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 change string to lowercase and uperCase in c++
#include <iostream>
#include <algorithm>
#include <string>
using namespace std;
string uperCase(string input){
transform(input.begin(), input.end(), input.begin(), ::toupper);
return input;
};
string lowerCase(string input){
transform(input.begin(), input.end(), input.begin(), ::tolower);
return input;
};
int main()
{
string input;
cout <<"Please enter: ";
cin >> input;
cout << "Uper Case: "<<uperCase(input) << endl;
cout << "Lower Case: "<<lowerCase(input) << endl;
}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 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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