Compilare: main.cpp: In function 'void BFS(int, int)': main.cpp:101:17: warning: unused variable 'idxx' [-Wunused-variable] 101 | int xx, yy, idxx, idx = 1; | ^~~~ main.cpp: In function 'void SolveTask2()': main.cpp:128:9: warning: variable 'root' set but not used [-Wunused-but-set-variable] 128 | int root, cnt = 0, rootX, rootY; | ^~~~ main.cpp:147:33: warning: 'rootY' may be used uninitialized in this function [-Wmaybe-uninitialized] 147 | g << cnt << " " << rootY << "\n"; | ^~~~ main.cpp:148:8: warning: 'rootX' may be used uninitialized in this function [-Wmaybe-uninitialized] 148 | BFS(rootX, rootY); | ~~~^~~~~~~~~~~~~~