Zeyuan (Faradawn) Yang

ICPC and LLDB GDB

Fast Read Cin

ios::sync_with_stdio(false);
cin.tie(NULL);
int tt;
cin >> tt;

LLDB

g++ -g -std=c++17 temp.cpp; ./a.out
lldb a.out (or, target create a.out)
b func1
run
bt
n (step over)
s (step in)