A : book
Diff : Easy(2)
Comment : stack, stack, and more stack, I love STL
(Log)
When I try to give it a BIG case(N>=200000):
0s after run : IT WON’T BE TLE!
5s after run : ????
10s after run : (console closed)
15s after run : HUH?????
Final :
……¿¿¿¿¿¿