Eroare de compilare: main.cpp: In function 'std::pair<Graph<NodeData>, std::vector<std::vector<bool> > > buildGraph(std::ifstream&, const size_t&, const size_t&)': main.cpp:284:22: warning: unused variable 'weight' [-Wunused-variable] 284 | bool weight = grid[i][j] != grid[i - 1][j]; | ^~~~~~ main.cpp:291:22: warning: unused variable 'weight' [-Wunused-variable] 291 | bool weight = grid[i][j] != grid[i][j - 1]; | ^~~~~~ /usr/bin/ld: /usr/lib/gcc/x86_64-pc-linux-gnu/12.2.1/../../../../lib/crt1.o: in function `_start': /build/glibc/src/glibc/csu/../sysdeps/x86_64/start.S:103: undefined reference to `main' collect2: error: ld returned 1 exit status Non zero exit status: 1