Compilare: 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<bitset> | ^~~~~~ main.cpp:4:2: warning: #import is a deprecated GCC extension [-Wdeprecated] 4 | #import<cmath> | ^~~~~~ main.cpp: In function 'std::pair<int, bool> ok(long long int)': main.cpp:49:27: warning: unused variable 'last' [-Wunused-variable] 49 | int mx=v.size(),cnt=0,last=-69; | ^~~~ main.cpp:50:21: warning: unused variable 'c' [-Wunused-variable] 50 | const long long c=n; | ^ main.cpp: At global scope: main.cpp:73:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type] 73 | main() | ^~~~