Compilare: user.cpp: In function ‘int tabela(int, int, unsigned int)’: user.cpp:9:13: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(l <= lat && c <= lat) ^ user.cpp:9:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(l <= lat && c <= lat) ^ user.cpp:11:13: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(l <= lat && c > lat) ^ user.cpp:11:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(l <= lat && c > lat) ^ user.cpp:13:12: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(l > lat && c <= lat) ^ user.cpp:13:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(l > lat && c <= lat) ^ user.cpp: In function ‘int main()’: user.cpp:21:9: warning: unused variable ‘v’ [-Wunused-variable] int v[l][c]; ^ user.cpp:21:15: warning: ‘c’ is used uninitialized in this function [-Wuninitialized] int v[l][c]; ^ user.cpp:21:15: warning: ‘l’ is used uninitialized in this function [-Wuninitialized]