Submission #917964

#	Time	Username	Problem	Language	Result	Execution time	Memory
917964		PM1	Lottery (CEOI18_lot)	C++17	20 / 100	203 ms	928 KiB

lot

#include <bits/stdc++.h>
using namespace std;
#define ll long long
const int mxn=1e4+5,M=1e9+7;
ll ans[mxn],n,q,a[mxn],l,base=727;
map<int,int>mp;
int main(){
	ios::sync_with_stdio(false);
	cin.tie(0);
	cout.tie(0);
	cin>>n>>l;
	for(int i=1;i<=n;i++)
		cin>>a[i];
	for(int i=1;i<=n-l+1;i++){
		ll hs=0;
		for(int j=i;j<i+l;j++){
			hs=((hs*base)%M+a[j])%M;
		}
		ans[i]=hs;
		mp[hs]++;
	}
	cin>>q;
	for(int i=1;i<=q;i++){
		int x;
		cin>>x;
		for(int j=1;j<=n-l+1;j++){
			cout<<mp[ans[j]]-1<<" ";
		}
		cout<<'\n';
	}
}

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