Ivan comes again!
Description
The Fairy Ivan gave Saya three problems to solve (Problem F). After Saya finished the first problem (Problem H), here comes the second.
This is the enhanced ve...
分类：
其他好文 时间：
2015-07-22 00:12:04
阅读次数：
182
Hello World!
Description
We know that Ivan gives Saya three problems to solve (Problem F), and this is the first problem.
“We need a programmer to help us for some projects. If you show u...
分类：
其他好文 时间：
2015-07-21 17:17:43
阅读次数：
130
