Question

How to convert string to uppercase in C++

Answer 1

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

using std::cout;
using std::endl;

int main()
{
	std::string s = "abcdefg";

	transform(s.begin(), s.end(), s.begin(), toupper);
	
	cout << s << endl;

	return 0;
}

/*
run:

ABCDEFG

*/

 

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