Practice on Toph
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Participate in exhilarating programming contests, solve unique algorithm and data structure challenges and be a part of an awesome community.
Poltu gives a problem to his friend Boltu. The description is given below-
You are given an integer N. You have to calculate the number of trailing zero of 1! × 2! × 3! × 4! × 5! ×……× (N - 1)! × N!
Here, 0! = 1 and A! = A × (A - 1)!
If you don't know about trailing zero, see this.
The first line contains an integer T (1 ≤ T ≤ 105), number of test case.Every Test case contains an integer N (1 ≤ N ≤ 109).
For each test case, print the case number and the result of this problem.
Input | Output |
---|---|
3 4 5 10 | Case 1: 0 Case 2: 1 Case 3: 7 |
44% Solution Ratio
prodip_bsmrstuEarliest,
steinumFastest, 0.0s
prodip_bsmrstuLightest, 3.0 MB
steinumShortest, 413B
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In this problem, you have to find the occurrence of 5 in 1! × 2! × 3! × 4! × 5! ×……× (N - 1)! × N! Y...