Compilare: user.cpp: In function ‘int main()’: user.cpp:43:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int aux1=i; aux1<=x-1; aux1++) ^ user.cpp:44:36: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int aux2=j; aux2<=y-1; aux2++) ^ user.cpp:47:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (b[aux1][aux2]>max) ^ user.cpp:52:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (b[x-1][y-1]==max) ++nrord; ^