output is correct
69 Correct 13 ms 3160 KB Output is correct
70 Correct 3 ms 604 KB Output is correct
71 Correct 0 ms 348 KB Output is correct
72 Correct 17 ms 1880 KB Output is correct
73 Correct 4 ms 604 KB Output is correct
74 Correct 1 ms 348 KB Output is correct
75 Correct 86 ms 11020 KB Output is correct
76 Correct 90 ms 10836 KB Output is correct
77 Correct 94 ms 10836 KB Output is correct
78 Correct 117 ms 10840 KB Output is correct
79 Correct 120 ms 10944 KB Output is correct
80 Correct 128 ms 10940 KB Output is correct
81 Correct 73 ms 8784 KB Output is correct
82 Correct 117 ms 8956 KB Output is correct