Submission #1062092

#	Time	Username	Problem	Language	Result	Execution time	Memory
1062092		YassirSalama	Packing Biscuits (IOI20_biscuits)	C++17	0 / 100	1 ms	348 KiB

biscuits

#include "biscuits.h"
#include<bits/stdc++.h>
using namespace std;
#define int long long
#define all(v) v.begin(),v.end()
template<typename T>
void dbg(const T& t){
	cout<<t<<endl;
}
template<typename T,typename... Args>
void dbg(const T& t,const Args&... args){
	cout<<t<<" , ";
	dbg(args...);
}
#define dbg(...) cout<<"("<<#__VA_ARGS__<<") : ";dbg(__VA_ARGS__);
int count_tastiness(int x, vector<int> a) {
	int n=a.size();
	int s=0;
	for(int i=0;i<n;i++){
		s+=a[i]*(1LL<<i);
	}
	int ans=s+1;
	vector<int> b(61);
	for(int i=0;i<n;i++) b[i]=a[i];
	// dbg(s)
	for(int i=0;i<61;i++){
		if(i>=n)  break;
		if(b[i]==0){
			int n=s+1;
			int k=i;
			long long res = (n >> (k + 1)) << k;
			if((n>>k)&1) res+=n&((1LL<<k)-1);
			ans-=res;
			// dbg(i,res)
		}
	}
	return ans;
}
int cnt(int x, vector<int> a) {
	int n=a.size();
	int ans = 0;
	int s=0;
	for(int i=0;i<n;i++){
		s+=a[i]*(1LL<<i);
	}
	auto check = [&](int mid,int y){
		vector<int> b(61);
		int m=61;
		for(int i=0;i<n;i++) b[i]=a[i];
		for(int j=0;j<m;j++){
			if((1LL<<j)&y){
				if(b[j]<mid) return false;
				b[j]-=mid;
			}
			if(j+1<m) b[j+1]+=(b[j]>>1);
		}
		return true;
	};
	for(int y=0;y<=s;y++){
		if(check(x,y)){
			ans++;
		}
	}
	return ans;
}

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