Submission #530703

#	Time	Username	Problem	Language	Result	Execution time	Memory
530703		Cyanmond	Detecting Molecules (IOI16_molecules)	C++17	0 / 100	99 ms	65540 KiB

molecules

#include <bits/stdc++.h>

template <typename T> using Vec = std::vector<T>;

std::vector<int> find_subset(int L, int R, std::vector<int> W) {
    const int N = (int)W.size();
    Vec<int> dp(R + 1, N);
    dp[0] = -1;
    for (int i = 0; i < N; ++i) {
        for (int j = 0; j <= R - W[i]; ++j) {
            if (dp[j] == N) continue;
            const int next_w = j + W[i];
            if (dp[next_w] == N) dp[next_w] = i;
        }
    }

    for (int answer_w = L; answer_w <= R; ++answer_w) {
        if (dp[answer_w] == -1) continue;

        Vec<int> answer;
        int now = answer_w;
        while (now != 0) {
            const int new_id = dp[now];
            answer.push_back(new_id);
            now -= W[new_id];
        }

        return answer;
    }

    return {};
}

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