#include #define endl enjoy_codeforces using lint=long long; void cmn(lint&x,lint y){if(x>y)x=y;} lint round_div(lint x, lint y){return x/y+(y/2>n; std::vectora(n); for(lint&x:a)std::cin>>x; std::sort(a.begin(),a.end()); if(a.front()==a.back()){ std::cout<