| 1 | PROGRAM PLOTHILBERTKURVEN(INPUT,OUTPUT); |
| 2 | |
| 3 | CONST H0=2560; |
| 4 | |
| 5 | VAR N,H,I: INTEGER; |
| 6 | |
| 7 | PROCEDURE ANFANG; |
| 8 | BEGIN |
| 9 | WRITELN("H", H DIV 2 + 100 :1, "@", H DIV 2 + 100 :1, "AKI") |
| 10 | END (* ANFANG *); |
| 11 | |
| 12 | PROCEDURE STRECKE(R: INTEGER); |
| 13 | BEGIN |
| 14 | CASE R MOD 4 OF |
| 15 | 0: WRITELN(H:1,"A@J"); |
| 16 | 1: WRITELN(H:1,"@AJ"); |
| 17 | 2: WRITELN(H:1,"Q@J"); |
| 18 | 3: WRITELN(H:1,"PAJ") |
| 19 | END |
| 20 | END (* STRECKE *); |
| 21 | |
| 22 | PROCEDURE SCHLUSS; |
| 23 | BEGIN |
| 24 | WRITELN("H", H0:1,"@AK"); |
| 25 | FOR I := 1 TO 384 DO WRITE(" "); WRITELN |
| 26 | END (* SCHLUSS *); |
| 27 | |
| 28 | |
| 29 | PROCEDURE HILBERT(I,R,S: INTEGER); |
| 30 | BEGIN |
| 31 | IF I>0 THEN |
| 32 | BEGIN |
| 33 | HILBERT(I-1,R-S,-S); |
| 34 | STRECKE(R-S); |
| 35 | HILBERT(I-1,R,S); |
| 36 | STRECKE(R); |
| 37 | HILBERT(I-1,R,S); |
| 38 | STRECKE(R+S); |
| 39 | HILBERT(I-1,R+S,-S) |
| 40 | END |
| 41 | END (* HILBERT *); |
| 42 | |
| 43 | |
| 44 | BEGIN |
| 45 | WHILE NOT EOF DO |
| 46 | BEGIN READ(N); |
| 47 | H := H0; FOR I := 1 TO N DO H := H DIV 2; |
| 48 | ANFANG; |
| 49 | HILBERT(N,1,1); |
| 50 | SCHLUSS |
| 51 | END |
| 52 | END. |