Eroare de compilare: user.c:1:17: error: cstdio: No such file or directory user.c:2:17: error: vector: No such file or directory user.c:3: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘namespace’ user.c:5: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘<’ token user.c: In function ‘read’: user.c:14: warning: implicit declaration of function ‘scanf’ user.c:14: warning: incompatible implicit declaration of built-in function ‘scanf’ user.c:15: error: ‘v’ undeclared (first use in this function) user.c:15: error: (Each undeclared identifier is reported only once user.c:15: error: for each function it appears in.) user.c: In function ‘bfs’: user.c:24: error: ‘vector’ undeclared (first use in this function) user.c:24: error: expected expression before ‘int’ user.c:25: error: expected expression before ‘int’ user.c:26: error: expected expression before ‘int’ user.c:27: error: ‘q’ undeclared (first use in this function) user.c:28: error: ‘l’ undeclared (first use in this function) user.c:33: error: ‘v’ undeclared (first use in this function) user.c:34: error: ‘viz’ undeclared (first use in this function) user.c:40: warning: implicit declaration of function ‘printf’ user.c:40: warning: incompatible implicit declaration of built-in function ‘printf’ user.c:45: warning: incompatible implicit declaration of built-in function ‘printf’ user.c: In function ‘main’: user.c:52: warning: implicit declaration of function ‘freopen’ user.c:52: error: ‘stdin’ undeclared (first use in this function) user.c:53: error: ‘stdout’ undeclared (first use in this function) user.c:54: warning: incompatible implicit declaration of built-in function ‘scanf’ user.c:60: warning: incompatible implicit declaration of built-in function ‘printf’