Submission #432404

#	Time	Username	Problem	Language	Result	Execution time	Memory
432404		MOUF_MAHMALAT	비스킷 담기 (IOI20_biscuits)	C++14	0 / 100	2 ms	332 KiB

biscuits

#include "biscuits.h"
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
vector<ll>a;
ll x,n,dp[65];
ll best(ll d)
{
    if(d==-1)
        return 1;
    ll &r=dp[d];
    if(r!=-1)
        return r;
    r=best(d-1);
    ll c=0;
    for(ll i=d;i>=0;i--)
    {
        c+=a[i]/(1<<(d-i));
        if(c==x)
            return r+=best(i-1);
    }
    return r;
}
long long count_tastiness(ll X, vector<ll> A)
{
    x=X,a=A,n=a.size();
    for(ll i=0; i<n; i++)
    {
        if(a[i]<x)
        {
            a[i]=0;
            continue;
        }
        ll op=a[i]-x;
        a[i]=x;
        if(i<n-1)
            a[i+1]+=op/2;
    }
    memset(dp,-1,sizeof dp);
    return best(n-1);
}

• Subtask 1: 0 / 9
• Subtask 2: 0 / 12
• Subtask 3: 0 / 21
• Subtask 4: 0 / 35
• Subtask 5: 0 / 23