1016B - Segment Occurrences(字符串的匹配)
摘要：
题意：字符串a，字符串b，给你q个区间，让你求a的区间内字符串b出现了多少次 之前用的前缀数组做的，没想起来，发现这个其实也可以 阅读全文
posted @ 2018-09-25 20:33 一只小毛球 阅读(190) 评论(0) 推荐(0) 编辑
Pythagorean Triples 707C
摘要：
Katya studies in a fifth grade. Recently her class studied right triangles and the Pythagorean theorem. It appeared, that there are triples of positiv 阅读全文
posted @ 2018-09-25 16:05 一只小毛球 阅读(180) 评论(0) 推荐(0) 编辑
Turn the Rectangles 1008B
摘要：
output standard output output standard output output There are nn rectangles in a row. You can either turn each rectangle by 9090 degrees or leave it 阅读全文
posted @ 2018-09-25 11:11 一只小毛球 阅读(175) 评论(0) 推荐(0) 编辑
Sonya and Exhibition 1004B
摘要：
B. Sonya and Exhibition time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output B. Sonya and Exhi 阅读全文
posted @ 2018-09-25 10:31 一只小毛球 阅读(193) 评论(0) 推荐(0) 编辑