using Gene logic , but we need to take care of number with more than 1
digits , so updated gene's code is as follows :-
#include<stdio.h>
#define MAX 1000
int copy(char *str,int len)
{
int max_len=MAX-1,i;
for(i=len-1;i>=0;i--)
{
str[max_len]=str[i];
max_len--;
}
return max_len+1;
}
void runLength(char *str)
{
unsigned int j,k=1,loop=0,res_len=0;
int i,n_start;
char c;
/*copying input to the end of the buffer*/
n_start=copy(str,strlen(str));
for(i=MAX-1;i>=n_start;i--)
{
if(str[i]>='0' && str[i]<='9')
{
continue;
}
else
{
sscanf(&str[i],"%c%d",&c,&loop);
for(j=0;j<loop;j++)
{
str[res_len]=c;
res_len++;
}
}
}
str[res_len]='\0';
printf("\nDecoded Msg = %s\n",str);
}
int main()
{
char str[MAX];
memset(&str,0,MAX);
printf("\nEnter String = ");
scanf("%s",str);
runLength(str);
return 1;
}
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