CISCN2021 little_evil

国赛题复现

分离出ruby脚本

题目给的是一个 ruby 解释器，由 ruby-packer 打包，binwalk -e 提取出 output.rb

混淆严重，但是大概可以知道前面定义了几个函数，后面那一串是在调用函数。最后那个函数的 send 执行了后面那个参数，可以用 print 打印出来。之后同样还有一层再执行 print 得到最后的程序

开头是$、@的是变量，改一下变量名，可以看出是 vm

print 出跳转的表

解 vm

vmcode='3351635164300000000540000000003164073000000540000003164070070000071730000000541111111131641175160343516445163530440316354031643451634235163516000000054000000000003164344354131645335163435164444516333530444403331635403164344451665163423516351600000054000000000316413443541316453351634351644445163335304444033316354031643444516651634235163516000000005400000000000316403443541316453351634351644445163335304444033316354031643444516651634235163516000000005400000000000031640344354131645335163435164444516333530444403331635403164344451665163423516351600000540000000000031643443541316453351634351644445163335304444033316354031643444516651635164453030441633544033164533516351643000000005400000000003164171111744516644'
index=0
import re
jumptable=[0]*709
pattern = re.compile(r'\d+')
raw="2=>4, 6=>8, 19=>32, 43=>53, 76=>88, 93=>95, 100=>102, 105=>107, 109=>117, 119=>124, 128=>130, 135=>137, 139=>141, 149=>164, 170=>175, 180=>182, 186=>188, 193=>195, 199=>211, 213=>218, 224=>226, 177=>227, 228=>230, 235=>237, 239=>241, 248=>261, 268=>273, 278=>280, 284=>286, 291=>293, 297=>309, 311=>316, 322=>324, 275=>325, 326=>328, 333=>335, 337=>339, 348=>363, 370=>375, 380=>382, 386=>388, 393=>395, 399=>411, 413=>418, 424=>426, 377=>427, 428=>430, 435=>437, 439=>441, 450=>466, 473=>478, 483=>485, 489=>491, 496=>498, 502=>514, 516=>521, 527=>529, 480=>530, 531=>533, 538=>540, 542=>544, 550=>565, 571=>576, 581=>583, 587=>589, 594=>596, 600=>612, 614=>619, 625=>627, 578=>628, 629=>631, 633=>635, 638=>646, 649=>656, 661=>663, 665=>667, 678=>692, 703=>705, 658=>706, 4=>2, 8=>6, 32=>19, 53=>43, 88=>76, 95=>93, 102=>100, 107=>105, 117=>109, 124=>119, 130=>128, 137=>135, 141=>139, 164=>149, 175=>170, 182=>180, 188=>186, 195=>193, 211=>199, 218=>213, 226=>224, 227=>177, 230=>228, 237=>235, 241=>239, 261=>248, 273=>268, 280=>278, 286=>284, 293=>291, 309=>297, 316=>311, 324=>322, 325=>275, 328=>326, 335=>333, 339=>337, 363=>348, 375=>370, 382=>380, 388=>386, 395=>393, 411=>399, 418=>413, 426=>424, 427=>377, 430=>428, 437=>435, 441=>439, 466=>450, 478=>473, 485=>483, 491=>489, 498=>496, 514=>502, 521=>516, 529=>527, 530=>480, 533=>531, 540=>538, 544=>542, 565=>550, 576=>571, 583=>581, 589=>587, 596=>594, 612=>600, 619=>614, 627=>625, 628=>578, 631=>629, 635=>633, 646=>638, 656=>649, 663=>661, 667=>665, 692=>678, 705=>703, 706=>658"
m=pattern.findall(raw)
#print(m)
for i in range(0,len(m)//2):
    jumptable[int(m[2*i])] = int(m[2*i+1])
#print(jumptable)
inputindex=0

