Eroare de compilare: user.c: In function ‘main’: user.c:13:17: error: ‘p’ undeclared (first use in this function) a[i]=(n+p)&1?1:d,e=(n+p)&1?i:e; ^ user.c:13:17: note: each undeclared identifier is reported only once for each function it appears in user.c:13:25: warning: left-hand operand of comma expression has no effect [-Wunused-value] a[i]=(n+p)&1?1:d,e=(n+p)&1?i:e; ^ user.c:5:12: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result [-Wunused-result] freopen("paritate.in","r",stdin),freopen("paritate.out","w",stdout),fgets(s,61000,stdin); ^ user.c:5:45: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result [-Wunused-result] freopen("paritate.in","r",stdin),freopen("paritate.out","w",stdout),fgets(s,61000,stdin); ^ user.c:5:78: warning: ignoring return value of ‘fgets’, declared with attribute warn_unused_result [-Wunused-result] freopen("paritate.in","r",stdin),freopen("paritate.out","w",stdout),fgets(s,61000,stdin); ^