摘要:
**Matrix Power Series** 时间限制(普通/Java):1000MS/3000MS 内存限制:65536KByte **描述** >Given a n × n matrix A and a positive integer k, find the sum S = A + A2 + 阅读全文
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**5103: Electric Fence** 时间限制(普通/Java):1000MS/3000MS 内存限制:64000KByte **描述** >In this problem, "lattice points" in the plane are points with integer co 阅读全文
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**Wall** 时间限制(普通/Java):1000MS/3000MS 内存限制:64000KByte **描述** >Once upon a time there was a greedy King who ordered his chief Architect to build a wall 阅读全文