Compilare: main.cpp: In function 'void bfs()': main.cpp:68:25: warning: pointer to a function used in arithmetic [-Wpointer-arith] 68 | if(!check[nx][ny]) | ^ main.cpp:68:29: warning: pointer to a function used in arithmetic [-Wpointer-arith] 68 | if(!check[nx][ny]) | ^ main.cpp:69:21: warning: statement has no effect [-Wunused-value] 69 | true; | ^ main.cpp: In function 'int main()': main.cpp:115:17: warning: unused variable 'ox' [-Wunused-variable] 115 | int ox = i, oj = j - 1; | ^~ main.cpp:115:25: warning: unused variable 'oj' [-Wunused-variable] 115 | int ox = i, oj = j - 1; | ^~