Eroare de compilare: user.c:5: error: conflicting types for 'marm' user.c:4: error: previous declaration of 'marm' was here user.c: In function 'distanta': user.c:10: warning: implicit declaration of function 'abs' user.c: In function 'verificare': user.c:15: warning: unused variable 't' user.c:15: warning: unused variable 'z' user.c: In function 'main': user.c:40: warning: format '%ld' expects type 'long int *', but argument 5 has type 'int *' user.c:42: error: 'k' undeclared (first use in this function) user.c:42: error: (Each undeclared identifier is reported only once user.c:42: error: for each function it appears in.) user.c:75:2: warning: no newline at end of file