Cod sursă (job #230903)

#include <iostream>
#include <fstream>

using namespace std;

bool panta (double x, double y, double dx, double dy) {
    //cout << y / x << " " << dy / dx << " ";
    if ((y / x) > (dy / dx)) {
        //cout << 1 << "\n";
        return 1;
    }
    //cout << 0 << "\n";
    return 0;
}

long long int solutie (int ord, double x, double y, double dx, double dy, long long zona) {

    if (ord == 0) {
        return zona;
    }
    if (x >= 0) {
        if (y >= 0) {        // NE
            if (panta (x, y, dx / 2, dy / 2) == 1) {                                                 // zona I
                return solutie (ord - 1, x, y - (dy / 2), dx / 2, dy / 2, (1LL * 4 * zona) - 3);
            } else {                                                                                // zona IV
                return solutie (ord - 1, x - (dx / 2), y, dx / 2, dy / 2, (1LL * 4 * zona));
            }
        } else {            // SE
            if (panta (x, y, dx / 2, -dy / 2) == 1) {                                                 // zona IV
                return solutie (ord - 1, x - (dx / 2), y, dx / 2, dy / 2, (1LL * 4 * zona));
            } else {                                                                                // zona III
                return solutie (ord - 1, x, y + (dy / 2), dx / 2, dy / 2, (1LL * 4 * zona) - 1);
            }
        }
    } else {
        if (y >= 0) {        // NV
            if (panta (x, y, -dx / 2, dy / 2) == 0) {                                                 // zona I
                return solutie (ord - 1, x, y - (dy / 2), dx / 2, dy / 2, (1LL * 4 * zona) - 3);
            } else {                                                                                // zona II
                return solutie (ord - 1, x + (dx / 2), y, dx / 2, dy / 2, (1LL * 4 * zona) - 2);
            }
        } else {            // SV
            if (panta (x, y, -dx / 2, -dy / 2) == 0) {                                                 // zona II
                return solutie (ord - 1, x + (dx / 2), y, dx / 2, dy / 2, (1LL * 4 * zona) - 2);
            } else {                                                                                // zona III
                return solutie (ord - 1, x, y + (dy / 2), dx / 2, dy / 2, (1LL * 4 * zona) - 1);
            }
        }
    }
}

int main() {
    ifstream file_in ("romb2.in");
    ofstream file_out ("romb2.out");

    int t;
    int dx, dy, ord, x, y;

    // Citirea datelor
    file_in >> t;

    // Calcularea solutiei
    for (; t > 0; t--) {
        file_in >> dx >> dy >> ord >> x >> y;
        // Afisarea solutiei
        file_out << solutie (ord, x, y, dx, dy, 1LL) << "\n";
    }

    return 0;
}

/*
#include <iostream>
#include <fstream>
#include <cstring>

using namespace std;

#define MAX_L 30003

string s;
string sirInit[15002], putere[130];


int main() {
    ifstream file_in ("mesaje.in");
    ofstream file_out ("mesaje.out");

    char sir0[MAX_L];
    string sir;
    int l, cuv = 0, lvl;
    int i;

    // Citirea datelor
    file_in.getline(sir0, MAX_L);
    l = strlen(sir0);

    for (i = 0; i < l; i++) {
        if (sir0[i] != ' ') {
            s.push_back(sir0[i]);

        } else {
            sirInit[cuv] = s;
            s.clear();
            putere[cuv++].push_back(0);
        }
    }
    sirInit[cuv] = s;
    putere[cuv++].push_back(0);

    // Calcularea solutiei
    lvl = 1;
    while (!file_in.eof()) {
        for (i = 0; i < cuv; i++) {
            file_in >> sir;
            if (sir == sirInit[i]) {
                putere[i].push_back(lvl);
            }
        }
        lvl++;
    }

    // Afisarea solutiei

    return 0;
}*/