convert to uppercase in c++ code example
Example 1: 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);
cout << s << endl;
return 0;
}
Example 2: convert all characters in string to uppercase c++
transform(str.begin(), str.end(), str.begin(), ::toupper);
Example 3: convert from uppercase to lowercase c++
int i = 0;
while(str[i])
{
if(str[i] == std::toupper(str[i]) && std::isalpha(str[i]) == 1024)
str[i]+= 32;
++i;
}