Spiraali

#include <cmath>
#include <iostream>

using namespace std;

int get_layer(int x, int y) {
    return max(abs(x), abs(y));
}

int get_offset(int x, int y) {
    int layer = get_layer(x, y);
    int offset = 4 * layer * layer - 4 * layer + 1;
    return offset;
}

int get_strip_i(int x, int y) {
    int layer = get_layer(x, y);
    int width = 2 * layer + 1;
    int hwidth = layer + 1;
    if(x == layer) {
        return (3 * width - 3) + (hwidth - y) - 2;
    } else if(y == -layer) {
        return layer - x - 1;
    } else if(x == -layer) {
        return (width - 1) + y + 1;
    } else if(y == layer) {
        return (2 * width - 2) + x + hwidth - 1;
    }
    return 1234;
}

int main()
{
    int n, t;
    cin >> n >> t;
    //cout << get_offset(x, y) + get_strip_i(x, y) << endl;
    //cout << get_offset(x, y) << endl;
    //cout << get_strip_i(x, y) << endl;
    
    for(int i = 0; i < t; i++) {
        int x, y;
        cin >> y >> x;

        // Koordinaatit alkamaan (0,0)
        x--;
        y--;
    
        int nx, ny;
        nx = (int) (n / 2);
        ny = (int) ((n - 1) / 2);
    
        x = x - nx;
        y = ny - y;

        int arvo = n * n - (get_offset(x, y) + get_strip_i(x, y));
        //cout << "A " << get_strip_i(x, y) << endl;
        //cout << "B " << get_offset(x, y) << endl;
        cout << arvo << endl;
        //cout << x << " " << y << endl;
    }
}

Test 1

Group: 1

Verdict: WRONG ANSWER

Test 2

Group: 2

Verdict: WRONG ANSWER

Test 3

Group: 3

Verdict: WRONG ANSWER