摘要：摘自http://www.myexception.cn/cpp/1900041.html const int *p 为什么可以不初始化？c++ primer 5th P53 写道：const 对象一旦创建后其值就不能再改变，所以const对象必须初始化。 但在 P57 中练习2.28的第(e）题为什 阅读全文

摘要：2018-03-16 http://codeforces.com/problemset/problem/697/C C. Lorenzo Von Matterhorn time limit per test 1 second memory limit per test 256 megabytes i 阅读全文

摘要：2018-03-11 http://codeforces.com/contest/946/problem/D D. Timetable time limit per test 2 seconds time limit per test memory limit per test 256 megaby 阅读全文

摘要：2018-03-03 http://codeforces.com/problemset/problem/937/B B. Vile Grasshoppers time limit per test 1 second time limit per test memory limit per test 阅读全文

摘要：2018-03-03 http://codeforces.com/problemset/problem/939/C C. Convenient For Everybody time limit per test 2 seconds time limit per test memory limit p 阅读全文