Compilare: main.cpp:3:0: warning: "var" redefined #define var long long main.cpp:2:0: note: this is the location of the previous definition #define var unsigned long long main.cpp: In function 'long long int nrTOBinary(long long int)': main.cpp:20:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ main.cpp: In function 'bool find_subsecv(std::__cxx11::string, long long int, long long int)': main.cpp:26:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(s.size() >= dim) ~~~~~~~~~^~~~~~ main.cpp:37:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(var i = dim - 1; i < s.size(); ++i){ ~~^~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:68:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(var i = 0; i <= s[1].size(); ++i) ~~^~~~~~~~~~~~~~ main.cpp:74:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(var dim = 1; dim <= s[1].size(); dim++){ ~~~~^~~~~~~~~~~~~~ main.cpp:80:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(id + dim >= s[1].size()){ ~~~~~~~~~^~~~~~~~~~~~~~