제출 #415229

#제출 시각아이디문제언어결과실행 시간메모리
415229mosiashvililukaPacking Biscuits (IOI20_biscuits)C++14
100 / 100
23 ms1316 KiB
#include "biscuits.h"
#include<bits/stdc++.h>
using namespace std;
long long a,b,c,d,e,i,j,ii,jj,zx,xc,f[209],x,S[209],JM,xr[209],E,jm,v[200009],vi,y;
long long g[209];
long long tes,te;
long long fun(long long q){
	if(q<0) return 0;
	if(q==0) return 1;
	long long w=0;
	while(xr[w]<=q) w++;
	w--;
	if(xr[w+1]-1==q) return g[w+1];
	y=S[w]/x;
	return g[w]+fun(min(y,q)-xr[w]);
}
long long count_tastiness(long long Xx, std::vector<long long> A) {
	x=Xx;
	a=A.size();a--;
	for(i=0; i<=a; i++){
		f[i]=A[i];
	}
	for(i=a+1; i<=a+135; i++){
		f[i]=0;
	}
	xr[0]=1;
	for(i=1; i<=62; i++){
		xr[i]=xr[i-1]*2;
	}
	jm=0;
	for(i=0; i<=a; i++){
		jm+=f[i]*xr[i];
	}
	JM=0;
	g[0]=1;vi=1;
	for(i=0; i<=a+134; i++){
		JM+=f[i]*xr[i];
		if(xr[i]>jm) break;
		S[i]=JM;
		y=S[i]/x;
		//g[i+1]=fun(xr[i+1]-1);
		g[i+1]=g[i]+fun(min(y,xr[i+1]-1)-xr[i]);
		vi=g[i+1];
	}
	//return v.size();
	return vi;
}
 
 
/*int main(){
	ios_base::sync_with_stdio(false),cin.tie(0),cout.tie(0);
	cin>>tes;
	//tes=1;
	for(te=1; te<=tes; te++){
	cin>>a>>x;
	vector <long long> A;
	for(i=0; i<a; i++){
		cin>>c;
		A.push_back(c);
	}
	cout<<count_tastiness(x,A)<<endl;
	//count_tastiness(x,A);
	}
	return 0;
}*/
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