Submission #531853

#	Time	Username	Problem	Language	Result	Execution time	Memory
531853		Falcon	Cloud Computing (CEOI18_clo)	C++17	100 / 100	447 ms	1348 KiB

clo

#include <bits/stdc++.h>

#ifdef DEBUG
    #include "debug.hpp"

    #define debug(x...)                                                        \
        do {                                                                   \
            ++dbg::depth;                                                      \
            string dbg_vals = dbg::to_string(x);                               \
            --dbg::depth;                                                      \
            dbg::fprint(__func__, __LINE__, #x, dbg_vals);                     \
        } while (false)
#else
    #define debug(...) 42
#endif

using namespace std;

template<typename T> inline T& ckmin(T& a, T b) { return a = a > b ? b : a; }
template<typename T> inline T& ckmax(T& a, T b) { return a = a < b ? b : a; }

int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(0);

    constexpr int M{50 * 2000};
    constexpr long long INF{1LL << 50};

    vector<tuple<int, int, int>> a;

    int n; cin >> n;
    for (int i{}; i < n; ++i) {
        int c, f, v; cin >> c >> f >> v;
        a.push_back({-f, -v, c});
    }

    int m; cin >> m;
    for (int i{}; i < m; ++i) {
        int c, f, v; cin >> c >> f >> v;
        a.push_back({-f, v, -c});
    }

    sort(a.begin(), a.end());    

    array<long long, M + 1> dp{};
    fill(dp.begin() + 1, dp.end(), -INF);

    for (auto [_, v, c]: a) {
        if (v < 0)
            for (int i{M - c}; i >= 0; --i)
                ckmax(dp[i + c], dp[i] + v);

        if (v > 0)
            for (int i{-c}; i <= M; ++i)
                ckmax(dp[i + c], dp[i] + v);
    }

    cout << *max_element(dp.begin(), dp.end()) << '\n';

    return 0;
}

• Subtask 1: 18 / 18
• Subtask 2: 18 / 18
• Subtask 3: 18 / 18
• Subtask 4: 18 / 18
• Subtask 5: 18 / 18
• Subtask 6: 10 / 10