Submission #427290

#	Time	Username	Problem	Language	Result	Execution time	Memory
427290		jk410	Detecting Molecules (IOI16_molecules)	C++17	100 / 100	65 ms	6172 KiB

molecules

#include <bits/stdc++.h>
#include "molecules.h"
using namespace std;
typedef long long ll;
struct molecule{
    int w,idx;
    bool operator<(const molecule &t)const{
        return w<t.w;
    }
};
int N,s,e;
ll Sum;
vector<molecule> V;
vector<int> ans;
vector<int> find_subset(int l,int u,vector<int> w) {
    N=w.size();
    for (int i=0; i<N; i++)
        V.push_back({w[i],i});
    sort(V.begin(),V.end());
    for (int i=0,j=0; i<N; i++){
        while (j<N&&Sum<l)
            Sum+=V[j++].w;
        if (l<=Sum&&Sum<=u){
            for (int t=i; t<j; t++)
                ans.push_back(V[t].idx);
            return ans;
        }
        Sum-=V[i].w;
    }
    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