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CF1985B.Maximum Multiple Sum
Maximum Multiple Sum
Given an integer , find an integer such that:
- .
- The sum of multiples of that are less than or equal to is maximized. Formally, where is maximized over all possible values of .
Input
The first line contains () — the number of test cases.
Each test case contains a single integer ().
Output
For each test case, output an integer, the optimal value of . It can be shown there is only one unique answer.
Note
For , the possible values of are and . The sum of all multiples of less than or equal to is just , and the sum of all multiples of less than or equal to is . Therefore, is the optimal value of .
For , the optimal value of is . The sum of all multiples of less than or equal to is , which can be proven to be the maximal over all other possible values of .
Samples
2
3
15
3
2
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