三色旗问题（C语言）

#include <stdio.h>
#include <stdlib.h>
#include <string.h> 
#define BLUE 'b
'#define WHITE 'w'
#define RED 'r'
 #define SWAP(x,y)
  {
  char temp;
 temp = color[x];;
color[x] = color[y]; 
color[y] = temp;
 } 
 int main(void)
 { 
        char color[] = {'r','w','b','w','w','b','r','b','w','r','\0'};
  	int wFlag = 0; 
 	 int bFlag = 0;
  	 int rFlag = strlen(color)-1;
   	 int i; 
    	 for(i = 0 ; i < strlen(color) ; i++) 
     	 printf("%c ",color[i]);
            printf("\n"); 
         while(wFlag <= rFlag)
         { 
          if(color[wFlag] == WHITE)
         {   wFlag++;  }
           else if
           (color[wFlag] == BLUE)
           {   SWAP(bFlag,wFlag);  
            bFlag++;wFlag++;  
            }
            else
            {   while(wFlag < rFlag && color[rFlag] == RED) 
               rFlag--;   
               SWAP(rFlag,wFlag); 
                 rFlag--;    
             }
 }  
               for (i = 0 ; i < strlen(color) ; i++) 
                printf("%c ",color[i]);
                printf("\n");  
               system("pause");
        return 0;
  }

转载于[https://blog.csdn.net/u011200844/article/details/43227301]