Submission #1212653

#	Time	Username	Problem	Language	Result	Execution time	Memory
1212653		hengliao	Packing Biscuits (IOI20_biscuits)	C++20	9 / 100	1096 ms	416 KiB

biscuits

#pragma GCC optimize("O4,Ofast")
#include "biscuits.h"
#include<bits/stdc++.h>
using namespace std;

#define F first
#define S second
#define vll vector<ll>
#define pll pair<ll, ll>
#define pb push_back

typedef long long ll;
typedef __int128 i128;

namespace{
    ll k;
	const ll mxN=2e5+5;
	const ll inf=2e18;
    const ll LOG=63;
	ll a[LOG];
    vll v[LOG+1];
}

long long count_tastiness(long long x, vector<long long> A) {
	k=A.size();
	for(ll i=0;i<LOG;i++){
		v[i].clear();
	}
    memset(a, 0, sizeof(a));
    for(ll i=0;i<k;i++){
        a[i]=A[i];
    }
    ll ans=0;
    for(ll i=0;i<=mxN;i++){
        ll sum=0;
        bool good=1;
        for(ll j=0;j<LOG;j++){
            sum+=a[j]*(1LL<<j);
            ll tep=i&((1LL<<(j+1))-1);
            if(sum/x<tep){
                good=0;
                break;
            }
        }
        if(good) ans++;
    }

    // cout<<"_______\n";

    return ans;
}

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