algol,n< begin comment GC7J6KQ Time buffer: 3397.02s = 56m 37.02s Time nonbuffer: 13755.50s = 3h 49m 15.50s No buffer GIER: Time classic: 12949.57 Time turbo: 12120.39 6.4pct Buffer GIER: Time classic: 3397.18 Time turbo: 3077.07 9.4pct ; comment PERM code taken from APL/360 ADVANCEDEX PERM function; procedure PERM(Z,a,b); value a,b; integer a,b; integer array Z; begin integer i,j,rem; rem ≔ b−1; for i ≔ 1 step 1 until a do begin Z[a−i+1] ≔ 1+rem mod i; rem ≔ rem÷i end; for i ≔ a−1 step −1 until 1 do for j ≔ i+1 step 1 until a do if Z[i]⩽Z[j] then Z[j] ≔ Z[j]+1 end PERM; integer procedure ord(s); string s; begin integer c1,c2,c3; boolean b; b ≔ boolean s; c1 ≔ integer (b∧40 63); c2 ≔ integer ((b shift −6)∧40 63); c3 ≔ integer ((b shift −12)∧40 63); ord ≔ if c1=60 then c2+128 else c1 end; integer procedure xor(a,b); value a,b; integer a,b; xor ≔ integer (¬((boolean a) ≡ (boolean b))); integer procedure fetch char(A,offset); value offset; integer array A; integer offset; begin integer i,j; i ≔ integer (((boolean offset)shift −3)∧3 0 37 m); j ≔ (integer((boolean offset)∧37 0 3 m))×5; fetch char ≔ integer (((boolean A[i])shift −j) ∧ 35 0 5 m) end fetch char; procedure WRITE CHAR(c); value c; integer c; begin if ¬((c>127) ≡ (case>127)) then begin case ≔ 128−case; writechar(58+case÷64) end change case; writechar(c mod 128) end WRITECHAR; integer array cipher[0:285]; integer array lookfor[0:2]; integer cipherlen,lookforlen; integer array baudot[0:31]; integer case,iperm; real procedure clock count; code clock count; 1, 37; zl , grf p−1 ; RF ≔ clock count; stack[p−1] ≔ RF; e; select(32); clock count; baudot[0] ≔ ord(«/»); baudot[0] ≔ ord(«2»); baudot[1] ≔ ord(«T»); baudot[2] ≔ ord(«3»); baudot[3] ≔ ord(«O»); baudot[4] ≔ ord(«9»); baudot[5] ≔ ord(«H»); baudot[6] ≔ ord(«N»); baudot[7] ≔ ord(«M»); baudot[8] ≔ ord(«4»); baudot[9] ≔ ord(«L»); baudot[10] ≔ ord(«R»); baudot[11] ≔ ord(«G»); baudot[12] ≔ ord(«I»); baudot[13] ≔ ord(«P»); baudot[14] ≔ ord(«C»); baudot[15] ≔ ord(«V»); baudot[16] ≔ ord(«E»); baudot[17] ≔ ord(«Z»); baudot[18] ≔ ord(«D»); baudot[19] ≔ ord(«B»); baudot[20] ≔ ord(«S»); baudot[21] ≔ ord(«Y»); baudot[22] ≔ ord(«F»); baudot[23] ≔ ord(«X»); baudot[24] ≔ ord(«A»); baudot[25] ≔ ord(«W»); baudot[26] ≔ ord(«J»); baudot[27] ≔ ord(«+»); baudot[27] ≔ ord(«5»); baudot[28] ≔ ord(«U»); baudot[29] ≔ ord(«Q»); baudot[30] ≔ ord(«K»); baudot[31] ≔ ord(«8»); begin comment read baudot; integer i; integer array revbaudot[0:255]; integer procedure LYN; begin integer c; again:c ≔ lyn; if c=58 ∨ c=60 then begin case ≔ (c−58)×64; goto again end; LYN ≔ c+case end LYN; integer procedure read baudot(A); integer array A; begin integer len,c,i,j; len ≔ 0; again: c ≔ LYN; if c=64 ∨ c=192 then goto out; i ≔ len÷8; j ≔ (len mod 8)×5; c ≔ revbaudot[c]; if c=−1 then begin writecr; writetext(«BAD»); write(«ddddd»,len); goto exit end; A[i] ≔ integer (((((boolean A[i]) shift −j) ∧ 35 m 5 0) ∨ boolean c) shift j); len ≔ len+1; goto again; out: read baudot ≔ len; writecr; writetext(«Read: »); writeinteger(«p»,len); end; for i ≔ 0 step 1 until 