/in/foo.c: In function 'main':
/in/foo.c:11:3: error: expected ';' before 'if'
   if (num[i] > num[i-1]) {
   ^~
/in/foo.c:17:6: error: 'i' undeclared (first use in this function)
  for(i=0;i<n;i++)
      ^
/in/foo.c:17:6: note: each undeclared identifier is reported only once for each function it appears in
/in/foo.c:6:6: warning: unused variable 'temp' [-Wunused-variable]
  int temp;
      ^~~~