제출 #318510

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
318510		neki	비스킷 담기 (IOI20_biscuits)	C++14	0 / 100	1101 ms	102500 KiB

biscuits

#include <bits/stdc++.h>
#include "biscuits.h"
#define loop(i, a, b) for(long long i=a;i<b;i++)
#define pool(i, a, b) for(long long i=a-1;i>=b;i--)
#define fore(i, a) for(auto&& i:a)
#define fi first
#define se second
#define ps(a) push_back(a)
#define pb(a) pop_back(a)
#define sc scanf
#define vc vector
#define pa pair<ll, ll>
#define ll long long
#define lb lower_bound
#define ub upper_bound
#define all(a) a.begin(), a.end()
#define llmax LLONG_MAX/2
#define llmin -LLONG_MAX/2
using namespace std;
#define mn 20000
#define pa pair<ll, ll>
#define ld long double 

ll k, a[mn], x;
map<ll, ll> dp[mn];
ll solve(ll ind){
    if(dp[ind].find(a[ind])!=dp[ind].end()) return dp[ind][a[ind]];
    if(ind>=k  and a[ind]<x) return 1;
    ll ret=0;
    if(a[ind]>=x){
        a[ind+1]+=(a[ind]-x)/2;
        ret+=solve(ind+1);
        a[ind+1]-=(a[ind]-x)/2;
    }
    a[ind+1]+=(a[ind])/2;
    ret+=solve(ind+1);
    a[ind+1]-=(a[ind])/2;
    dp[ind][a[ind]]=ret;
    return ret;
}
ll count_tastiness(ll X, vector<ll> A){
    k=A.size();
    x=X;loop(i, 0, k)  a[i]=A[i];
    return solve(0);
}

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