class Main {
static int countZeros(int n) {
int count = 0;
while (n % 10 == 0) {
count++;
n /= 10;
}
return count;
}
public static void main
(String[] args
) { System.
out.
println(countZeros
(123000)); System.
out.
println(countZeros
(102030)); }
}
//https://pt.stackoverflow.com/q/112972/101
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