Submission #601438

#	Time	Username	Problem	Language	Result	Execution time	Memory
601438		skittles1412	Mechanical Doll (IOI18_doll)	C++17	53 / 100	145 ms	23628 KiB

doll

#include "bits/extc++.h"

using namespace std;

template <typename T>
void dbgh(const T& t) {
    cerr << t << endl;
}

template <typename T, typename... U>
void dbgh(const T& t, const U&... u) {
    cerr << t << " | ";
    dbgh(u...);
}

#ifdef DEBUG
#define dbg(...)                                              \
    cerr << "L" << __LINE__ << " [" << #__VA_ARGS__ << "]: "; \
    dbgh(__VA_ARGS__);
#else
#define dbg(...)
#define cerr   \
    if (false) \
    cerr
#endif

#define endl "\n"
#define long int64_t
#define sz(x) int((x).size())

void answer(vector<int> C, vector<int> X, vector<int> Y);

vector<pair<int, int>> ans;

int construct(const vector<int>& arr) {
    if (sz(arr) == 1) {
        return arr[0];
    }
    int o = sz(ans);
    ans.emplace_back(0, 0);
    vector<int> l, r;
    for (int i = 0; i < sz(arr); i++) {
        if (i % 2 == 0) {
            l.push_back(arr[i]);
        } else {
            r.push_back(arr[i]);
        }
    }
    if (sz(arr) % 2 == 1) {
        r.push_back(l.back());
        l.back() = -o - 1;
    }
    ans[o] = {construct(l), construct(r)};
    return -o - 1;
}

void create_circuit(int m, vector<int> arr) {
    vector<int> nxt[m + 1];
    arr.insert(arr.begin(), 0);
    arr.push_back(0);
    for (int i = 0; i < sz(arr) - 1; i++) {
        nxt[arr[i]].push_back(arr[i + 1]);
    }
    vector<int> ans1(m + 1);
    for (int i = 0; i <= m; i++) {
        if (sz(nxt[i])) {
            ans1[i] = construct(nxt[i]);
        }
    }
    vector<int> ans2, ans3;
    for (auto& [x, y] : ans) {
        ans2.push_back(x);
        ans3.push_back(y);
    }
    answer(ans1, ans2, ans3);
}

• Subtask 1: 2 / 2
• Subtask 2: 4 / 4
• Subtask 3: 10 / 10
• Subtask 4: 0 / 10
• Subtask 5: 9.0000000036 / 18
• Subtask 6: 28.0000000112 / 56