Submission #983699

#TimeUsernameProblemLanguageResultExecution timeMemory
983699mmkJelly Flavours (IOI20_jelly)C++14
11 / 100
2047 ms12076 KiB
#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(x < 0) return calc(i + 1,0,y,N,a,b);
	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;
	int op3 = calc(i + 1,x,y,N,a,b);

	dp[i][y] = max(op1,max(op2,op3));
	cerr << dp[i][y] << " " << i << " " << y << "\n";
	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);
	int comp = 0;
	int novo = N;
	for(int i = 0; i < N; i++)
	{
		if(aux[i].first == 0 || aux[i].second == 0)
		{
			comp++;
			novo--;
			continue;
		}
		a[i] = aux[i].first;
		b[i] = aux[i].second;
		// cerr << a[i] << " " << b[i] << "\n";
	}
	N = novo;
	return calc(1,x,y,N,a,b) + comp;
}
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