enter image description here attached picture is cs50 ide screen capture image near cursos location. I have already close and open again but there is no difference. I don't know how to and what to do.

  • I found it appears only when I run the v2 program. I tried close the terminal and add new terminal. It was fine but as I run the v2 again result was same. – Oh Seok Kyun Feb 18 '16 at 1:43
  • It is likely that your program is "printing" a non-printable ascii control character that is affecting the terminal session. Time to track down the bug in the code. – Cliff B Feb 18 '16 at 2:13

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