Submission #308359

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
308359	2020-10-01 01:08:40	Dormi	Packing Biscuits (IOI20_biscuits)	C++14	9 / 100	1108 ms	180596 KiB

biscuits

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#include "bits/stdc++.h"
using namespace std;
using ll = long long;
using pii = pair<int,int>;
using pll = pair<ll,ll>;
template<typename T>
int sz(const T &a){return int(a.size());}
const int MAXN=62;
map<ll,ll> dp[MAXN];
ll am[MAXN];
ll maxam[MAXN];
ll maxwanted[MAXN];
ll x;
ll solve(int loc, ll wanted){
    if(wanted>maxam[loc])return 0;
    if(wanted>maxwanted[loc])return 1;
    if(loc==0){
        ll ans=0;
        if(am[loc]>=wanted)ans++;
        if(am[loc]-x>=wanted)ans++;
        return ans;
    }
    if(dp[loc].count(wanted))return dp[loc][wanted];
    return dp[loc][wanted]=solve(loc-1,ll(2)*max(ll(0),wanted-am[loc]))+solve(loc-1,ll(2)*max(ll(0),wanted+x-am[loc]));
}
ll count_tastiness(ll X, vector<ll> a){//maytlenotsure
    x=X;
    int n=sz(a);
    for(int i=0;i<=60;i++){
        dp[i]=map<ll,ll>();
 
 
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• Subtask 1: 9 / 9
• Subtask 2: 0 / 12
• Subtask 3: 0 / 21
• Subtask 4: 0 / 35
• Subtask 5: 0 / 23