convert to uppercase character 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); //uppercase
cout << s << endl;
return 0;
}
Example 2: c++ convert lowercase to uppercase
/* toupper example */
#include <stdio.h>
#include <ctype.h>
int main ()
{
int i=0;
char str[]="Test String.\n";
char c;
while (str[i])
{
c=str[i];
putchar (toupper(c));
i++;
}
return 0;
}