View Code of Problem 3924

#include<stdio.h>
#include<string.h> 
int main(){
	char a[10000000];
	scanf("%s",a);
	int len=strlen(a); 
	for(int i=0;i<len;i++){
		 if(a[i]!=a[i+1])
		 printf("%c",a[i]);
		}
}