Submission #602272

#	Time	Username	Problem	Language	Result	Execution time	Memory
602272		skittles1412	Mechanical Doll (IOI18_doll)	C++17	66.61 / 100	148 ms	14460 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;

pair<int, int> alloc() {
    int o = sz(ans), oind = -o - 1;
    ans.emplace_back(0, 0);
    return {o, oind};
}

int construct(const vector<int>& arr) {
    if (all_of(begin(arr), end(arr), [&](int x) -> bool {
            return x == arr[0];
        })) {
        return arr[0];
    }
    auto [o, oind] = alloc();
    int targ = 1 << (__lg(sz(arr) - 1)), cind = 0;
    vector<int> l, r;
    for (int i = 0; i < 2 * targ - sz(arr); i++) {
        l.push_back(oind);
        r.push_back(arr[cind++]);
    }
    while (cind < sz(arr)) {
        l.push_back(arr[cind++]);
        r.push_back(arr[cind++]);
    }
    ans[o] = {construct(l), construct(r)};
    return oind;
}

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

• Subtask 1: 0 / 2
• Subtask 2: 0 / 4
• Subtask 3: 0 / 10
• Subtask 4: 10 / 10
• Subtask 5: 18 / 18
• Subtask 6: 38.610914910400005 / 56