Submission #52627

#	Time	Username	Problem	Language	Result	Execution time	Memory
52627		alenam0161	Detecting Molecules (IOI16_molecules)	C++17	100 / 100	67 ms	31932 KiB

molecules

#include "molecules.h"
#include <iostream>
#include <algorithm>
#include <vector>
using namespace std;
struct po{
    int fi;
    int se;
    po(int _x=0,int _y=0){
        fi=_x;se=_y;
    }
    bool operator<(const po&oth){
    return fi<oth.fi;
    }
};
std::vector<int> find_subset(int l, int u, std::vector<int> w) {
    long long sum=0;
    po e;
    vector<po> all;
    int n=w.size();
    for(int i=0;i<n;++i)all.push_back(po(w[i],i));
    sort(all.begin(),all.end());
    int le=0;
    int r=-1;
    while(true){
        while(r<n&&sum<l){
            sum+=all[++r].fi;
        }
        if(r==n&&sum<l){
            break;
        }
        if(sum>=l&&sum<=u){
            vector<int> ans;
            for(int j=le;j<=r;++j){
                ans.push_back(all[j].se);
            }
     //       cout<<sum<<" "<<le<<" "<<r<<endl;
            return ans;
        }
        sum-=all[le++].fi;
    }
    return std::vector<int>();
}

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