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  1. /* ACM Mid-Central Regional Programming Contest */
  2. /* Solution to Problem F, "Instruens Fabulam" */
  3. /* by Dr. Eric Shade, Computer Science Dept. */
  4. /* Southwest Missouri State University */
  5.  
  6. #include <stdio.h>
  7. #include <stdlib.h>
  8. #include <string.h>
  9.  
  10. #define LEFT   '<'
  11. #define RIGHT  '>'
  12. #define CENTER '='
  13.  
  14. enum {MAX_ROWS = 21; MAX_COLS = 19};
  15. enum {HEADER; ROW; BOTTOM};
  16.  
  17. FILE *in;
  18. FILE *out;
  19.  
  20. int rows;                           /* number of rows in the table */
  21. int columns;                        /* number of columns in the table */
  22.  
  23. char align[MAX_COLS + 1];           /* alignment of each column */
  24. int  max_width[MAX_COLS];           /* maximum width of column */
  25.  
  26. char *entry[MAX_ROWS][MAX_COLS];    /* text of each entry */
  27. int width[MAX_ROWS][MAX_COLS];      /* width of each entry */
  28.  
  29. char line[80 + 1];                  /* the last line read from the file */
  30. int line_type;                      /* HEADER, ROW, or BOTTOM */
  31.  
  32.  
  33.  
  34. int read_line(void)
  35. {
  36.     fgets(line, sizeof(line), in);
  37.     line[strlen(line) - 1] = '\0';
  38.  
  39.     if (line[0] == '*')
  40.         line_type = BOTTOM;
  41.     else if (line[0]==LEFT || line[0]==RIGHT || line[0]==CENTER)
  42.         line_type = HEADER;
  43.     else
  44.         line_type = ROW;
  45.  
  46.     return line_type;
  47. }
  48.  
  49.  
  50.  
  51. void process_header(void)
  52. {
  53.     int c;
  54.  
  55.     columns = strlen(line);
  56.     strcpy(align, line);
  57.  
  58.     for (c = 0; c < columns; ++c)
  59.         max_width[c] = 0;
  60. }
  61.  
  62.  
  63.  
  64. void read_rows(void)
  65. {
  66.     rows = 0;
  67.  
  68.     while (read_line() == ROW) {
  69.         char *s;
  70.         int c = 0;
  71.  
  72.         for (s = strtok(line, "&"); s != NULL; s = strtok(NULL, "&")) {
  73.             int n = strlen(s);
  74.  
  75.             entry[rows][c] = strdup(s);
  76.             width[rows][c] = n;
  77.  
  78.             if (n > max_width[c]) max_width[c] = n;
  79.  
  80.             ++c;
  81.         }
  82.  
  83.         ++rows;
  84.     }
  85. }
  86.  
  87.  
  88.  
  89. void print_char(int ch, int n) 
  90. {
  91.     int i;
  92.  
  93.     for (i = 0; i < n; ++i) fputc(ch, out);
  94. }
  95.  
  96.  
  97.  
  98. void print_row(int r)
  99. {
  100.     int c;
  101.  
  102.     for (c = 0; c < columns; ++c) {
  103.         int n = width[r][c];
  104.         int pad = max_width[c] - n;
  105.  
  106.         fprintf(out, "| ");
  107.         switch (align[c]) {
  108.             case LEFT:
  109.                 fprintf(out, "%s", entry[r][c]);
  110.                 print_char(' ', pad);
  111.                 break;
  112.             case RIGHT:
  113.                 print_char(' ', pad);
  114.                 fprintf(out, "%s", entry[r][c]);
  115.                 break;
  116.             case CENTER:
  117.                 print_char(' ', pad / 2);
  118.                 fprintf(out, "%s", entry[r][c]);
  119.                 print_char(' ', pad - (pad/2));
  120.         }
  121.         fprintf(out, " ");
  122.     }
  123.  
  124.     fprintf(out, "|\n");
  125. }
  126.  
  127.  
  128.  
  129. void print_separator(int outer_char, int inner_char)
  130. {
  131.     int c;
  132.  
  133.     print_char(outer_char, 1);
  134.     print_char('-', max_width[0] + 2);
  135.  
  136.     for (c = 1; c < columns; ++c) {
  137.         print_char(inner_char, 1);
  138.         print_char('-', max_width[c] + 2);
  139.     }
  140.  
  141.     print_char(outer_char, 1);
  142.     fputc('\n', out);
  143. }
  144.  
  145.  
  146.  
  147. int main(void)
  148. {
  149.     in = fopen("fab.in", "r");
  150.     out = fopen("fab.out", "w");
  151.  
  152.     read_line();
  153.     while (line_type != BOTTOM) {
  154.         int r;
  155.  
  156.         process_header();
  157.         read_rows();
  158.  
  159.         print_separator('@', '-');
  160.         print_row(0);
  161.         print_separator('|', '+');
  162.  
  163.         for (r = 1; r < rows; ++r) print_row(r);
  164.  
  165.         print_separator('@', '-');
  166.     }
  167.  
  168.     fclose(in);
  169.     fclose(out);
  170.  
  171.     return 0;
  172. }
  173.  
Runtime error #stdin #stdout 0.01s 4272KB
comments (?)
stdin 
Standard input is empty
stdout 
Standard output is empty
https://ideone.com/fpMwb
language:
AWK (gawk 4.2.1)
created:
14 years ago
visibility:
public

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