#include <iostream>
#include <cstring>
#include <cctype>
using namespace std;
const size_t maxStrLen = 100;
int main(int argc, char *argv[]) {
char str[maxStrLen];
cout << "Please enter a string of characters: ";
cin.get(str, sizeof(str));
for (size_t i = 0; (i < maxStrLen) && (str[i] != '\0'); ++i) {
str[i] = toupper(str[i]);
}
cout << "The string in uppercase is: " << str << endl;
return 0;
}
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