for index in range(0,709):
    print(str(index)+": ",end='')
    if vmcode[index]=='0':
        print("inputchar+=1   ",end='')
        print(inputindex)
    elif vmcode[index]=='1':
        print("inputchar-=1   ",end='')
        print(inputindex)
    elif vmcode[index]=='2':
        print("input  ",end='')
        print(inputindex)
    elif vmcode[index]=='3':
        print("inputchar index +1   ",end='')
        inputindex+=1
        print(inputindex)
    elif vmcode[index]=='4':
        print("inputchar index -1   ",end='')
        inputindex-=1
        print(inputindex)
    elif vmcode[index]=='5':
        print("if inputchar == 0 jump "+ str(jumptable[index]+1)+'  ',end='')
        print(inputindex)
    elif vmcode[index]=='6':
        print("if inputchar != 0 jump "+ str(jumptable[index]+1)+'  ',end='')
        print(inputindex)

'''
0: inputchar index +1   1
1: inputchar index +1   2
2: if inputchar == 0 jump 5  2
3: inputchar-=1   2
4: if inputchar != 0 jump 3  2
5: inputchar index +1   3
6: if inputchar == 0 jump 9  3
7: inputchar-=1   3
8: if inputchar != 0 jump 7  3
9: inputchar index -1   2
10: inputchar index +1   3
11: inputchar+=1   3
12: inputchar+=1   3
13: inputchar+=1   3
14: inputchar+=1   3
15: inputchar+=1   3
16: inputchar+=1   3
17: inputchar+=1   3
18: inputchar+=1   3
19: if inputchar == 0 jump 33  3
20: inputchar index -1   2
21: inputchar+=1   2
22: inputchar+=1   2
23: inputchar+=1   2
24: inputchar+=1   2
25: inputchar+=1   2
26: inputchar+=1   2
27: inputchar+=1   2
28: inputchar+=1   2
29: inputchar+=1   2
30: inputchar index +1   3
31: inputchar-=1   3
32: if inputchar != 0 jump 20  3
33: inputchar index -1   2
34: inputchar+=1   2
35: 36: inputchar index +1   3
37: inputchar+=1   3
38: inputchar+=1   3
39: inputchar+=1   3
40: inputchar+=1   3
41: inputchar+=1   3
42: inputchar+=1   3
43: if inputchar == 0 jump 54  3
44: inputchar index -1   2
45: inputchar+=1   2
46: inputchar+=1   2
47: inputchar+=1   2
48: inputchar+=1   2
49: inputchar+=1   2
50: inputchar+=1   2
51: inputchar index +1   3
52: inputchar-=1   3
53: if inputchar != 0 jump 44  3
54: inputchar index -1   2
55: inputchar+=1   2
56: 57: inputchar+=1   2
58: inputchar+=1   2
59: 60: inputchar+=1   2
61: inputchar+=1   2
62: inputchar+=1   2
63: inputchar+=1   2
64: inputchar+=1   2
65: 66: inputchar-=1   2
67: 68: inputchar index +1   3
69: inputchar+=1   3
70: inputchar+=1   3
71: inputchar+=1   3
72: inputchar+=1   3
73: inputchar+=1   3
74: inputchar+=1   3
75: inputchar+=1   3
76: if inputchar == 0 jump 89  3
77: inputchar index -1   2
78: inputchar-=1   2
79: inputchar-=1   2
80: inputchar-=1   2
81: inputchar-=1   2
82: inputchar-=1   2
83: inputchar-=1   2
84: inputchar-=1   2
85: inputchar-=1   2
86: inputchar index +1   3
87: inputchar-=1   3
88: if inputchar != 0 jump 77  3
89: inputchar index -1   2
90: inputchar-=1   2
91: inputchar-=1   2
92: 93: if inputchar == 0 jump 96  2
94: inputchar-=1   2
95: if inputchar != 0 jump 94  2
96: inputchar+=1   2
97: inputchar index +1   3
98: inputchar index -1   2
99: inputchar index +1   3
100: if inputchar == 0 jump 103  3
101: inputchar-=1   3
102: if inputchar != 0 jump 101  3
