Submission #426314

#	Time	Username	Problem	Language	Result	Execution time	Memory
426314		Apiram	Jelly Flavours (IOI20_jelly)	C++14	10 / 100	2 ms	356 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;break;
		}
		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){
	int dp [n+1][x+1][y+1];
	memset(dp,0,sizeof dp);
	for (int i =1;i<=n;++i){
		for (int j =0;j<=x;++j){
			for (int k =0;k<=y;++k){
				dp[i][j][k] = max({(j-arr[i-1]>=0)?dp[i-1][j-arr[i-1]][k]+1:0,(k-brr[i-1]>=0)?dp[i-1][j][k-brr[i-1]]+1:0,dp[i-1][j][k],dp[i][j][k]});
			}
		}
	}
	return dp[n][x][y];}
	else {
		int ans=0,ans2=0;
		vector<pair<int,int>>crr(n);
		for (int i=0;i<n;++i){
			crr[i]={arr[i],brr[i]};
		}
		int temp1=x,temp2=y;
		sort(crr.begin(),crr.end(),[&](pair<int,int>a,pair<int,int>b){
			if (a.first==b.first){
				return a.second<b.second;
			}
			return a.first<b.first;
			});
		for (int i =0;i<n;++i){
			if (x-crr[i].first<y-crr[i].second ){
				if (y-crr[i].second<0)continue;
				y-=crr[i].second;
				ans++;
			}
			else {
				if (x-crr[i].first<0)continue;
				x-=crr[i].first;
				ans++;
			}
		}
		x=temp1,y=temp2;
		for (int i =0;i<n;++i){
			if (x-crr[i].first>y-crr[i].second ){
				if (x-crr[i].first<0)continue;
				x-=crr[i].first;
				ans2++;
				
			}
			else {
				if (y-crr[i].second<0)continue;
				y-=crr[i].second;
				ans2++;
			}
		}
		return max(ans,ans2);
	}

}

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