convert all characters in string to uppercase c++
transform(str.begin(), str.end(), str.begin(), ::toupper);convert all characters in string to uppercase c++
transform(str.begin(), str.end(), str.begin(), ::toupper);convert whole string to uppercase c++
#include<bits/stdc++.h>
using namespace std;
int main()
{
string s = "Viet Nam";
transform(s.begin(), s.end(), s.begin(), ::toupper); //uppercase
cout << s << endl;
return 0;
}string to upper c++
std::string data = "This is a sample string.";
// convert string to upper case
std::for_each(data.begin(), data.end(), [](char & c){
c = ::toupper(c);
});touppercase c++
#include <cctype>
#include <iostream>
#include <cstring>
#include <cstdio>
using namespace std;
int main()
{
char str[] = "John is from USA.";
cout << "The uppercase version of \"" << str << "\" is " << endl;
for (int i=0; i<strlen(str); i++)
putchar(toupper(str[i]));
return 0;
}convert letters to uppercase in c++
#include <iostream>
#include <string>
using namespace std;
int main()
{
char letter;
cout << "You will be asked to enter a character.";
cout << "\nIf it is a lowercase character, it will be converted to uppercase.";
cout << "\n\nEnter a character. Press . to stop: ";
cin >> letter;
if(islower(letter))
{
letter = isupper(letter);
cout << letter;
}
while(letter != '.')
{
cout << "\n\nEnter a character. Press . to stop: ";
cin >> letter;
if(islower(letter))
{
letter = toupper(letter);
cout << letter;
}
}
return 0;
}Copyright © 2021 Codeinu
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