Eroare de compilare: user.cpp:2:19: error: stdio.h.: No such file or directory user.cpp:5: warning: missing braces around initializer for 'int [150]' user.cpp: In function 'void bfs()': user.cpp:69: warning: operation on 'u' may be undefined user.cpp: In function 'void cit()': user.cpp:79: error: 'stdin' was not declared in this scope user.cpp:79: error: 'freopen' was not declared in this scope user.cpp:81: error: 'scanf' was not declared in this scope user.cpp: In function 'int main()': user.cpp:90: error: 'stdout' was not declared in this scope user.cpp:90: error: 'freopen' was not declared in this scope user.cpp:91: error: 'printf' was not declared in this scope