Given an array with N elements and a number P (P ≤ N). Pick randomly P elements from the array, let's call T the product of these elements. Find the largest x that T % 10^x = 0
Example:
Input
3 2
26 5 96
Output
1
Input
3 2
25 4 90
Output
2
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6 | tourist | 3565 |
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10 | jiangly | 3468 |
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1 | maomao90 | 174 |
2 | awoo | 164 |
3 | adamant | 163 |
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5 | nor | 158 |
6 | maroonrk | 156 |
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10 | pajenegod | 145 |
Help me with this DP problem
Given an array with N elements and a number P (P ≤ N). Pick randomly P elements from the array, let's call T the product of these elements. Find the largest x that T % 10^x = 0
Example:
Input
3 2
26 5 96
Output
1
Input
3 2
25 4 90
Output
2
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