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g0101_0200.s0172_factorial_trailing_zeroes.Solution Maven / Gradle / Ivy

package g0101_0200.s0172_factorial_trailing_zeroes;

// #Medium #Top_Interview_Questions #Math #Udemy_Integers
// #2022_06_26_Time_1_ms_(85.61%)_Space_42.1_MB_(7.61%)

public class Solution {
    public int trailingZeroes(int n) {
        int base = 5;
        int count = 0;
        while (n >= base) {
            count += n / base;
            base = base * 5;
        }
        return count;
    }
}