Compilare: user.cpp: In function ‘void scade()’: user.cpp:14:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j = 0; j < v[st].size(); ++j) ^ user.cpp: In function ‘int main()’: user.cpp:31:20: warning: variable ‘d’ set but not used [-Wunused-but-set-variable] for(int i = 1, d, lim, mn; i <= n; ++i) ^ user.cpp:31:23: warning: unused variable ‘lim’ [-Wunused-variable] for(int i = 1, d, lim, mn; i <= n; ++i) ^ user.cpp:31:28: warning: unused variable ‘mn’ [-Wunused-variable] for(int i = 1, d, lim, mn; i <= n; ++i) ^ user.cpp:47:38: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j = 0; j < v[i].size(); ++j) ^