摘要:
Triangular Sums时间限制:3000ms | 内存限制:65535KB难度:2描述ThenthTriangularnumber,T(n) = 1 + … +n, is the sum of the firstnintegers. It is the number of points in... 阅读全文
posted @ 2015-06-07 23:37
cleverbiger
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