Compilare: user.cpp: In function ‘void infasuratoare(std::vector<std::pair<int, int> >&)’: user.cpp:26:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int j=0; j<P.size(); j++) ^ user.cpp:41:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int j=2;j<P.size();j++) { ^ user.cpp: In function ‘int next(std::vector<std::pair<int, int> >&, int)’: user.cpp:55:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] return ((c!=P.size()-1) ? c+1 : 0); ^ user.cpp: In function ‘int main()’: user.cpp:110:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (cp == P.size()-1) { ^