#include <iostream>
#include <ctime>
#include <string>
// Generate a random 6‑digit number
int generateSixDigit() {
return 100000 + rand() % 900000;
}
// Generate a random digit (0–9)
int generateDigit() {
return rand() % 10;
}
// Check if a number contains a specific digit
bool containsDigit(int number, int digit) {
std::string s = std::to_string(number);
char d = '0' + digit;
return s.find(d) != std::string::npos;
}
// Check if number contains all 3 digits
bool containsAllDigits(int number, int d1, int d2, int d3) {
return containsDigit(number, d1) &&
containsDigit(number, d2) &&
containsDigit(number, d3);
}
int main() {
srand(time(nullptr));
int six = generateSixDigit();
int d1 = generateDigit();
int d2 = generateDigit();
int d3 = generateDigit();
std::cout << "6‑digit number: " << six << "\n";
std::cout << "Digits: " << d1 << " " << d2 << " " << d3 << "\n";
if (containsAllDigits(six, d1, d2, d3))
std::cout << "The number contains all 3 digits.\n";
else
std::cout << "The number does NOT contain all 3 digits.\n";
}
/*
run:
6‑digit number: 604263
Digits: 0 7 8
The number does NOT contain all 3 digits.
*/
