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  1. #include <stdio.h>
  2. #include <stdlib.h>
  3. #include <string.h>
  4. #include <errno.h>
  5.  
  6. typedef unsigned char uchar_t;
  7.  
  8. static void printline( FILE* stream, const char* head, int min, int max, int mul, const char* fmt, char end)
  9. {
  10. 	int i;
  11. 	fprintf(stream, head, mul);
  12. 	for( i=min; i<=max; ++i )
  13. 		fprintf(stream, fmt, i * mul);
  14. 	fprintf(stream, "%c", end);
  15. }
  16.  
  17. static void strpad( char* s, int size, char pad, char end )
  18. {
  19. 	if( size < 2 ){
  20. 		*s = '\0' ;
  21. 		return ;
  22. 	}
  23. 	memset( s, pad, size - 2 );
  24. 	s[ size - 2 ] = end ;
  25. 	s[ size - 1 ] = '\0';
  26. }
  27.  
  28. int main(int argc, char* argv[])
  29. {
  30. 	uchar_t nketa;
  31. 	char *fmt, *head1, *head2;
  32. 	char tmp[8];
  33. 	int min, max, i;
  34. 	FILE *stream;
  35.  
  36. 	//if( argc < 3 ){
  37. 	//	fprintf( stderr, "Usage %s <min> <max>\n", argv[0] );
  38. 	//	return 1;
  39. 	//}
  40. 	//min = atoi(argv[1]);
  41. 	//max = atoi(argv[2]);
  42. 	fscanf( stdin, "%d %d", &min, &max );
  43. 	snprintf( tmp, sizeof tmp, "%d", max*max );
  44. 	nketa = strlen( tmp );
  45.  
  46. 	if( nketa <= 1 )
  47. 		nketa = 2;
  48. 	if( min < 0 || max < 0 )
  49. 		nketa++;
  50.  
  51. 	fmt = (char*)malloc( nketa + 4 );
  52. 	head1 = (char*)malloc( nketa + 2 );
  53. 	head2 = (char*)malloc( nketa + 2 );
  54.  
  55. 	snprintf( fmt, nketa + 4, "%%%dd|", nketa );
  56. 	strpad( head1, nketa + 2, ' ', '|' ) ;
  57. 	strpad( head2, nketa + 2, '-', '+' ) ;
  58.  
  59. 	//if( argc == 4 ){
  60. 	//	stream = fopen( argv[3], "w" );
  61. 	//	if(! stream ){
  62. 	//		perror( argv[3] );
  63. 	//		exit(EXIT_FAILURE);
  64. 	//	}
  65. 	//} else
  66. 		stream = stdout;
  67.  
  68. 	printline( stream, head1, min, max, 1, fmt, '\n' );
  69. 	printline( stream, head2, min, max, 1, head2, '\n' );
  70. 	for( i=min; i<=max; ++i )
  71. 	{
  72. 		printline( stream, fmt, min, max, i, fmt, '\n' );
  73. 		printline( stream, head2, min, max, 1, head2, '\n' );
  74. 	}
  75. 	if( stream )
  76. 		fclose( stream );
  77. 	free(fmt);
  78. 	free(head1);
  79. 	free(head2);
  80. 	return 0;
  81. }
Success #stdin #stdout 0s 2380KB
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stdin
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-5 5
stdout
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   | -5| -4| -3| -2| -1|  0|  1|  2|  3|  4|  5|
---+---+---+---+---+---+---+---+---+---+---+---+
 -5| 25| 20| 15| 10|  5|  0| -5|-10|-15|-20|-25|
---+---+---+---+---+---+---+---+---+---+---+---+
 -4| 20| 16| 12|  8|  4|  0| -4| -8|-12|-16|-20|
---+---+---+---+---+---+---+---+---+---+---+---+
 -3| 15| 12|  9|  6|  3|  0| -3| -6| -9|-12|-15|
---+---+---+---+---+---+---+---+---+---+---+---+
 -2| 10|  8|  6|  4|  2|  0| -2| -4| -6| -8|-10|
---+---+---+---+---+---+---+---+---+---+---+---+
 -1|  5|  4|  3|  2|  1|  0| -1| -2| -3| -4| -5|
---+---+---+---+---+---+---+---+---+---+---+---+
  0|  0|  0|  0|  0|  0|  0|  0|  0|  0|  0|  0|
---+---+---+---+---+---+---+---+---+---+---+---+
  1| -5| -4| -3| -2| -1|  0|  1|  2|  3|  4|  5|
---+---+---+---+---+---+---+---+---+---+---+---+
  2|-10| -8| -6| -4| -2|  0|  2|  4|  6|  8| 10|
---+---+---+---+---+---+---+---+---+---+---+---+
  3|-15|-12| -9| -6| -3|  0|  3|  6|  9| 12| 15|
---+---+---+---+---+---+---+---+---+---+---+---+
  4|-20|-16|-12| -8| -4|  0|  4|  8| 12| 16| 20|
---+---+---+---+---+---+---+---+---+---+---+---+
  5|-25|-20|-15|-10| -5|  0|  5| 10| 15| 20| 25|
---+---+---+---+---+---+---+---+---+---+---+---+
https://ideone.com/g1H4yo
language:
C (gcc 8.3)
created:
9 years ago
visibility:
secret

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