/in/foo.c: In function 'FindiSecondMax':
/in/foo.c:6:2: warning: statement with no effect [-Wunused-value]
  for(i;i<n;i++)
  ^~~
/in/foo.c:15:2: warning: statement with no effect [-Wunused-value]
  for(i;i<n;i++)
  ^~~
/in/foo.c:25:2: warning: statement with no effect [-Wunused-value]
  for(i;i<n;i++)
  ^~~
/in/foo.c:35:2: warning: statement with no effect [-Wunused-value]
  for(i;i<n;i++)
  ^~~
/in/foo.c: In function 'main':
/in/foo.c:55:5: warning: statement with no effect [-Wunused-value]
     for(i;i<n1;i++)
     ^~~
/in/foo.c:60:2: warning: statement with no effect [-Wunused-value]
  for(i;i<n2;i++)
  ^~~