摘要：
E. Pashmak and GraphPashmak's homework is a problem about graphs. Although he always tries to do his homework completely, he can't solve this problem.... 阅读全文
摘要：
D. Pashmak and Parmida's problemtime limit per test3 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputParmida is a cle... 阅读全文