Compilare: main.cpp: In function 'void solve()': main.cpp:52:28: warning: comparison of integer expressions of different signedness: 'std::size_t' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 52 | if (lin[i].count() != (n >> 1) || col[i].count() != (n >> 1)) | ~~~~~~~~~~~~~~~^~~~~~~~~~~ main.cpp:52:58: warning: comparison of integer expressions of different signedness: 'std::size_t' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 52 | if (lin[i].count() != (n >> 1) || col[i].count() != (n >> 1)) | ~~~~~~~~~~~~~~~^~~~~~~~~~~ main.cpp:96:21: warning: suggest parentheses around assignment used as truth value [-Wparentheses] 96 | if (mn = (nr_asoc1 + nr1) || mn == (nr_asoc1 + nr2)) | ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~