Submission #290804

#	Time	Username	Problem	Language	Result	Execution time	Memory
290804		REALITYNB	Detecting Molecules (IOI16_molecules)	C++14	100 / 100	63 ms	7160 KiB

molecules

#include <bits/stdc++.h> 
#define ll long long 
#define all(a) a.begin(),a.end() 
#define mp make_pair
#define F first 
#define S second 
#define pii pair<long long ,int> 
using namespace std; 
vector<int> find_subset(int l , int r , vector<int> a){
    int n = a.size() ; 
    vector<pii> w(n) ; 
    ll sum = 0 ; 
    for(int i=0;i<n;i++){
        w[i].F=a[i] ; 
        sum+=a[i] ; 
        w[i].S =i ; 
    }
    sort(all(w)) ; 
    vector<int> poop ; 
    //for(int i=1;i<n;i++) w[i].F+=w[i-1].F ; 
    sum=0 ;
    int L = 0  , R= 0 ; 
    while(R<n){
        sum+=w[R].F ; 
        while(sum>r){
            sum-= w[L].F ; 
            L++; 
        }
        if(l<=sum&&sum<=r) break ; 
        R++ ; 
    }
//    vector<int> poop ; 
    if(R==n) return poop ; 
    for(int i=L;i<=R;i++)poop.push_back(w[i].S) ; 
    return poop ; 
}

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