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  1. #include <stdio.h>
  2. #include <stdlib.h>
  3. #include <string.h>
  4.  
  5. int main(int argc, char **argv) {
  6.   if (argc != 2) {
  7.     fprintf(stderr, "argc must be 2\n");
  8.     return 1;
  9.   }
  10.  
  11.   const size_t len = strlen(argv[1]);
  12.   char * const s = malloc(len * 1000 + 1);
  13.   if (!s) {
  14.     fprintf(stderr, "too long string\n");
  15.     return 1;
  16.   }
  17.  
  18.   for (char *t = s; t < s + len * 1000; t += len)
  19.     strcpy(t, argv[1]);
  20.  
  21.   size_t c[4] = { 0 };
  22.   for (char *t = s; *t; ++t) {
  23.     switch (*t) {
  24.     case 'o': ++c[0]; break;
  25.     case 'd': c[1] += c[0]; break;
  26.     case 'a': c[2] += c[1]; break;
  27.     case 'i': c[3] += c[2]; break;
  28.     }
  29.   }
  30.   free(s);
  31.   printf("%zu\n", c[3]);
  32. }
  33.  
Runtime error #stdin #stdout #stderr 0s 4360KB
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stdin
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Standard input is empty
stdout
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Standard output is empty
stderr
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argc must be 2
https://ideone.com/xzPlNr
language:
C (gcc 8.3)
created:
3 years ago
visibility:
secret

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