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;
}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;
}how to compare lower case character to uppercase cpp
for(int i=0;i<str.size();i++){
int c = str[i];
if (islower(c))
str[i] = toupper(c);
}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;
}convert string toupper and tolower in cpp
#include <algorithm>
// using transform() function and ::tolower in STL
transform(sl.begin(), sl.end(), sl.begin(), ::tolower);
cout << sl << endl;
// using transform() function and ::toupper in STL
transform(su.begin(), su.end(), su.begin(), ::toupper);
cout << su << endl;Copyright © 2021 Codeinu
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