Borderou de evaluare (job #783678)

Eroare de compilare: main.c: In function 'main': main.c:19:19: error: expected ')' before 'and' 19 | if(c >='0' and c <= '9') | ~ ^~~~ | ) main.c:21:23: error: expected ')' before 'and' 21 | else if(c>='a' and c<='z' or c>='A' and c<='Z') | ~ ^~~~ | ) main.c:10:6: warning: ignoring return value of 'freopen' declared with attribute 'warn_unused_result' [-Wunused-result] 10 | freopen("numchar.in","r",stdin) ; | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.c:11:6: warning: ignoring return value of 'freopen' declared with attribute 'warn_unused_result' [-Wunused-result] 11 | freopen ("numchar.out","w",stdout) ; | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.c:13:5: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result] 13 | scanf ("%d\n",& n); | ^~~~~~~~~~~~~~~~~~ main.c:18:9: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result] 18 | scanf("%c",&c); | ^~~~~~~~~~~~~~