/in/foo.c: In function 'main':
/in/foo.c:6:2: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
  for (i = 0; i < 3; i++)
  ^~~
/in/foo.c:8:3: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for'
   if((a[0]*a[1]==a[2]*a[2])|| (a[0] * a[2] == a[1] * a[1])|| (a[2] * a[1] == a[0] * a[0]))
   ^~
/in/foo.c:5:6: warning: unused variable 't' [-Wunused-variable]
  int t,i;
      ^