I submitted this to 527C: h[submission:167938194]

I'm sure that it's O(nlogn) ($$$n \leq 2 \times 10^5$$$), and I TLEed on 7.

Please help me!

I have problem with problem 3C. This is my submisson:139851350

And its exit code is 2147483647! I tried many times. Please help me!

Hello,I'm a 10-years-old student from China.I like CodeForces! I like to write code with C++ and Java. Eric