oj.uz

Submission #794406

# Submission time Handle Problem Language Result Execution time Memory
794406 2023-07-26T13:59:55 Z Theo830 Self Study (JOI22_ho_t2) C++17
10 / 100
 188 ms 11452 KB 
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
const ll INF = 1e9+7;
const ll MOD = 998244353;
typedef pair<ll,ll> ii;
#define iii pair<ll,ii>
#define f(i,a,b) for(ll i = a;i < b;i++)
#define pb push_back
#define vll vector<ll>
#define F first
#define S second
#define all(x) (x).begin(), (x).end()
///I hope I will get uprating and don't make mistakes
///I will never stop programming
///sqrt(-1) Love C++
///Please don't hack me
///@TheofanisOrfanou Theo830
///Think different approaches (bs,dp,greedy,graphs,shortest paths,mst)
///Stay Calm
///Look for special cases
///Beware of overflow and array bounds
///Think the problem backwards
///Training
int main(){
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    ll l = 0,r = 1e13;
    ll ans = 0;
    ll n,m;
    cin>>n>>m;
    ll a[n],b[n];
    f(i,0,n){
        cin>>a[i];
    }
    f(i,0,n){
        cin>>b[i];
    }
    while(l <= r){
        ll mid = (l+r)/2;
        ll A = 0,B = 0;
        f(i,0,n){
            if(b[i] >= a[i]){
                B += (mid + b[i] - 1) / b[i];
            }
            else{
                ll posa = min(m,(mid + a[i] - 1) / a[i]);
                A += posa;
                ll num = max(0LL,mid - posa * a[i]);
                B += (num + b[i] - 1) / b[i];
            }
        }
        if(A + B <= n*m){
            l = mid + 1;
            ans = max(ans,mid);
        }
        else{
            r = mid - 1;
        }
    }
    cout<<ans<<"\n";
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory 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 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 1 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 133 ms 4996 KB Output is correct
12 Correct 134 ms 4948 KB Output is correct
13 Correct 94 ms 4992 KB Output is correct
14 Correct 188 ms 4992 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 119 ms 6164 KB Output is correct
17 Correct 110 ms 11452 KB Output is correct
18 Correct 114 ms 10812 KB Output is correct

Subtask #2
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 119 ms 6164 KB Output is correct
3 Correct 110 ms 11452 KB Output is correct
4 Correct 114 ms 10812 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 236 KB Output is correct
7 Correct 1 ms 228 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 56 ms 2644 KB Output is correct
14 Correct 41 ms 1896 KB Output is correct
15 Correct 26 ms 1488 KB Output is correct
16 Correct 23 ms 1252 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Incorrect 0 ms 212 KB Output isn't correct
20 Halted 0 ms 0 KB -

Subtask #3
0 / 27.0

# Verdict Execution time Memory 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 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 1 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 133 ms 4996 KB Output is correct
12 Correct 134 ms 4948 KB Output is correct
13 Correct 94 ms 4992 KB Output is correct
14 Correct 188 ms 4992 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 1 ms 236 KB Output is correct
17 Correct 1 ms 228 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 0 ms 212 KB Output is correct
23 Correct 56 ms 2644 KB Output is correct
24 Correct 41 ms 1896 KB Output is correct
25 Correct 26 ms 1488 KB Output is correct
26 Correct 23 ms 1252 KB Output is correct
27 Correct 1 ms 212 KB Output is correct
28 Correct 0 ms 212 KB Output is correct
29 Incorrect 0 ms 212 KB Output isn't correct
30 Halted 0 ms 0 KB -

Subtask #4
0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 236 KB Output is correct
3 Correct 1 ms 228 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 56 ms 2644 KB Output is correct
10 Correct 41 ms 1896 KB Output is correct
11 Correct 26 ms 1488 KB Output is correct
12 Correct 23 ms 1252 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Incorrect 0 ms 212 KB Output isn't correct
16 Halted 0 ms 0 KB -

Subtask #5
0 / 9.0

# Verdict Execution time Memory 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 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 1 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 133 ms 4996 KB Output is correct
12 Correct 134 ms 4948 KB Output is correct
13 Correct 94 ms 4992 KB Output is correct
14 Correct 188 ms 4992 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 1 ms 236 KB Output is correct
17 Correct 1 ms 228 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 0 ms 212 KB Output is correct
23 Correct 56 ms 2644 KB Output is correct
24 Correct 41 ms 1896 KB Output is correct
25 Correct 26 ms 1488 KB Output is correct
26 Correct 23 ms 1252 KB Output is correct
27 Correct 1 ms 212 KB Output is correct
28 Correct 0 ms 212 KB Output is correct
29 Incorrect 0 ms 212 KB Output isn't correct
30 Halted 0 ms 0 KB -