Submission #983693

#	Time	Username	Problem	Language	Result	Execution time	Memory
983693		mmk	Jelly Flavours (IOI20_jelly)	C++14	24 / 100	99 ms	54148 KiB

jelly

#include "jelly.h"
#include <vector>
#include<bits/stdc++.h>
using namespace std;
const int MAXN = 2e3 + 10;
const int MAXM = 1e4 + 10;

int dp[MAXN][MAXM];

int calc(int i, int x, int y, int N, vector<int> &a, vector<int> &b)
{
	if(x < 0 || y < 0) return -1;
	if(dp[i][y] != 0) return dp[i][y];
	if(i > N) return 0;

	int op1 = calc(i + 1, x - a[i - 1], y, N, a, b) + 1;
	int op2 = calc(i + 1, x, y - b[i - 1], N , a, b) + 1;

	dp[i][y] = max(op1,op2);
	return dp[i][y];
}

bool cmp(pair<int,int> a, pair<int,int> b)
{
	if(a.first == b.first) return a.second < b.second;
	return a.first < b.first;
}

int find_maximum_unique(int x, int y, std::vector<int> a, std::vector<int> b) {
	int N = a.size();
	vector<pair<int,int>> aux;
	for(int i = 0; i < N; i++)
		aux.push_back({a[i],b[i]});

	sort(aux.begin(),aux.end(),cmp);
	for(int i = 0; i < N; i++)
	{
		a[i] = aux[i].first;
		b[i] = aux[i].second;
	}


	return calc(1,x,y,N,a,b);

}

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