103: inputchar index -1   2
104: inputchar index -1   1
105: if inputchar == 0 jump 108  1
106: inputchar-=1   1
107: if inputchar != 0 jump 106  1
108: inputchar index +1   2
109: if inputchar == 0 jump 118  2
110: inputchar index +1   3
111: inputchar+=1   3
112: inputchar index -1   2
113: inputchar index -1   1
114: inputchar+=1   1
115: inputchar index +1   2
116: inputchar-=1   2
117: if inputchar != 0 jump 110  2
118: inputchar index +1   3
119: if inputchar == 0 jump 125  3
120: inputchar index -1   2
121: inputchar+=1   2
122: inputchar index +1   3
123: inputchar-=1   3
124: if inputchar != 0 jump 120  3
125: inputchar index -1   2
126: inputchar index +1   3
127: inputchar index -1   2
128: if inputchar == 0 jump 131  2
129: inputchar-=1   2
130: if inputchar != 0 jump 129  2
131: inputchar index +1   3
132: inputchar index -1   2
133: input  2
134: inputchar index +1   3
135: if inputchar == 0 jump 138  3
136: inputchar-=1   3
137: if inputchar != 0 jump 136  3
138: inputchar index +1   4
139: if inputchar == 0 jump 142  4
140: inputchar-=1   4
141: if inputchar != 0 jump 140  4
142: inputchar+=1   4
143: inputchar+=1   4
144: inputchar+=1   4
145: inputchar+=1   4
146: inputchar+=1   4
147: inputchar+=1   4
148: inputchar+=1   4
149: if inputchar == 0 jump 165  4
150: inputchar index -1   3
151: inputchar+=1   3
152: inputchar+=1   3
153: inputchar+=1   3
154: inputchar+=1   3
155: inputchar+=1   3
156: inputchar+=1   3
157: inputchar+=1   3
158: inputchar+=1   3
159: inputchar+=1   3
160: inputchar+=1   3
161: inputchar+=1   3
162: inputchar index +1   4
163: inputchar-=1   4
164: if inputchar != 0 jump 150  4
165: inputchar index -1   3
166: inputchar index +1   4
167: inputchar index -1   3
168: inputchar index -1   2
169: inputchar index +1   3
170: if inputchar == 0 jump 176  3
171: inputchar index -1   2
172: inputchar-=1   2
173: inputchar index +1   3
174: inputchar-=1   3
175: if inputchar != 0 jump 171  3
176: inputchar index -1   2
177: if inputchar == 0 jump 228  2
178: inputchar index +1   3
179: inputchar index +1   4
180: if inputchar == 0 jump 183  4
181: inputchar-=1   4
182: if inputchar != 0 jump 181  4
183: inputchar index +1   5
184: inputchar index -1   4
185: inputchar index +1   5
186: if inputchar == 0 jump 189  5
187: inputchar-=1   5
188: if inputchar != 0 jump 187  5
189: inputchar index -1   4
190: inputchar index -1   3
191: inputchar index -1   2
192: inputchar index -1   1
193: if inputchar == 0 jump 196  1
194: inputchar-=1   1
195: if inputchar != 0 jump 194  1
196: inputchar index +1   2
197: inputchar index +1   3
198: inputchar index +1   4
199: if inputchar == 0 jump 212  4
200: inputchar index +1   5
201: inputchar+=1   5
202: inputchar index -1   4
203: inputchar index -1   3
204: inputchar index -1   2
205: inputchar index -1   1
206: inputchar+=1   1
207: inputchar index +1   2
208: inputchar index +1   3
209: inputchar index +1   4
210: inputchar-=1   4
211: if inputchar != 0 jump 200  4
212: inputchar index +1   5
213: if inputchar == 0 jump 219  5
214: inputchar index -1   4
215: inputchar+=1   4
216: inputchar index +1   5
217: inputchar-=1   5
