View Code of Problem 3924

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

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