viewimage.php?id=3dafdf21f7d335ab67b1d1&no=24b0d769e1d32ca73ded8efa11d02831ee99512b64ee64d67099c224c5054eaab5b5241d948a2497e9e564cbbc7118494d2c7e2f75379b8e23f5b69ab4ac0f41496b6de48735



https://ideone.com/h22icw


? 달팽이맞음









199바이트임

float a,c,d,r,x,y;main(b,i,j,n){for(i=!scanf("%d",&n);i++>!b),putchar(13*!(i%n)))for(b=d=0;!b&d++<3600;r=d*.017,x=r*cos(r)/2,y=r*sin(r)*1.5,b=fabs(i/n-n/2-x)<.7&fabs(-i%n+n/2-y)<.7);}