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PREV Programs NEXT   (34 / 301)     Write a C program to print a square matrix helically. Here is a C program to print a matrix helically. Printing a matrix helically means printing it in this spiral fashion  >-----------+              |  +---->--+   |  |       |   |  |       |   |  |   <---+   |  |           |  +-----------+ This is a simple program to print a matrix helically. #include<stdio.h> /* HELICAL MATRIX */ int main() {        int arr[][4] = { {1,2,3,4},                         {5,6,7,8},                         {9,10,11,12},                         {13, 14, 15, 16}                        };              int i, j, k,middle,size;        printf("\n\n");        size = 4;              for(i=size-1, j=0; i>0; i--, j++)        {               for(k=j; k<i; k++) printf("%d ", arr[j][k]);               for(k=j; k<i; k++) printf("%d ", arr[k][i]);               for(k=i; k>j; k--) printf("%d ", arr[i][k]);               for(k=i; k>j; k--) printf("%d ", arr[k][j]);        }              middle = (size-1)/2;        if (size % 2 == 1) printf("%d", arr[middle][middle]);        printf("\n\n");        return 1; } PREV COMMENTS                                  INDEX                                  PRINT NEXT Last updated: November 3, 2005 www.cracktheinterview.com - Your destination for the most common IT interview questions, answers, frequently asked interview questions (FAQ), C Programs, C Datastructures for technical interviews conducted by the top IT companies around the world!