218: if inputchar != 0 jump 214  5
219: inputchar index -1   4
220: inputchar index +1   5
221: inputchar index -1   4
222: inputchar index -1   3
223: inputchar index -1   2
224: if inputchar == 0 jump 227  2
225: inputchar-=1   2
226: if inputchar != 0 jump 225  2
227: if inputchar != 0 jump 178  2
228: if inputchar == 0 jump 231  2
229: inputchar-=1   2
230: if inputchar != 0 jump 229  2
231: inputchar index +1   3
232: inputchar index -1   2
233: input  2
234: inputchar index +1   3
235: if inputchar == 0 jump 238  3
236: inputchar-=1   3
237: if inputchar != 0 jump 236  3
238: inputchar index +1   4
239: if inputchar == 0 jump 242  4
240: inputchar-=1   4
241: if inputchar != 0 jump 240  4
242: inputchar+=1   4
243: inputchar+=1   4
244: inputchar+=1   4
245: inputchar+=1   4
246: inputchar+=1   4
247: inputchar+=1   4
248: if inputchar == 0 jump 262  4
249: inputchar index -1   3
250: inputchar+=1   3
251: inputchar+=1   3
252: inputchar+=1   3
253: inputchar+=1   3
254: inputchar+=1   3
255: inputchar+=1   3
256: inputchar+=1   3
257: inputchar+=1   3
258: inputchar+=1   3
259: inputchar index +1   4
260: inputchar-=1   4
261: if inputchar != 0 jump 249  4
262: inputchar index -1   3
263: inputchar-=1   3
264: inputchar index +1   4
265: inputchar index -1   3
266: inputchar index -1   2
267: inputchar index +1   3
268: if inputchar == 0 jump 274  3
269: inputchar index -1   2
270: inputchar-=1   2
271: inputchar index +1   3
272: inputchar-=1   3
273: if inputchar != 0 jump 269  3
274: inputchar index -1   2
275: if inputchar == 0 jump 326  2
276: inputchar index +1   3
277: inputchar index +1   4
278: if inputchar == 0 jump 281  4
279: inputchar-=1   4
280: if inputchar != 0 jump 279  4
281: inputchar index +1   5
282: inputchar index -1   4
283: inputchar index +1   5
284: if inputchar == 0 jump 287  5
285: inputchar-=1   5
286: if inputchar != 0 jump 285  5
287: inputchar index -1   4
288: inputchar index -1   3
289: inputchar index -1   2
290: inputchar index -1   1
291: if inputchar == 0 jump 294  1
292: inputchar-=1   1
293: if inputchar != 0 jump 292  1
294: inputchar index +1   2
295: inputchar index +1   3
296: inputchar index +1   4
297: if inputchar == 0 jump 310  4
298: inputchar index +1   5
299: inputchar+=1   5
300: inputchar index -1   4
301: inputchar index -1   3
302: inputchar index -1   2
303: inputchar index -1   1
304: inputchar+=1   1
305: inputchar index +1   2
306: inputchar index +1   3
307: inputchar index +1   4
308: inputchar-=1   4
309: if inputchar != 0 jump 298  4
310: inputchar index +1   5
311: if inputchar == 0 jump 317  5
312: inputchar index -1   4
313: inputchar+=1   4
314: inputchar index +1   5
315: inputchar-=1   5
316: if inputchar != 0 jump 312  5
317: inputchar index -1   4
318: inputchar index +1   5
319: inputchar index -1   4
320: inputchar index -1   3
321: inputchar index -1   2
322: if inputchar == 0 jump 325  2
323: inputchar-=1   2
324: if inputchar != 0 jump 323  2
325: if inputchar != 0 jump 276  2
326: if inputchar == 0 jump 329  2
327: inputchar-=1   2
328: if inputchar != 0 jump 327  2
329: inputchar index +1   3
330: inputchar index -1   2
331: input  2
