Question

How to multiply the digits of a number in Dart

Answer 1

num multiplyDigits(n) {
    num mul = 1;
    
    while (n != 0) {
        mul *= n % 10;
        n = (n / 10).floor();
    }
    
    return mul;
}

void main() {
    int N = 78123;

    print(multiplyDigits(N));
}





/*
run:

336

*/

 

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