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  1. #include <stdio.h>
  2.  
  3. #define max( a, b ) ( ((a) > (b)) ? (a) : (b) )
  4.  
  5. int main(void) {
  6.     char *str = "10101001";
  7.     int longest0=0, longest1=0;
  8.     for (char *p = str ; *p ; p++) {
  9.         if (*p == '0') {
  10.             longest0++;
  11.         } else { // *p must be 1
  12.             longest1 = max(longest0, longest1)+1;
  13.         }
  14.     }
  15.     printf("%d\n", max(longest0, longest1));
  16. 	return 0;
  17. }
Success #stdin #stdout 0.01s 1676KB
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stdin 
Standard input is empty
stdout 
5
https://ideone.com/aQVmGx
language:
C99 (gcc 8.3)
created:
11 years ago
visibility:
public

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