Submission #955583

#	Time	Username	Problem	Language	Result	Execution time	Memory
955583		Trisanu_Das	Packing Biscuits (IOI20_biscuits)	C++17	21 / 100	1073 ms	55240 KiB

biscuits

#include "biscuits.h"
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
vector<ll>a;
map<pair<ll,ll>,bool>b;
map<pair<ll,ll>,ll>mp;
ll x,n=61;
ll best(ll d,ll k)
{
    if(d==61)
        return 1;
    pair<ll,ll>id={d,k};
    if(b[id])
        return mp[id];
    b[id]=1;
    ll &r=mp[id];
    k+=a[d];
    if(k>=x)
        return r=best(d+1,k/2)+best(d+1,(k-x)/2);
    return r=best(d+1,k/2);
}
long long count_tastiness(ll X, vector<ll> A)
{
    x=X,a=A,a.resize(n);
    b.clear(),mp.clear();
    return best(0,0);
}

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