zapezi.cpp: In function 'int dfs(int, int)': zapezi.cpp:15: error: '>>' should be '> >' within a nested template argument list zapezi.cpp:16: warning: comparison between signed and unsigned integer expressions zapezi.cpp:13: warning: unused variable 's' zapezi.cpp: In function 'int main()': zapezi.cpp:39: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x zapezi.cpp:39: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x zapezi.cpp:40: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x zapezi.cpp:40: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x