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  1. #include <stdio.h>
  2.  
  3. int main(void)
  4. {
  5. char *s0="0.00000000",*s1="+0.00000000",*s2="-0.00000000",s[100];
  6. scanf("%99s",s);
  7. if( strstr(s0,s)==s0 || strstr(s1,s)==s1 || strstr(s2,s)==s2 ||
  8. strstr(s,s0)==s || strstr(s,s1)==s || strstr(s,s2)==s )
  9. puts("0");
  10. return 0;
  11. }
  12.  
Success #stdin #stdout 0s 2292KB
stdin
50.00000000
stdout
Standard output is empty