#include <iostream>
int find_next_digit(int number, int target) {
int next = -1; // To store the next digit (default: -1 if not found)
int current;
while (number > 0) {
current = number % 10; // Extract the last digit
number /= 10; // Remove the last digit
if (current == target) {
return next; // Return the next digit if target is found
}
next = current; // Update the next digit
}
return -1; // Return -1 if the target digit is not found
}
int main() {
int number = 8902741;
int target = 2;
int result = find_next_digit(number, target);
if (result != -1) {
std::cout << "The digit after " << target << " in " << number << " is " << result << ".\n";
} else {
std::cout << "The digit " << target << " is not found or has no next digit in " << number << ".\n";
}
}
/*
run:
The digit after 2 in 8902741 is 7.
*/
