View Code of Problem 3924

#include<iostream>
#include<string>

using namespace std;

int main()
{
    string str;
    getline(cin,str);
    int n=str.size();
    bool used[n]={0};
    for(int i=0;i<str.size()-1;i++)
    {
        if(str[i]==str[i+1])
            used[i]=1;
    }
    for(int i=0;i<n-1;i++)
    {
        if(used[i]==0)
            cout<<str[i];
    }
}

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