Compilare: main.cpp:1:2: warning: #import is a deprecated GCC extension [-Wdeprecated] 1 | #import<iostream> | ^~~~~~ main.cpp:2:2: warning: #import is a deprecated GCC extension [-Wdeprecated] 2 | #import<algorithm> | ^~~~~~ main.cpp:3:2: warning: #import is a deprecated GCC extension [-Wdeprecated] 3 | #import<bitset> | ^~~~~~ 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:10:11: warning: unused variable 'nr0' [-Wunused-variable] 10 | int n,nr0=0; | ^~~