Compilare: main.cpp:1:2: warning: #import is a deprecated GCC extension [-Wdeprecated] 1 | #import<fstream> | ^~~~~~ main.cpp:3:2: warning: #import is a deprecated GCC extension [-Wdeprecated] 3 | #import<vector> | ^~~~~~ main.cpp:5:2: warning: #import is a deprecated GCC extension [-Wdeprecated] 5 | #import<algorithm> | ^~~~~~ main.cpp:7:2: warning: #import is a deprecated GCC extension [-Wdeprecated] 7 | #import<cmath> | ^~~~~~ main.cpp:9:2: warning: #import is a deprecated GCC extension [-Wdeprecated] 9 | #import<queue> | ^~~~~~ main.cpp:11:2: warning: #import is a deprecated GCC extension [-Wdeprecated] 11 | #import<unordered_set> | ^~~~~~ main.cpp:13:2: warning: #import is a deprecated GCC extension [-Wdeprecated] 13 | #import<string> | ^~~~~~ main.cpp:63:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type] 63 | main() | ^~~~