제출 #361775

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
361775		ryansee	비스킷 담기 (IOI20_biscuits)	C++14	0 / 100	2 ms	620 KiB

biscuits

#include "biscuits.h"

#include "bits/stdc++.h"
using namespace std;

#define FAST ios_base::sync_with_stdio(false); cin.tie(0);
#define pb push_back
#define eb emplace_back
#define ins insert
#define f first
#define s second
#define cbr cerr<<"hi\n"
#define mmst(x, v) memset((x), v, sizeof ((x)))
#define siz(x) ll(x.size())
#define all(x) (x).begin(), (x).end()
#define lbd(x,y) (lower_bound(all(x),y)-x.begin())
#define ubd(x,y) (upper_bound(all(x),y)-x.begin())
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
inline long long rand(long long x, long long y) { return rng() % (y+1-x) + x; } //inclusive
string inline to_string(char c) {string s(1,c);return s;} template<typename T> inline T gcd(T a,T b){ return a==0?llabs(b):gcd(b%a,a); }

using ll=long long; 
using ld=long double;
#define FOR(i,s,e) for(ll i=s;i<=ll(e);++i)
#define DEC(i,s,e) for(ll i=s;i>=ll(e);--i)
using pi=pair<ll,ll>; using spi=pair<ll,pi>; using dpi=pair<pi,pi>; 

long long LLINF = 1e18;
int INF = 1e9+1e6;
#define MAXN (200006)
long long count_tastiness(long long x, vector<long long> a) {
	assert(x==0);
	ll n = siz(a);
	ll sum = 0;
	vector<ll> v={0};
	FOR(i,19,n-1) assert(a[i]==0);
	FOR(i,0,min(n-1, 18ll)) {
		sum += a[i] * (1ll<<i);
		ll sz = siz(v);
		FOR(j,0,sz-1) if((v[j] + (1ll<<i)) * x <= sum) {
			v.eb(v[j] + (1ll<<i));
		}
	}
	assert(sum <= (1ll<<19));
	return siz(v);
}

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