Eroare de compilare: main.cpp:18:10: error: expected initializer before 'fin' ifstream fin("maxflow.in"); ^~~ main.cpp: In function 'void initPreflow()': main.cpp:36:5: error: 'vol' was not declared in this scope vol = a[1][i].c; ^~~ main.cpp:37:5: error: 'vecin' was not declared in this scope vecin = a[1][i].f; ^~~~~ main.cpp: In function 'int main()': main.cpp:103:3: error: 'fin' was not declared in this scope fin >> n >> m; ^~~ Non zero exit status: 1