摘要： 
# [Codeforces Round 886 (Div. 4)](https://codeforces.com/contest/1850) ## A~D: ```c++ //A: bool solve(){ cin>>a[1]>>a[2]>>a[3]; sort(a+1,a+4); return 阅读全文
# [Codeforces Round 886 (Div. 4)](https://codeforces.com/contest/1850) ## A~D: ```c++ //A: bool solve(){ cin>>a[1]>>a[2]>>a[3]; sort(a+1,a+4); return 阅读全文