0_0_38888972_14023.c: In function 'main':
0_0_38888972_14023.c:10:25: error: 'num' undeclared (first use in this function); did you mean 'sum'?
10 | num=sum+d;
| ^~~
| sum
0_0_38888972_14023.c:10:25: note: each undeclared identifier is reported only once for each function it appears in
|