Eroare de compilare: user.c: In function `main': user.c:21: warning: unused variable `j' user.c:21: warning: unused variable `p' user.c:21: warning: unused variable `t' user.c:21: warning: unused variable `cnt' user.c:21: warning: unused variable `oldt' user.c:61: warning: control reaches end of non-void function user.c: At top level: user.c:76: error: syntax error before "for" user.c:79: error: syntax error before string constant user.c:79: warning: type defaults to `int' in declaration of `printf' user.c:79: warning: conflicting types for built-in function `printf' user.c:79: warning: data definition has no type or storage class