Question

How to remove spaces from a string in C++

Answer 1

#include <iostream>
#include <string>
#include <algorithm>
#include <cctype>

int main()
{
	std::string s = "c c++ c# java python";

	s.erase(std::remove_if(s.begin(), s.end(), std::isspace), s.end());

	std::cout << s << std::endl;

	return 0;
}


/*
run:

cc++c#javapython

*/

 

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Answer 2

#include <iostream>
#include <string>
#include <algorithm>

int main()
{
	std::string s = "c c++ c# java python";

	std::string::iterator end_pos = std::remove(s.begin(), s.end(), ' ');
	s.erase(end_pos, s.end());
	
	std::cout << s << std::endl;

	return 0;
}


/*
run:

cc++c#javapython

*/

 

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