255 do revbaudot[i] ≔ −1; for i ≔ 0 step 1 until 31 do revbaudot[baudot[i]] ≔ i; case ≔ 0; LYN; cipherlen ≔ read baudot(cipher); lookforlen ≔ read baudot(lookfor) end; for iperm ≔ 1 step 1 until 24 do begin integer array wheellen[1:5],perm[1:4]; integer array wheel1,wheel2,wheel3,wheel4,wheel5[0:12]; integer offset,i; boolean procedure genwheels(offset); value offset; integer offset; begin integer i,j,c1,c2,b1,b2,b3,b4,b5; boolean c3; genwheels ≔ false; for i ≔ 0 step 1 until lookforlen−1 do begin j ≔ i+offset; c1 ≔ fetch char(cipher,j); c2 ≔ fetch char(lookfor,i); c3 ≔ boolean xor(c1,c2); b1 ≔ integer ((c3 ∧ 35 0 5 16)shift −4); b2 ≔ integer ((c3 ∧ 35 0 5 8)shift −3); b3 ≔ integer ((c3 ∧ 35 0 5 4)shift −2); b4 ≔ integer ((c3 ∧ 35 0 5 2)shift −1); b5 ≔ integer ((c3 ∧ 35 0 5 1) ); if wheel1[j mod wheellen[1]]=−1 then wheel1[j mod wheellen[1]] ≔ b1 else if wheel1[j mod wheellen[1]] ≠ b1 then goto bad; if wheel2[j mod wheellen[2]]=−1 then wheel2[j mod wheellen[2]] ≔ b2 else if wheel2[j mod wheellen[2]] ≠ b2 then goto bad; if wheel3[j mod wheellen[3]]=−1 then wheel3[j mod wheellen[3]] ≔ b3 else if wheel3[j mod wheellen[3]] ≠ b3 then goto bad; if wheel4[j mod wheellen[4]]=−1 then wheel4[j mod wheellen[4]] ≔ b4 else if wheel4[j mod wheellen[4]] ≠ b4 then goto bad; if wheel5[j mod wheellen[5]]=−1 then wheel5[j mod wheellen[5]] ≔ b5 else if wheel5[j mod wheellen[5]] ≠ b5 then goto bad end for i; genwheels ≔ true; bad: end genwheels; integer procedure getwheel(offset); value offset; integer offset; getwheel ≔ wheel1[offset mod wheellen[1]]×16 + wheel2[offset mod wheellen[2]]× 8 + wheel3[offset mod wheellen[3]]× 4 + wheel4[offset mod wheellen[4]]× 2 + wheel5[offset mod wheellen[5]]; procedure printclear; begin integer i,c1,c2,c3,ding,pos,c,clast; clast ≔ −1; writecr; pos ≔ 0; ding ≔ 60; for i ≔ 0 step 1 until cipherlen−1 do begin c1 ≔ fetch char(cipher,i); c2 ≔ getwheel(i); c3 ≔ xor(c1,c2); c ≔ baudot[c3]; if clast=−1 then clast ≔ c else begin if clast≠9 then begin WRITE CHAR(clast); pos ≔ pos+1; clast ≔ c end else begin if c=9 then begin if pos>ding then begin writecr; pos ≔ 0 end CR else begin writechar(0); pos ≔ pos+1 end space; clast ≔ −1 end else begin WRITE CHAR(clast); pos ≔ pos+1; clast ≔ c end end end end for i; if clast≠−1 then WRITE CHAR(clast) end printclear; PERM(perm,4,iperm); wheellen[1] ≔ 3; for i ≔ 1 step 1 until 4 do wheellen[i+1] ≔ case perm[i] of (5,7,11,13); writecr; for i ≔ 1 step 1 until 5 do writeinteger(«ddd»,wheellen[i]); for offset ≔ cipherlen−lookforlen step −1 until 0 do begin for i ≔ 0 step 1 until 12 do wheel1[i] ≔ wheel2[i] ≔ wheel3[i] ≔ wheel4[i] ≔ wheel5[i] ≔ −1; if genwheels(offset) then begin writecr; writechar(58); case ≔ 0; write(«ddddd»,wheellen[1],wheellen[2],wheellen[3],wheellen[4],wheellen[5] writetext(« »); printclear; writechar(58); goto done end found end offset; end inner loop; done: writecr; writetext(«Time: »); write(«ddddddd.dd»,clock count); writecr; exit: end; run< ANBQVWYFLAK2PJ48N5EU3EGGXVSACBGNZ54RSVW5RM5OFSM4R2W3LL5U95PCZDRUEUBPV2TYKG28WJXRPGCUJ NORTH99FIFTYFIVE99FORTY