Submission #600330

#	Time	Username	Problem	Language	Result	Execution time	Memory
600330		amin	Detecting Molecules (IOI16_molecules)	C++14	46 / 100	21 ms	1492 KiB

molecules

#include "molecules.h"
#include<bits/stdc++.h>
 using namespace std;
std::vector<int> find_subset(int l, int u, std::vector<int> w) {


    long dp[30000];
    long pre[30000];
    long n=w.size();
    long a[w.size()];
    for(long i=0;i<n;i++)
    {
        a[i]=w[i];
    }
    vector<int>ans;
    queue<long>q;
    for(long i=1;i<30000;i++)
    {
        pre[i]=0;
        dp[i]=0;
    }
    pre[0]=-1;
    dp[0]=1;
    long o=-1;
        for(long i=0;i<n;i++)
    {

        for(long y=0;y<u;y++)
        {
            if(dp[y]==1&&dp[y+a[i]]==0)
            {
                q.push(y+a[i]);
            }
        }
          while(!q.empty())
        {
            dp[q.front()]=1;

            pre[q.front()]=i;
            if(q.front()>=l&&q.front()<=u)
            {
                o=q.front();
                break;
            }
            q.pop();
        }
        if(o!=-1)
            break;
    }
    if(o==-1)
        return ans;
    while(o!=0)
    {
        ans.push_back(pre[o]);
    o-=a[pre[o]];
    }
    reverse(ans.begin(),ans.end());
    return ans;




}

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