Compilare: main.cpp: In function 'void solve()': main.cpp:36:28: warning: comparison of integer expressions of different signedness: 'std::size_t' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 36 | if (lin[i].count() != (n >> 1) || col[i].count() != (n >> 1)) | ~~~~~~~~~~~~~~~^~~~~~~~~~~ main.cpp:36:58: warning: comparison of integer expressions of different signedness: 'std::size_t' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 36 | if (lin[i].count() != (n >> 1) || col[i].count() != (n >> 1)) | ~~~~~~~~~~~~~~~^~~~~~~~~~~ main.cpp:67:13: warning: unused variable 'linie1' [-Wunused-variable] 67 | int linie1 = 1, coloana1 = 1, linie2, coloana2; | ^~~~~~ main.cpp:67:25: warning: unused variable 'coloana1' [-Wunused-variable] 67 | int linie1 = 1, coloana1 = 1, linie2, coloana2; | ^~~~~~~~ main.cpp:67:39: warning: variable 'linie2' set but not used [-Wunused-but-set-variable] 67 | int linie1 = 1, coloana1 = 1, linie2, coloana2; | ^~~~~~ main.cpp:67:47: warning: variable 'coloana2' set but not used [-Wunused-but-set-variable] 67 | int linie1 = 1, coloana1 = 1, linie2, coloana2; | ^~~~~~~~