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:3:2: warning: #import is a deprecated GCC extension [-Wdeprecated] 3 | #import<cstring> | ^~~~~~ main.cpp:7: warning: ignoring '#pragma GCC Optimize' [-Wunknown-pragmas] 7 | #pragma GCC Optimize("Ofast") | main.cpp:51:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type] 51 | main() | ^~~~