Submission #777761

#	Time	Username	Problem	Language	Result	Execution time	Memory
777761		JoenPoenMan	Detecting Molecules (IOI16_molecules)	C++17	31 / 100	330 ms	27348 KiB

molecules

#include "molecules.h"
#include <bits/stdc++.h>
 
using namespace std;
 

unordered_map<int, vector<int>> dp{};

std::vector<int> find_subset(int l, int u, std::vector<int> w) {
    for (int i = 0; i < (int)w.size(); i++) {
        int prev = -1;
        for (int j = l-1; j > 0 && prev - 1000 < j; j--) {
            if (dp[j].size() > 0 && j+w[i] <= u) {
                prev = j;
                dp[j+w[i]] = dp[j];
                dp[j+w[i]].push_back(i);
                if (j+w[i] >= l) return dp[j+w[i]]; 
            }
        }
        dp[w[i]] = {i};
        if (w[i] >= l && w[i] <= u) return dp[w[i]];
    }
 
    return std::vector<int>(0);
}

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