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<vector> | ^~~~~~ main.cpp:3:2: warning: #import is a deprecated GCC extension [-Wdeprecated] 3 | #import<algorithm> | ^~~~~~ main.cpp:7:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type] 7 | main() | ^~~~ main.cpp: In function 'int main()': main.cpp:9:11: warning: unused variable 'x' [-Wunused-variable] 9 | int n,x; | ^