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  1.     #include <stdio.h>
  2.     #include <string.h>
  3.     #include <cctype>
  4.  
  5.     int main() {
  6.         char str[100] = "str,, ing";
  7.         int bad = 0;
  8.         int cur = 0;
  9.         while (str[cur] != '\0') {
  10.             if (bad < cur && !ispunct(str[cur]) && !isspace(str[cur])) {
  11.                     str[bad] = str[cur];
  12.             }
  13.             if (ispunct(str[cur]) || isspace(str[cur])) {
  14.                 cur++;
  15.             }
  16.             else {
  17.                 cur++;
  18.                 bad++;
  19.             }
  20.         }
  21.         str[bad] = '\0';
  22.         fprintf(stdout, "cur = %d; bad = %d; str = %s\n", cur, bad, str);
  23.         return 0;
  24.     }
Success #stdin #stdout 0s 2684KB
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stdin
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Standard input is empty
stdout
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cur = 9; bad = 6; str = string
https://ideone.com/FNapEm
language:
C++ 4.3.2 (gcc-4.3.2)
created:
10 years ago
visibility:
public

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