scara1.cpp: In function 'void path(int, int)': scara1.cpp:45: warning: unused variable 'i' scara1.cpp: In function 'bool Less(std::vector<int, std::allocator<int> >, std::vector<int, std::allocator<int> >)': scara1.cpp:57: warning: comparison between signed and unsigned integer expressions scara1.cpp: In function 'int main()': scara1.cpp:102: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x scara1.cpp:102: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x scara1.cpp:110: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x scara1.cpp:110: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x scara1.cpp:128: warning: comparison between signed and unsigned integer expressions scara1.cpp:137: warning: comparison between signed and unsigned integer expressions