Submission #942854

#	Time	Username	Problem	Language	Result	Execution time	Memory
942854		vjudge1	Fibonacci representations (CEOI18_fib)	C++17	5 / 100	888 ms	45308 KiB

fib

#include <bits/stdc++.h>
#define int long long
#define ff first
#define ss second
#define pb push_back
#define all(x) x.begin(),x.end()
using namespace std;
const int mod=1e9+7;
int f[30];
signed main(){
    ios_base::sync_with_stdio();
    cin.tie(0);cout.tie(0);

    int n;
    cin>>n;
    vector <int> a(n);
    f[1]=1;f[2]=2;
    for(int i=3;i<=20;i++)f[i]=f[i-1]+f[i-2];
    for(int i=0;i<n;i++){
        cin>>a[i];
        a[i]=f[a[i]];
        if(i-1>=0)a[i]+=a[i-1];
    }
    for(int i=0;i<n;i++){
        vector <int> dp(a[i]+1);
        dp[0]=1;
        for(int j=1;j<=20;j++){
            for(int k=a[i];k>=f[j];k--){
                dp[k]+=dp[k-f[j]];
                dp[k]%=mod;
            }
        }
        cout<<dp[a[i]]<<"\n";
    }
}
/*
 
*/

• Subtask 1: 5 / 5
• Subtask 2: 0 / 20
• Subtask 3: 0 / 15
• Subtask 4: 0 / 10
• Subtask 5: 0 / 15
• Subtask 6: 0 / 35