Submission #423600

#	Time	Username	Problem	Language	Result	Execution time	Memory
423600		vanic	Detecting Molecules (IOI16_molecules)	C++14	46 / 100	131 ms	552 KiB

molecules

#include "molecules.h"
#include <vector>
#include <cmath>
#include <algorithm>
#include <cstring>

using namespace std;

const int maxn=1e4+5;

int dp[maxn];
int pos[maxn];
vector < int > sol;

void rijesi(int x){
	if(!x){
		return;
	}
	sol.push_back(pos[x]);
	rijesi(dp[x]);
}

void dodaj(int x, int poz){
	for(int i=maxn-1; i>=x; i--){
		if(dp[i]==-1 && dp[i-x]!=-1){
			dp[i]=i-x;
			pos[i]=poz;
		}
	}
}

vector < int > find_subset(int l, int u, vector < int > w) {
	memset(dp, -1, sizeof(dp));
	dp[0]=0;
	int n=w.size();
	for(int i=0; i<n; i++){
		dodaj(w[i], i);
	}
	for(int i=l; i<=u; i++){
		if(dp[i]!=-1){
			rijesi(i);
			return sol;
		}
	}
	return sol;
}

• Subtask 1: 9 / 9
• Subtask 2: 10 / 10
• Subtask 3: 12 / 12
• Subtask 4: 15 / 15
• Subtask 5: 0 / 23
• Subtask 6: 0 / 31