Submission #1303674

#	Time	Username	Problem	Language	Result	Execution time	Memory
1303674		thelegendary08	비스킷 담기 (IOI20_biscuits)	C++17	0 / 100	1 ms	572 KiB

biscuits

#include "biscuits.h"
#include<bits/stdc++.h>
#define int long long
#define pb push_back
#define mp make_pair
#define vi vector<int>
#define f0r(i,n) for(int i = 0; i<n; i++)
#define FOR(i, k, n) for(int i = k; i<n; i++)
#define dout(x) cout<<x<<' '<<#x<<'\n';
#define vout(x) for(auto u : x)cout<<u<<' '; cout<<'\n';
#define vb vector<bool>
using namespace std;
map<pair<int,int>,int>ans; vi p;
int f(int x, int y){
	// cout<<x<<' '<<y<<'\n';
	if(ans.count(mp(x,y)))return ans[mp(x,y)]; 
	if(x==0)return 1; 
	if(y==1)return 2; 
	int r1 = x - (1LL << (y-1)); int res = 0; if(r1 >= 0){
		r1 = min(r1, p[y-1]); res += f(r1, y-1); 
	}
	int r2 = x; r2 = min(r2, p[y-1]);  res += f(r2, y-1); 
	ans[mp(x,y)] = res; return res; 
}
long long count_tastiness(long long x, std::vector<long long> a) {
	int n = a.size();
	p.resize(n+1); p[1] = a[0]; FOR(i,2,n+1)p[i] = p[i-1] + (1LL << (i-1)) * a[i-1]; 
	f0r(i,n+1)p[i]/=x;
	return f(p[n], n); 
	return 0;
}

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