cezar1.cpp: In function 'void dfs(int, int, int, long long int&)': cezar1.cpp:15: warning: comparison between signed and unsigned integer expressions cezar1.cpp: In function 'int Centru(int, int, int)': cezar1.cpp:25: warning: comparison between signed and unsigned integer expressions cezar1.cpp: In function 'void F(int, int)': cezar1.cpp:34: warning: comparison between signed and unsigned integer expressions cezar1.cpp:37: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x cezar1.cpp:37: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x cezar1.cpp:37: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x