Compilare: main.cpp:1:2: warning: #import is a deprecated GCC extension [-Wdeprecated] 1 | #import<fstream> | ^~~~~~ main.cpp:2:2: warning: #import is a deprecated GCC extension [-Wdeprecated] 2 | #import<algorithm> | ^~~~~~ main.cpp:6:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type] 6 | main() | ^~~~ main.cpp: In function 'int main()': main.cpp:8:24: warning: 'n' is used uninitialized in this function [-Wuninitialized] 8 | int n;for(int i=0;i<n;i++)cin>>a[i]; | ~^~