697脑筋急转弯简单derivationmedium
Consecutive Block With Sum Minus 3 Length Divisible by 11
题目
Given 11 integers b_1, ..., b_11, prove that some nonempty consecutive block has sum congruent to 3 times its length modulo 11.
解题计时
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提交作答时记录，用于后续平均用时统计。
题目
Given 11 integers b_1, ..., b_11, prove that some nonempty consecutive block has sum congruent to 3 times its length modulo 11.
解题计时
0:00
提交作答时记录，用于后续平均用时统计。