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  1. #include <stdio.h>
  2. #include <string.h>
  3. #include <ctype.h>
  4. int has26(const char *p) {
  5.   int c, count[26] = {0};
  6.   for (; c = tolower(*p); p++) if (isalpha(c)) count[c - 'a']++;
  7.   for (c = 'a'; c <= 'z'; c++) if (count[c - 'a'] < 1) return 0;
  8.   return 1;
  9. }
  10. const char *f(const char **lines, int n) {
  11.   const char *found = 0;
  12.   int i, len, minlen;
  13.   for (i = 0; i < n; i++)
  14.     if (has26(lines[i]))
  15.       if (!found)
  16.         found = lines[i], minlen = strlen(lines[i]);
  17.       else if ((len = strlen(lines[i])) < minlen)
  18.         found = lines[i], minlen = len;
  19.   return found;
  20. }
  21. int main() {
  22.   const char *lines[] = {
  23.     "The quick brown fox jumps over a lazy dog."
  24.     , "The jay, pig, fox, zebra and my wolves quack!"
  25.     , "Pack my box with seven dozen liquor jugs."
  26.     , "The horse, pig, fox, zebra and my wolves quack!"
  27.     , "Jackdaws love my small sphinx of quartz."
  28.     , "Jackdaws love my big sphinx of quartz."
  29.     , "The quick brown fox jumps over a lazy cat."
  30.     , "Pack my box with five dozen liquor jugs."
  31.   };
  32.   puts(f(lines, sizeof lines / sizeof *lines));
  33.   return 0;
  34. }
  35.  
Success #stdin #stdout 0.01s 5316KB
comments (?)
stdin 
Standard input is empty
stdout 
Jackdaws love my big sphinx of quartz.
https://ideone.com/BnNzUC
language:
C (gcc 8.3)
created:
203 days ago
visibility:
secret

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