Submission #426595

#	Time	Username	Problem	Language	Result	Execution time	Memory
426595		Apiram	Jelly Flavours (IOI20_jelly)	C++14	44 / 100	153 ms	152084 KiB

jelly

#include "jelly.h"
#include <cstdio>
#include <cassert>
#include <vector>
#include<bits/stdc++.h>
using namespace std;
int find_maximum_unique(int x, int y, std::vector<int> arr, std::vector<int> brr) {
	int n = arr.size();
	bool ok=true;
	bool okay=true;
	for (int i =0;i<n;++i){
		if (arr[i]!=brr[i]){
			ok=false;
		}
		if (i>0){
			if (brr[i]!=brr[i-1])okay=false;
		}
	}
	if (okay){
		vector<pair<int,int>>crr(n);
		for (int i=0;i<n;++i){
			crr[i]={arr[i],brr[i]};
		}
		sort(crr.begin(),crr.end());
		int ans=0;
		n--;
		while(n>=0){
			if (y-crr[n].second>=0){
				y-=crr[n].second;
				--n;
				ans++;
			}
			else break;
		}
		for (int i =0;i<=n;++i){
			if (x-crr[i].first<0)break;
			x-=crr[i].first;
			ans++;
		}
		return ans;
	}
	if (!ok){
	vector<pair<int,int>>crr;
	for(int i =0;i<n;++i){
		crr.push_back({brr[i],arr[i]});
	}
	sort(crr.begin(),crr.end());
	vector<pair<int,int>>dp(x+1,{-1,-1});
	dp[0]={0,0};
	for (int i =0;i<n;++i){
		for (int j =x;j>=0;--j){
			if (dp[j].first==-1)continue;
			if (j+crr[i].second<=x&&(dp[j+crr[i].second].first==-1||dp[j+crr[i].second].first<dp[j].first+1)){
				dp[j+crr[i].second].first = dp[j].first+1;
				dp[j+crr[i].second].second=dp[j].second;
			}
			if (dp[j].second+crr[i].first<=y){
				dp[j].second=dp[j].second+crr[i].first;
				dp[j].first=dp[j].first+1;
				
				
			}
		}
	}
	int ans=0;
	for (int i =0;i<=x;++i){
		if (dp[i].second<=y)
		ans=max(ans,dp[i].first);
	}
	return ans;
	
	}
	else {
		int dp1[n+1][x+y+1];
		memset(dp1,0,sizeof dp1);
		for (int i =1;i<=n;++i){
			for (int j =0;j<=x+y;++j){
			dp1[i][j] = max({(j-arr[i-1]>=0)?dp1[i-1][j-arr[i-1]]+1:0,dp1[i][j],dp1[i-1][j]});
		}
	}
	return dp1[n][x+y];
}
}

• Subtask 1: 11 / 11
• Subtask 2: 0 / 24
• Subtask 3: 9 / 9
• Subtask 4: 10 / 10
• Subtask 5: 14 / 14
• Subtask 6: 0 / 32