109 lines
1.6 KiB
C
109 lines
1.6 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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int
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output_whitespace(
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int length
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)
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{
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int i;
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for ( i = 0 ; i < length ; i++ ) {
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printf(" ");
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}
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return 0;
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}
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int
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output_diamond_line(
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int diamond_size,
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int current_line
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)
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{
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int i;
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int j;
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int k;
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int l;
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// Left Side
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// Decoration
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for ( i = diamond_size - current_line ; i > 0 ; i-- ) {
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printf("%d", i);
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}
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// Padding
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output_whitespace(1);
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// Diamond
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for ( j = 1 ; j < current_line ; j++ ) {
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printf("%d", j);
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}
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// Right Side
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// Diamond
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for ( k = 0 ; k < current_line ; k++ ) {
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printf("%d", current_line - k);
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}
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// Padding
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if ( current_line != 0 ) {
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output_whitespace(1);
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}
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// Decoration
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for ( l = 1 ; l <= diamond_size - current_line ; l++ ) {
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printf("%d", l);
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}
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printf("\n");
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return 0;
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}
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int
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output_diamond(
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int diamond_size
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)
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{
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int i;
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int j;
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for ( i = 0 ; i < diamond_size; i++ ) {
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output_diamond_line(diamond_size, i);
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}
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for ( j = diamond_size ; j >= 0 ; j-- ) {
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output_diamond_line(diamond_size, j);
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}
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return 0;
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}
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int
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main(
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int argc,
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char *argv[]
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)
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{
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int diamond_size;
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if (argc < 2)
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{
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printf("Invalid command line arguments.\n");
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return -1;
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}
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diamond_size = atoi(argv[1]);
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if (diamond_size < 1 || diamond_size > 9)
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{
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printf("Can not create diamond (s: %d).\n", diamond_size);
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return -1;
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}
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output_diamond(diamond_size);
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return 0;
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}
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