View Code of Problem 3924

#include <iostream>
#include <string>
#include <cstdio>
#include <cstring>
using namespace std;

int main(){
    char a[10000000];
    gets(a);
    char b[100];
    int top=0;
    int len=strlen(a);
    memset(b,'\0',sizeof(b));
    for(int i=0;i<len;i++){
        if(a[i]!=a[i+1]){
            cout<<a[i];
        }
    }
    cout<<endl;
    return 0;
}