Submission #1001821

#	Time	Username	Problem	Language	Result	Execution time	Memory
1001821		ayankarimova	Detecting Molecules (IOI16_molecules)	C++14	0 / 100	302 ms	65536 KiB

molecules

#include "molecules.h"
#include <bits/stdc++.h>
using namespace std;
#define ll long long
std::vector<int> find_subset(int l, int u, std::vector<int> w) {
    vector<int>ans;
    map<ll, ll>mp;
    for(auto i:w)
        mp[i]++;
    for(auto i:mp){
        ll num=(l+i.first-1)/i.first;
        if(num<=i.second && num*i.first<=u){
            for(int j=1; j<=num; j++){
                ans.push_back(i.first);
            }
                //cout<<1<<endl;
            return ans;
        }
            if(mp[i.first+1]){
                ll cur=l-i.second*i.first;
                ll num1=(cur+(i.first+1)-1)/(i.first+1);
                if(num1<=mp[i.first+1] && i.second*i.first+num1*(i.first+1)<=u){
                    for(int j=1; j<=i.second; j++){
                        ans.push_back(i.first);
                    }
                    for(int j=1; j<=num1; j++){
                        ans.push_back(i.first+1);
                    }
                    //cout<<2<<endl;
                    return ans;
                }
            }
            if(mp[i.first-1]){
                ll cur=l-i.second*i.first;
                ll num1=(cur+(i.first-1)-1)/(i.first-1);
                if(num1<=mp[i.first-1] && i.second*i.first+num1*(i.first-1)<=u){
                    for(int j=1; j<=i.second; j++){
                        ans.push_back(i.first);
                    }
                    for(int j=1; j<=num1; j++){
                        ans.push_back(i.first-1);
                    }
                    //cout<<3<<endl;
                    return ans;
                }
            }
        }

    return ans;
}
/*
{} []
7
13 14
2 2 3 3 3 4 4
*/

• Subtask 1: 0 / 9
• Subtask 2: 0 / 10
• Subtask 3: 0 / 12
• Subtask 4: 0 / 15
• Subtask 5: 0 / 23
• Subtask 6: 0 / 31