asfalt1.cpp: In function 'void bfs(int, int)': asfalt1.cpp:33: warning: comparison between signed and unsigned integer expressions asfalt1.cpp: In function 'int main()': asfalt1.cpp:122: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x asfalt1.cpp:122: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x asfalt1.cpp:123: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x asfalt1.cpp:123: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x asfalt1.cpp:117: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result asfalt1.cpp:121: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result