Spiraali

input/code.cpp: In function 'int main()':
input/code.cpp:33:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for (int a = 0; a < results.size(); a++)
                     ~~^~~~~~~~~~~~~~~~

#include <iostream>
#include <vector>
using namespace std;

int main() 
{
    long long n, t;
    vector<long long>results;
    
    cin >> n >> t;
    for (int a = 0; a < t; a++)
    {
        long long X, Y;
        cin >> Y >> X;

        long long x = -(X - 1 - n / 2), y = (Y - n / 2);
        long long v = 0;

        if (x * x >= y * y)
        {
            v = 4 * x * x - x - y;
            if (x < y)v = v - 2 * (x - y);
        }
        else
        {
            v = 4 * y * y - x - y;
            if (x < y)v = v + 2 * (x - y);
        }
        long long out = n * n - v;
        results.push_back(out);
    }

    for (int a = 0; a < results.size(); a++)
    {
        cout << fixed << results[a] << "\n";
    }
}

Test 1

Group: 1

Verdict: ACCEPTED

Test 2

Group: 2

Verdict: ACCEPTED

Test 3

Group: 3

Verdict: ACCEPTED