Compilare: user.cpp: In function ‘void pariu(int, int)’: user.cpp:16:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < t[in].size(); i++) ^ user.cpp: In function ‘int main()’: user.cpp:43:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int j = 0; j < t[i].size(); j++) ^