摘要:
C. Slava and tankstime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputSlava plays his favorite game 阅读全文
摘要:
B. Nikita and stringtime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputOne day Nikita found the str 阅读全文