oj.uz

Submission #805418

# Submission time Handle Problem Language Result Execution time Memory
805418 2023-08-03T16:32:31 Z vjudge1 Self Study (JOI22_ho_t2) C++17
62 / 100
 224 ms 11456 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) {
    ll 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;
}
const ll INF = 1000000000000000000;
ll solve() {
    ll l = 0, r = INF;
    while(r - l > 1) {
        ll mid = (l + r) / 2;
        if(check(mid)) l = mid;
        else r = mid;
    }
    return l;
}

mt19937 rnd(chrono::steady_clock::now().time_since_epoch().count());
uniform_int_distribution<ll> ui(1, 1000000000);
void gen() {
    for(int i = 0; i < n; i++)  
        A[i] = rnd();
    for(int i = 0; i < n; i++)  
        B[i] = rnd();
}
ll stupid() {
    ll mx = (ll)1e18;
    for(int i = 0; i < n; i++)
        mx = min(mx, max(A[i], B[i]));
    return mx;
}
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];
    cout << solve();
    // int t = 1000;
    // do {
    //     gen();
    //     t--;
    // }
    // while(stupid() == solve() && t);
    // if(!t) {
    //     cout << "OK";
    //     return 0;
    // }
    // for(int i = 0; i < n; i++) 
    //     cout << A[i] << ' ';
    // cout << '\n';
    // for(int i = 0; i < n; i++) 
    //     cout << B[i] << ' ';
    // cout << '\n';
    // cout << "slow: " << stupid() << '\n';
    // cout << "fast: " << solve() << '\n';
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 328 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 2 ms 468 KB Output is correct
11 Correct 98 ms 5188 KB Output is correct
12 Correct 104 ms 5196 KB Output is correct
13 Correct 68 ms 5208 KB Output is correct
14 Correct 78 ms 5164 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 37 ms 5152 KB Output is correct
17 Correct 81 ms 5168 KB Output is correct
18 Correct 83 ms 5240 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 37 ms 5152 KB Output is correct
3 Correct 81 ms 5168 KB Output is correct
4 Correct 83 ms 5240 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 42 ms 2908 KB Output is correct
14 Correct 33 ms 2084 KB Output is correct
15 Correct 21 ms 1740 KB Output is correct
16 Correct 18 ms 1476 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 328 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 2 ms 512 KB Output is correct

Subtask #3
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 328 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 2 ms 468 KB Output is correct
11 Correct 98 ms 5188 KB Output is correct
12 Correct 104 ms 5196 KB Output is correct
13 Correct 68 ms 5208 KB Output is correct
14 Correct 78 ms 5164 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 1 ms 332 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 42 ms 2908 KB Output is correct
24 Correct 33 ms 2084 KB Output is correct
25 Correct 21 ms 1740 KB Output is correct
26 Correct 18 ms 1476 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 328 KB Output is correct
30 Correct 1 ms 212 KB Output is correct
31 Correct 1 ms 212 KB Output is correct
32 Correct 1 ms 340 KB Output is correct
33 Correct 2 ms 512 KB Output is correct
34 Correct 1 ms 340 KB Output is correct
35 Correct 37 ms 5152 KB Output is correct
36 Correct 81 ms 5168 KB Output is correct
37 Correct 83 ms 5240 KB Output is correct
38 Correct 1 ms 336 KB Output is correct
39 Correct 0 ms 212 KB Output is correct
40 Correct 0 ms 340 KB Output is correct
41 Correct 1 ms 336 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 332 KB Output is correct
45 Correct 3 ms 468 KB Output is correct
46 Correct 4 ms 588 KB Output is correct
47 Correct 1 ms 344 KB Output is correct
48 Correct 19 ms 2004 KB Output is correct
49 Correct 0 ms 212 KB Output is correct
50 Correct 0 ms 340 KB Output is correct
51 Correct 3 ms 472 KB Output is correct
52 Correct 1 ms 340 KB Output is correct
53 Correct 1 ms 324 KB Output is correct
54 Correct 1 ms 340 KB Output is correct
55 Correct 54 ms 5408 KB Output is correct
56 Correct 26 ms 3172 KB Output is correct
57 Correct 30 ms 3148 KB Output is correct

Subtask #4
0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 42 ms 2908 KB Output is correct
10 Correct 33 ms 2084 KB Output is correct
11 Correct 21 ms 1740 KB Output is correct
12 Correct 18 ms 1476 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 328 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 2 ms 512 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 37 ms 5152 KB Output is correct
22 Correct 81 ms 5168 KB Output is correct
23 Correct 83 ms 5240 KB Output is correct
24 Correct 26 ms 1932 KB Output is correct
25 Correct 65 ms 5024 KB Output is correct
26 Correct 11 ms 1432 KB Output is correct
27 Correct 83 ms 10800 KB Output is correct
28 Correct 88 ms 10800 KB Output is correct
29 Correct 90 ms 10708 KB Output is correct
30 Correct 110 ms 10708 KB Output is correct
31 Correct 183 ms 10772 KB Output is correct
32 Correct 105 ms 6104 KB Output is correct
33 Incorrect 224 ms 11456 KB Output isn't correct
34 Halted 0 ms 0 KB -

Subtask #5
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 328 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 2 ms 468 KB Output is correct
11 Correct 98 ms 5188 KB Output is correct
12 Correct 104 ms 5196 KB Output is correct
13 Correct 68 ms 5208 KB Output is correct
14 Correct 78 ms 5164 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 1 ms 332 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 42 ms 2908 KB Output is correct
24 Correct 33 ms 2084 KB Output is correct
25 Correct 21 ms 1740 KB Output is correct
26 Correct 18 ms 1476 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 328 KB Output is correct
30 Correct 1 ms 212 KB Output is correct
31 Correct 1 ms 212 KB Output is correct
32 Correct 1 ms 340 KB Output is correct
33 Correct 2 ms 512 KB Output is correct
34 Correct 1 ms 336 KB Output is correct
35 Correct 0 ms 212 KB Output is correct
36 Correct 0 ms 340 KB Output is correct
37 Correct 1 ms 336 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 332 KB Output is correct
41 Correct 3 ms 468 KB Output is correct
42 Correct 4 ms 588 KB Output is correct
43 Correct 1 ms 344 KB Output is correct
44 Correct 19 ms 2004 KB Output is correct
45 Correct 0 ms 212 KB Output is correct
46 Correct 0 ms 340 KB Output is correct
47 Correct 3 ms 472 KB Output is correct
48 Correct 1 ms 340 KB Output is correct
49 Correct 1 ms 324 KB Output is correct
50 Correct 1 ms 340 KB Output is correct
51 Correct 54 ms 5408 KB Output is correct
52 Correct 26 ms 3172 KB Output is correct
53 Correct 30 ms 3148 KB Output is correct
54 Correct 26 ms 1932 KB Output is correct
55 Correct 65 ms 5024 KB Output is correct
56 Correct 11 ms 1432 KB Output is correct
57 Correct 83 ms 10800 KB Output is correct
58 Correct 88 ms 10800 KB Output is correct
59 Correct 90 ms 10708 KB Output is correct
60 Correct 110 ms 10708 KB Output is correct
61 Correct 183 ms 10772 KB Output is correct
62 Correct 105 ms 6104 KB Output is correct
63 Incorrect 224 ms 11456 KB Output isn't correct
64 Halted 0 ms 0 KB -