Eroare de compilare: user.c: In function ‘main’: user.c:8:20: error: ‘l’ undeclared (first use in this function) c[k]=s[l++]; ^ user.c:8:20: note: each undeclared identifier is reported only once for each function it appears in 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,60006,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,60006,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,60006,stdin); ^