viewimage.php?id=3dae&no=24b0d769e1d32ca73cee86fa11d0283191de25edc716dfae8790c63e5c6edc5a8a7ea836f97544f5a171f4210bad2768fb26ad90f801ed52f2334c2c4062aa37eeee299d35c1aefccdc0efb5f73234e2a20f9c872e65f24c80

문제의도보면 n^2 각인데