Tech Hunt 2021 Level 5 Hint

NoticeThePattern.c

// Notice the pattern? 👀
#include <stdio.h>

int main() {
    int k = 0, l = 0, m =5,n = 5, val = 1;
    //
    //
    //
    int a[m][n];
    while (k < m && l < n) {
        for (int i = k; i < m; i++)
            a[i][l] = val++;
        l++;

        for (int i = l; i < n; i++)
            a[m-1][i] = val++;
        m--;

        for (int i = m-1; i >= k; i--)
            a[i][n-1] = val++;
        n--;

        for (int i = n-1; i >= l; i--)
            a[k][i]= val++;
        k++;
    }

    for (int i = 0; i < 5; i++) {
        for (int j = 0; j < 5; j++)
            printf("%d\t", a[i][j]);
        printf("\n");
    }

    return 0;
}