Mega Code Archive
Use toupper function to convert all elements in a char vector to upper case
<![CDATA[
#include <iostream>
#include <vector>
#include <cctype>
using namespace std;
int main()
{
vector<char> v(10); // create a vector of length 10
cout << "Size = " << v.size() << endl;
for(int i=0; i<10; i++)
v[i] = i + 'a';
cout << "Current Contents:\n";
for(int i=0; i<v.size(); i++) cout << v[i] << " ";
cout << "\n\n";
for(int i=0; i<v.size(); i++)
v[i] = toupper(v[i]);
cout << "Modified Contents:\n";
for(int i=0; i<v.size(); i++)
cout << v[i] << " ";
cout << endl;
return 0;
}
Size = 10
Current Contents:
a b c d e f g h i j
Modified Contents:
A B C D E F G H I J
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