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#include <iostream>
#include <string>
#include <algorithm>
using namespace std;
int main()
{
string s = "Hello World";
s.erase(remove(s.begin(), s.end(), ), s.end() ) ;
cout << s << endl;
}
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================code 1=================
#include <iostream>
using namespace std;
int main(int argc, char const *argv[])
{
cout<<"Hello World";
return 0;
}
========================================
================code 2=================
#include <iostream>
int main(int argc, char const *argv[])
{
std::cout<<"Hello World";
return 0;
}
========================================
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