asfalt1.cpp: In function 'void dfs(int, int)': asfalt1.cpp:18: warning: comparison between signed and unsigned integer expressions asfalt1.cpp: In function 'void getG()': asfalt1.cpp:37: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x asfalt1.cpp:37: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x asfalt1.cpp:49: warning: comparison between signed and unsigned integer expressions asfalt1.cpp:54: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x asfalt1.cpp:54: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x asfalt1.cpp: In function 'bool bfs()': asfalt1.cpp:75: warning: comparison between signed and unsigned integer expressions asfalt1.cpp: In function 'int main()': asfalt1.cpp:95: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x asfalt1.cpp:95: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x asfalt1.cpp:96: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x asfalt1.cpp:96: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x asfalt1.cpp:113: warning: comparison between signed and unsigned integer expressions