摘要：
"题目链接" E. Mike and Friends time limit per test3 seconds memory limit per test256 megabytes inputstandard input outputstandard output What The Fatherla 阅读全文
摘要：
"题目链接" D. String time limit per test2 seconds memory limit per test256 megabytes inputstandard input outputstandard output You are given a string s. E 阅读全文