TopCoder SRM 658 Div1

---------------------------------------------------------------
Hard是个构造题就不想做(其实是不会做)
话说这场是构造场吗...两道构造题...
 

BZOJ NOI十连测 6thTest

​-------------------------------------------------------------------
QAQ
 

BZOJ NOI十连测 5thTest

-----------------------------------------------------------
为什么从第五次才开始写总结呢?..
因为之前忘了OvO
 

TopCoder SRM 626 Div1

------------------------------------------------------------
1000一眼看过去觉得太难了就没做...
 

TopCoder SRM 620 Div1

------------------------------------------------------------
QAQ
 

Topcoder 669 Div1

------------------------------------------------------------------------
QAQ