Submission #1026376

#	Time	Username	Problem	Language	Result	Execution time	Memory
1026376		ezzzay	Detecting Molecules (IOI16_molecules)	C++14	100 / 100	40 ms	9880 KiB

molecules

#include "molecules.h"
#include<bits/stdc++.h>
using namespace std;
const int N=2e5+5;
#define ll long long
#define pb push_back
#define ff first
#define ss second
std::vector<int> find_subset(int l, int u, std::vector<int> w) {
    int n=w.size();
    vector<pair<ll,ll>>vc;
    for(int i=0;i<n;i++){
        vc.pb({w[i],i});
    }
    sort(vc.begin(),vc.end());
    int L=0,R=-1;
    ll s=0;
    int x=-1,y=-1;
    while(1){
        if(s<l){
            R++;
            if(R==n)break;
            s+=vc[R].ff;
        }
        else if(l<=s and s<=u){
            x=L;
            y=R;
            break;
        }
        else{
            s-=vc[L].ff;
            L++;
        }
        
    }
    vector<int>ans;
    if(x==y and x==-1)return ans;
    for(int i=x;i<=y;i++){
        ans.pb(vc[i].ss);
    }
    return ans;
}

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