Submission #566464

#	Time	Username	Problem	Language	Result	Execution time	Memory
566464		drdilyor	Cloud Computing (CEOI18_clo)	C++17	18 / 100	481 ms	832 KiB

clo

#ifdef ONPC
    //#define _GLIBCXX_DEBUG
    #define debug(...) cerr << "[" << #__VA_ARGS__ << "]: ", debug_out(__VA_ARGS__)
#else
    #define debug(...) 42
#endif
#define allit(a) (a).begin(), (a).end()
#define memclr(a) memset(a, 0, sizeof(0))
#define sz(a) ((int) (a).size())

#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using ii = pair<int, int>;
using vi = vector<int>;
using vii = vector<pair<int, int>>;
using vvi = vector<vector<int>>;
template<typename T>
using uset = unordered_set<T>;
template<typename K, typename V>
using umap = unordered_map<K, V>;

//#include <ext/pb_ds/assoc_container.hpp>
//#include <ext/pb_ds/detail/standard_policies.hpp>
//namespace pd = __gnu_pbds;
//template<typename K>
//using ordered_set = pd::tree<
//    K,
//    pd::null_type,
//    less<int>,
//    pd::rb_tree_tag,
//    pd::tree_order_statistics_node_update>;
//using pd::gp_hash_table;

void debug_out() {
    cerr << endl;
}
template<typename... Tail>
void debug_out(vector<int> h, Tail... t) {
    cerr << "[";
    for (int i = 0; i < sz(h); i++) {
        if (i != 0) cerr << ", ";
        cerr << h[i];
    }
    cerr << "]";
    debug_out(t...);
}
template<typename P1, typename P2, typename... Tail>
void debug_out(pair<P1, P2> h, Tail... t) {
    cerr << "[" << h.first << ", " << h.second << "]";
    debug_out(t...);
}
template<typename Head, typename... Tail>
void debug_out(Head h, Tail... t) {
    cerr << "[" << h << "]";
    debug_out(t...);
}

const int RANDOM = chrono::high_resolution_clock::now().time_since_epoch().count();
struct chash {
    int operator() (int x) const { return x ^ RANDOM; }
};

const int INF = 1e9+1;
const ll INFL = 1e18+1;
const int N = 250;

int solve();

signed main() {
    cin.tie(0)->sync_with_stdio(0);
    int t = 1;
    //cin >> t;
    while (t-- && cin) {
        if (solve()) break;
        #ifdef ONPC
            cout << "____________________" << endl;
        #endif
    }

    return 0;
}

int n, m;
vector<array<int, 3>> computers;
vector<array<int, 3>> orders;
vi sold, accepted;
const int C = 0, F = 1, V = 2;

ll memo[N][N];

ll dp(int c, int o) {
    if (c == n) return 0;
    if (o == m) return 0;
    ll res = dp(c+1, o);
    if (memo[c][o] !=-1) return memo[c][o];
    for (int i = o; i < m; i++) {
        int profit =  orders[i][V] - computers[c][V];
        if (profit <= 0 || orders[i][F] > computers[c][F]) continue;
        res = max(res, profit+dp(c+1, i+1));
    }
    debug(c, o, res);
    return memo[c][o] = res;
}

int solve() {
    cin >> n;
    computers.reserve(n);
    for (int i = 0; i < n; i++) {
        int c, f, v; cin >> c >> f >> v;
        assert(c==1);
        computers.push_back({c, f, v});
    }
    cin >> m;
    orders.reserve(m);
    for (int i = 0; i < m; i++) {
        int c, f, v; cin >> c >> f >> v;
        assert(c==1);
        orders.push_back({c, f, v});
    }
    sold.resize(n);
    accepted.resize(m);
    sort(allit(computers), [](array<int,3> a, array<int,3> b) {
        return a[1] < b[1];
    });
    sort(allit(orders), [](array<int,3> a, array<int,3> b) {
        return a[1] < b[1];
    });
    for (int i = 0; i < N; i++)
        for (int j = 0; j < N; j++)
            memo[i][j] = -1;

    cout << dp(0, 0);
    return 0;
}

Compilation message (stderr)

clo.cpp: In function 'll dp(int, int)':
clo.cpp:5:24: warning: statement has no effect [-Wunused-value]
    5 |     #define debug(...) 42
      |                        ^~
clo.cpp:102:5: note: in expansion of macro 'debug'
  102 |     debug(c, o, res);
      |     ^~~~~

• Subtask 1: 0 / 18
• Subtask 2: 0 / 18
• Subtask 3: 18 / 18
• Subtask 4: 0 / 18
• Subtask 5: 0 / 18
• Subtask 6: 0 / 10