Question

How to find the lowest digit in int number with C++

Answer 1

#include <iostream>

int getTheLowestDigit(int n) {
    int min = 9;
    while(n) {
        if (n % 10 < min) min = n % 10;
        n /= 10;
    }
    return min;
}

int main() {
    int n = 213;
    std::cout << getTheLowestDigit(n) << "\n";
      
    n = 76594;
    std::cout << getTheLowestDigit(n) << "\n";
      
    n = 76529;
    std::cout <<  getTheLowestDigit(n) << "\n";
}



/*
run:

1
4
2

*/

 

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