C language string compression algorithm code demonstration

From , 5 Years ago, written in C++, viewed 186 times.

#include <stdio.h>  
#include <string.h>  
#include <stdlib.h>  
  
int main()  
{  
    char str[100] = {'\0'};  
    char res[100] = {'\0'};  
  
    scanf("%s",str);  
    int length = strlen(str);  
    int i=0, j=0, k=0;  
    int count = 0;  
  
    do  
    {  
        if(i < length && str[i++] == str[j])  
            count++;  
  
        if(str[i] != str[j])  
        {  
            if(count <= 1)  
                res[k++] = str[j];  
            else  
            {  
                if(count > 1)  
                {  
                    char temp[10] = {'\0'};  
                    itoa(count,temp,10);  
                    strcpy(res+k,temp);  
                    k+=strlen(temp);  
                    res[k++] = str[j];  
                }  
            }  
  
            j = i;  
            count = 0;  
        }  
    }while(i<length);  
      
    res[k] = '\0';  
    printf("The result is : %s\n",res);  
    return 0;  
}  
//cpp/8976

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C language string compression algorithm code demonstration

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