Submission #483325

#	Time	Username	Problem	Language	Result	Execution time	Memory
483325		MOUF_MAHMALAT	Lottery (CEOI18_lot)	C++14	20 / 100	114 ms	844 KiB

lot

#include<bits/stdc++.h>
#define all(s) s.begin(),s.end()
#define F first
#define S second
using namespace std;
typedef int ll;
const ll mod=1e9+7;
ll n,q,l,a[10000],x,f[10000];
map<ll,ll>mp;
int main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0),cout.tie(0);
    cin>>n>>l;
    f[0]=1;
    for(ll i=1;i<=n;i++)
        f[i]=(1LL*f[i-1]*1021)%mod;
    for(ll i=0;i<n;i++)
        cin>>a[i];
    for(ll i=0;i+l-1<n;i++)
    {
        x=0;
        for(ll j=i;j<i+l;j++)
            x=(1LL*x+1LL*f[j-i]*a[j])%mod;
        mp[x]++;
        a[i]=x;
    }
    cin>>q;
    while(q--)
    {
        cin>>x;
        for(ll i=0;i+l-1<n;i++)
           cout<<mp[a[i]]-1<<" ";
    }
    return 0;
}

• Subtask 1: 0 / 25
• Subtask 2: 0 / 20
• Subtask 3: 20 / 20
• Subtask 4: 0 / 15
• Subtask 5: 0 / 20