제출 #173947

#제출 시각아이디문제언어결과실행 시간메모리
173947CaroLindaDetecting Molecules (IOI16_molecules)C++14
31 / 100
104 ms65540 KiB
#include "molecules.h"
#include <bits/stdc++.h>
 
#define debug printf
#define lp(i,a,b) for(int i = a ; i < b ; i++ )
#define ff first
#define ss second
#define pb push_back
#define mk make_pair
#define ll long long
#define sz size()
#define pii pair<int,int>
#define all(x) x.begin(),x.end()
#define tiii tuple<int,int,int>
#define mkt make_tuple
 
const int MAX = 10010 ;
 
using namespace std ;
 
bool dp[MAX][MAX] ;
vector<int> res ;
 
vector<int> find_subset(int l, int u, vector<int> w) 
{
    
	int cnt = 1 ;
 
	dp[0][0] = true ;
 
	for(int i : w)
	{
 
		if( u > 1000 )
			lp(j,0,u+1) dp[cnt][j] = dp[cnt-1][j] ;
		
		else
		for(int j = u ; j >= 0 ; j-- )
		{
			dp[cnt][j] = dp[cnt-1][j] ;
			if( j + i <= u )
				dp[cnt][j+i] |= dp[cnt-1][j] ;
		}
 
		cnt ++ ;
 
	}
		
 
	cnt -- ;
 
	int ok = -1 ;
 
	lp(i,l,u+1)
		if( dp[cnt][i] ) ok = i ;
 
	if( ok == -1 ) return res ;
 
	for(int i = cnt ; i > 0 ; i-- )
		if( w[i-1] <= ok && dp[i][ok] && dp[i-1][ok-w[i-1]] )
		{
			res.pb(i-1) ;
			ok -= w[i-1] ;
		}
 
	sort(all(res));
 
	return res ;
 
}
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