Compilare: main.cpp: In function 'int main()': main.cpp:134:28: warning: suggest parentheses around assignment used as truth value [-Wparentheses] 134 | viz[i][j] = dist[i][j] = 0; | ~~~~~~~~~~~^~~ main.cpp:108:31: warning: 'c1' may be used uninitialized in this function [-Wmaybe-uninitialized] 108 | fout << (l2 - l1 + 1) * (c2 - c1 + 1) << '\n'; | ~~~^~~~ main.cpp:108:31: warning: 'c2' may be used uninitialized in this function [-Wmaybe-uninitialized] main.cpp:108:15: warning: 'l1' may be used uninitialized in this function [-Wmaybe-uninitialized] 108 | fout << (l2 - l1 + 1) * (c2 - c1 + 1) << '\n'; | ~~~^~~~ main.cpp:108:15: warning: 'l2' may be used uninitialized in this function [-Wmaybe-uninitialized]