Submission #843220

#	Time	Username	Problem	Language	Result	Execution time	Memory
843220		Mr_Husanboy	Detecting Molecules (IOI16_molecules)	C++17	9 / 100	1 ms	600 KiB

molecules

#include <bits/stdc++.h>
#include "molecules.h"

using namespace std;

template<typename T>
int len(T &a){return a.size();}

vector<int> find_subset(int l, int u, vector<int> w) {
    int n = len(w);

    vector<int> dp(u + 1);
    dp[0] = 1; 

    vector<int> par(u + 1);
    sort(w.begin(), w.end());

    for(int i = 0; i < n; i ++){
        for(int j = u; j >= w[i]; j --){
            if(!dp[j] && dp[j - w[i]]){
                
                par[j] = i;
                dp[j] = 1;
                if(l<=j && j<=u){i = n; break;}
            }
        }
    }
    int yes = -1;
    for(int i = l; i <= u; i ++) if(dp[i]) yes = i;
    if(yes == -1) return {};
    vector<int> ans;
    while(yes != 0){
        ans.push_back(par[yes]);
        yes -= w[par[yes]];
    }
    reverse(ans.begin(), ans.end());

    return ans;
}

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