C++ generate a random letter
#include <iostream>
int main() {
srand(time(0));
std::cout <<"random uppercase = " << char('A' + rand() % 26) << std::endl;
// or
std::cout <<"random uppercase = " << char('a' + rand() % 26) << std::endl;
}generate random string in c++
#include <random>
#include <string>
std::string random_string()
{
std::string str("0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz");
std::random_device rd;
std::mt19937 generator(rd());
std::shuffle(str.begin(), str.end(), generator);
return str.substr(0, 32); // assumes 32 < number of characters in str
}Copyright © 2021 Codeinu
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