Wrong Answer
/in/foo.c: In function 'mul':
/in/foo.c:8:9: warning: unused variable 'n2' [-Wunused-variable]
int n1,n2,i,j;
^~
/in/foo.c:8:6: warning: unused variable 'n1' [-Wunused-variable]
int n1,n2,i,j;
^~
/in/foo.c: In function 'mul':
/in/foo.c:8:9: warning: unused variable 'n2' [-Wunused-variable]
int n1,n2,i,j;
^~
/in/foo.c:8:6: warning: unused variable 'n1' [-Wunused-variable]
int n1,n2,i,j;
^~
