Submission #1037956

#	Time	Username	Problem	Language	Result	Execution time	Memory
1037956		vjudge1	Detecting Molecules (IOI16_molecules)	C++17	100 / 100	37 ms	4792 KiB

molecules

#include "molecules.h"

#include<bits/stdc++.h>
using namespace std;

using lint=int64_t;

std::vector<int> find_subset(int l, int u, std::vector<int> w) {
    lint cursum=0;
    int n=w.size();
    int p[n];
    iota(p,p+n,0);
    sort(p,p+n,[&](int i,int j)->bool {
        return w[i]<w[j];
    });
    int left=n;
    deque<int>ans;
    while(0<left&&cursum<l){
        cursum+=w[p[--left]];
        ans.push_back(p[left]);
    }
    if(cursum<l){
        return vector<int>(0);
    }
    while(0<left&&u<cursum){
        cursum-=w[ans.front()];
        ans.pop_front();
        cursum+=w[p[--left]];
        ans.push_back(p[left]);
    }
    if(u<cursum){
        return vector<int>(0);
    }
    return vector<int>(ans.begin(),ans.end());
}

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