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Submission #727388

# Submission time Handle Problem Language Result Execution time Memory
727388 2023-04-20T14:41:18 Z khanhdz06 Self Study (JOI22_ho_t2) C++17
0 / 100
 1 ms 212 KB 
#include<iostream>
#include<vector>
#include<algorithm>
using namespace std;
typedef long long ll;
typedef pair<ll,ll> pl;
const ll maxn=300010;
ll n,m;
ll a[maxn],b[maxn];
bool chk(ll x)
{
    ll ret=0;
    for(ll i=1;i<=n;i++)
    {
        if(a[i]<=b[i])
            ret+=(x+b[i]-1)/b[i];
        else
        {
            ll kappa=(x+a[i]-1)/a[i];
            kappa=min(kappa,m);
            ret+=kappa;
            ll h=kappa*a[i];
            if(x>h)
                ret+=((x-h)+b[i]-1)/b[i];
            if(ret>n*m)
                return 0;
        }
    }
    return 1;
}
int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    cin>>n>>m;
    for(ll i=1;i<=n;i++)
        cin>>a[i];
    for(ll i=1;i<=n;i++)
        cin>>b[i];
    ll lo=0,hi=1e18;
    while(lo<hi)
    {
        ll m=(lo+hi)/2;
        if(chk(m))
            lo=m+1;
        else
            hi=m-1;
    }
    cout<<lo;
}

Subtask #1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 212 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 25.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 212 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 27.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 212 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 29.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 212 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 9.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 212 KB Output isn't correct
2 Halted 0 ms 0 KB -