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Submission #532402

# Submission time Handle Problem Language Result Execution time Memory
532402 2022-03-02T20:39:02 Z Marceantasy Self Study (JOI22_ho_t2) C++17
64 / 100
 239 ms 5100 KB 
#include <bits/stdc++.h>
using namespace std; 

#define ll long long 
#define ar array

const int mxN = 3e5+5, M = 1e9+7;
ll n, m, a[mxN], b[mxN];

bool f(ll val){
    ll ret = 0;
    for(int i = 0; i<n; ++i){
        if(a[i] <= b[i]){
            ret += (val+b[i]-1)/b[i];
        }
        else{
            ll flag = (val+a[i]-1)/a[i];
            ll upd = 1e18;
            for(ll j = max(flag-2, 0ll); j<=flag; ++j){
                ll rem = max(0ll, val - a[i]*j);
                upd = min(upd, j + (rem+b[i]-1)/b[i]);
            }
            ret += upd;
        }
        if(ret > n*m) return 0;
    }
    return 1;

}

int main(){
#ifdef _DEBUG
//	freopen("input.txt", "r", stdin);
//	freopen("output.txt", "w", stdout);
#endif
    std::ios_base::sync_with_stdio(false); std::cin.tie(0); std::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 = 1e18; 
    while(l != r){
        ll m = (l+r+1)/2;
        if(f(m)){
            l = m; 
        }else{
            r = m-1;
        }
    }
    cout << l;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 0 ms 332 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 3 ms 332 KB Output is correct
11 Correct 143 ms 5016 KB Output is correct
12 Correct 191 ms 4992 KB Output is correct
13 Correct 81 ms 4980 KB Output is correct
14 Correct 200 ms 4988 KB Output is correct
15 Correct 0 ms 204 KB Output is correct
16 Correct 39 ms 5100 KB Output is correct
17 Correct 106 ms 4960 KB Output is correct
18 Correct 93 ms 4996 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 39 ms 5100 KB Output is correct
3 Correct 106 ms 4960 KB Output is correct
4 Correct 93 ms 4996 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 0 ms 204 KB Output is correct
11 Correct 0 ms 204 KB Output is correct
12 Correct 0 ms 204 KB Output is correct
13 Correct 48 ms 2576 KB Output is correct
14 Correct 38 ms 1852 KB Output is correct
15 Correct 23 ms 1484 KB Output is correct
16 Correct 20 ms 1252 KB Output is correct
17 Correct 1 ms 332 KB Output is correct
18 Correct 0 ms 204 KB Output is correct
19 Correct 0 ms 204 KB Output is correct
20 Correct 0 ms 204 KB Output is correct
21 Correct 0 ms 204 KB Output is correct
22 Correct 1 ms 332 KB Output is correct
23 Correct 3 ms 332 KB Output is correct

Subtask #3
0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 0 ms 332 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 3 ms 332 KB Output is correct
11 Correct 143 ms 5016 KB Output is correct
12 Correct 191 ms 4992 KB Output is correct
13 Correct 81 ms 4980 KB Output is correct
14 Correct 200 ms 4988 KB Output is correct
15 Correct 0 ms 204 KB Output is correct
16 Correct 0 ms 204 KB Output is correct
17 Correct 0 ms 204 KB Output is correct
18 Correct 0 ms 204 KB Output is correct
19 Correct 1 ms 204 KB Output is correct
20 Correct 0 ms 204 KB Output is correct
21 Correct 0 ms 204 KB Output is correct
22 Correct 0 ms 204 KB Output is correct
23 Correct 48 ms 2576 KB Output is correct
24 Correct 38 ms 1852 KB Output is correct
25 Correct 23 ms 1484 KB Output is correct
26 Correct 20 ms 1252 KB Output is correct
27 Correct 1 ms 332 KB Output is correct
28 Correct 0 ms 204 KB Output is correct
29 Correct 0 ms 204 KB Output is correct
30 Correct 0 ms 204 KB Output is correct
31 Correct 0 ms 204 KB Output is correct
32 Correct 1 ms 332 KB Output is correct
33 Correct 3 ms 332 KB Output is correct
34 Correct 0 ms 204 KB Output is correct
35 Correct 39 ms 5100 KB Output is correct
36 Correct 106 ms 4960 KB Output is correct
37 Correct 93 ms 4996 KB Output is correct
38 Correct 0 ms 204 KB Output is correct
39 Correct 0 ms 204 KB Output is correct
40 Incorrect 0 ms 204 KB Output isn't correct
41 Halted 0 ms 0 KB -

Subtask #4
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 48 ms 2576 KB Output is correct
10 Correct 38 ms 1852 KB Output is correct
11 Correct 23 ms 1484 KB Output is correct
12 Correct 20 ms 1252 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 0 ms 204 KB Output is correct
15 Correct 0 ms 204 KB Output is correct
16 Correct 0 ms 204 KB Output is correct
17 Correct 0 ms 204 KB Output is correct
18 Correct 1 ms 332 KB Output is correct
19 Correct 3 ms 332 KB Output is correct
20 Correct 0 ms 204 KB Output is correct
21 Correct 39 ms 5100 KB Output is correct
22 Correct 106 ms 4960 KB Output is correct
23 Correct 93 ms 4996 KB Output is correct
24 Correct 29 ms 936 KB Output is correct
25 Correct 68 ms 2380 KB Output is correct
26 Correct 16 ms 824 KB Output is correct
27 Correct 90 ms 4936 KB Output is correct
28 Correct 94 ms 4976 KB Output is correct
29 Correct 98 ms 4940 KB Output is correct
30 Correct 120 ms 4976 KB Output is correct
31 Correct 206 ms 4872 KB Output is correct
32 Correct 113 ms 4928 KB Output is correct
33 Correct 239 ms 4932 KB Output is correct
34 Correct 114 ms 4920 KB Output is correct

Subtask #5
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 0 ms 332 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 3 ms 332 KB Output is correct
11 Correct 143 ms 5016 KB Output is correct
12 Correct 191 ms 4992 KB Output is correct
13 Correct 81 ms 4980 KB Output is correct
14 Correct 200 ms 4988 KB Output is correct
15 Correct 0 ms 204 KB Output is correct
16 Correct 0 ms 204 KB Output is correct
17 Correct 0 ms 204 KB Output is correct
18 Correct 0 ms 204 KB Output is correct
19 Correct 1 ms 204 KB Output is correct
20 Correct 0 ms 204 KB Output is correct
21 Correct 0 ms 204 KB Output is correct
22 Correct 0 ms 204 KB Output is correct
23 Correct 48 ms 2576 KB Output is correct
24 Correct 38 ms 1852 KB Output is correct
25 Correct 23 ms 1484 KB Output is correct
26 Correct 20 ms 1252 KB Output is correct
27 Correct 1 ms 332 KB Output is correct
28 Correct 0 ms 204 KB Output is correct
29 Correct 0 ms 204 KB Output is correct
30 Correct 0 ms 204 KB Output is correct
31 Correct 0 ms 204 KB Output is correct
32 Correct 1 ms 332 KB Output is correct
33 Correct 3 ms 332 KB Output is correct
34 Correct 0 ms 204 KB Output is correct
35 Correct 0 ms 204 KB Output is correct
36 Incorrect 0 ms 204 KB Output isn't correct
37 Halted 0 ms 0 KB -