Submission #747734

#	Time	Username	Problem	Language	Result	Execution time	Memory
747734		Rafi22	Packing Biscuits (IOI20_biscuits)	C++14	0 / 100	1 ms	340 KiB

biscuits

#include <bits/stdc++.h>

using namespace std;

#define endl '\n'
#define st first
#define nd second
#define pb push_back
#define sz(x) (int)(x).size()
#define all(x) (x).begin(), (x).end()
#define ll long long
ll mod=1000000007;
int inf=1000000007;
ll infl=1000000000000000007;

const int K=67;

ll ile[K][K];

ll count_tastiness(ll x, vector<ll>a)
{
    int k=sz(a);
    for(int i=0;i<k;i++)
    {
        ll c=0;
        for(int j=i;j<k;j++)
        {
            c=c/2+a[j];
            ile[i][j]=c;
        }
    }
    vector<pair<ll,pair<ll,int>>>V;
    V.pb({0,{0,-1}});
    for(int i=0;i<k;i++)
    {
        for(auto [p,z]:V)
        {
            ll a=z.st;
            int j=z.nd;
            if(a>=(1<<i)) break;
            ll q=p/(1<<(i-j))+ile[j+1][i];
            if(q<x) break;
            V.pb({q-x,{a+(1<<i),i}});
        }
    }
    return sz(V);
}

/*int main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    cout<<count_tastiness(3, {5, 2, 1});
    return 0;
}*/

Compilation message (stderr)

biscuits.cpp: In function 'long long int count_tastiness(long long int, std::vector<long long int>)':
biscuits.cpp:36:18: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   36 |         for(auto [p,z]:V)
      |                  ^

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