Author: | A. Klenin | Time limit: | 1 sec | |
Input file: | input.txt | Memory limit: | 64 Mb | |
Output file: | output.txt |
Your program must calculate the value of lim.
All coefficients are integers, so the answer must be calculated exactly and presented in the form of irreducible fraction.
1 \le n \le 100, 0 \le a_i,\,b_i \le 10^9, \sum\limits_i (b_i + a_i) \gt 0
No. | Input file (input.txt ) |
Output file (output.txt ) |
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2 |
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