Spiraali

input/code.cpp: In function 'int main()':
input/code.cpp:34:50: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
                 if (v <= n * n)for (int t = 0; t < tests.size(); t++)if (x == tests[t].x && y == tests[t].y)tests[t].v = v;
                                                ~~^~~~~~~~~~~~~~
input/code.cpp:48:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for (int a = 0; a < tests.size(); a++)
                     ~~^~~~~~~~~~~~~~
input/code.cpp:24:9: warning: variable 'grid' set but not used [-Wunused-but-set-variable]
     int grid[6][6];
         ^~~~

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

struct test
{
    float x, y, v;
};
int main() 
{
    float n, t;
    vector<test>tests;
    
    cin >> n >> t;

    for (float a = 0; a < t; a++)
    {
        float x, y;
        cin >> y >> x;
        test t;
        t.x = x - 1, t.y = y - 1, t.v = 0;
        tests.push_back(t);
    }
    int grid[6][6];
    for (int y = 0; y < 6; y++)for (int x = 0; x < 6; x++)grid[y][x] = 0;
    float x = 0, y = 0, s = 2, step = n - 1, dir = 0; bool l = false;
    float v = 1;
    while (v <= n * n)
    {
        for (float z = 0; z <= s; z++)
        {
            for (float a = 0; a < step; a++)
            {
                if (v <= n * n)for (int t = 0; t < tests.size(); t++)if (x == tests[t].x && y == tests[t].y)tests[t].v = v;
                v++;
                if (dir == 0)y++;
                if (dir == 1)x++;
                if (dir == 2)y--;
                if (dir == 3)x--;
            }
            dir++;
            if (dir > 3)dir = 0;
        }
        if (step > 1)step--;
        if (!l)l = true, s--;
    }
    
    for (int a = 0; a < tests.size(); a++)
    {
        cout << tests[a].v << "\n";
    }
}

Test 1

Group: 1

Verdict: ACCEPTED

Test 2

Group: 2

Verdict: ACCEPTED

Test 3

Group: 3

Verdict: TIME LIMIT EXCEEDED