332: inputchar index +1   3
333: if inputchar == 0 jump 336  3
334: inputchar-=1   3
335: if inputchar != 0 jump 334  3
336: inputchar index +1   4
337: if inputchar == 0 jump 340  4
338: inputchar-=1   4
339: if inputchar != 0 jump 338  4
340: inputchar+=1   4
341: inputchar+=1   4
342: inputchar+=1   4
343: inputchar+=1   4
344: inputchar+=1   4
345: inputchar+=1   4
346: inputchar+=1   4
347: inputchar+=1   4
348: if inputchar == 0 jump 364  4
349: inputchar index -1   3
350: inputchar+=1   3
351: inputchar+=1   3
352: inputchar+=1   3
353: inputchar+=1   3
354: inputchar+=1   3
355: inputchar+=1   3
356: inputchar+=1   3
357: inputchar+=1   3
358: inputchar+=1   3
359: inputchar+=1   3
360: inputchar+=1   3
361: inputchar index +1   4
362: inputchar-=1   4
363: if inputchar != 0 jump 349  4
364: inputchar index -1   3
365: inputchar+=1   3
366: inputchar index +1   4
367: inputchar index -1   3
368: inputchar index -1   2
369: inputchar index +1   3
370: if inputchar == 0 jump 376  3
371: inputchar index -1   2
372: inputchar-=1   2
373: inputchar index +1   3
374: inputchar-=1   3
375: if inputchar != 0 jump 371  3
376: inputchar index -1   2
377: if inputchar == 0 jump 428  2
378: inputchar index +1   3
379: inputchar index +1   4
380: if inputchar == 0 jump 383  4
381: inputchar-=1   4
382: if inputchar != 0 jump 381  4
383: inputchar index +1   5
384: inputchar index -1   4
385: inputchar index +1   5
386: if inputchar == 0 jump 389  5
387: inputchar-=1   5
388: if inputchar != 0 jump 387  5
389: inputchar index -1   4
390: inputchar index -1   3
391: inputchar index -1   2
392: inputchar index -1   1
393: if inputchar == 0 jump 396  1
394: inputchar-=1   1
395: if inputchar != 0 jump 394  1
396: inputchar index +1   2
397: inputchar index +1   3
398: inputchar index +1   4
399: if inputchar == 0 jump 412  4
400: inputchar index +1   5
401: inputchar+=1   5
402: inputchar index -1   4
403: inputchar index -1   3
404: inputchar index -1   2
405: inputchar index -1   1
406: inputchar+=1   1
407: inputchar index +1   2
408: inputchar index +1   3
409: inputchar index +1   4
410: inputchar-=1   4
411: if inputchar != 0 jump 400  4
412: inputchar index +1   5
413: if inputchar == 0 jump 419  5
414: inputchar index -1   4
415: inputchar+=1   4
416: inputchar index +1   5
417: inputchar-=1   5
418: if inputchar != 0 jump 414  5
419: inputchar index -1   4
420: inputchar index +1   5
421: inputchar index -1   4
422: inputchar index -1   3
423: inputchar index -1   2
424: if inputchar == 0 jump 427  2
425: inputchar-=1   2
426: if inputchar != 0 jump 425  2
427: if inputchar != 0 jump 378  2
428: if inputchar == 0 jump 431  2
429: inputchar-=1   2
430: if inputchar != 0 jump 429  2
431: inputchar index +1   3
432: inputchar index -1   2
433: input  2
434: inputchar index +1   3
435: if inputchar == 0 jump 438  3
436: inputchar-=1   3
437: if inputchar != 0 jump 436  3
438: inputchar index +1   4
439: if inputchar == 0 jump 442  4
440: inputchar-=1   4
441: if inputchar != 0 jump 440  4
442: inputchar+=1   4
443: inputchar+=1   4
444: inputchar+=1   4
445: inputchar+=1   4
446: inputchar+=1   4
447: inputchar+=1   4
448: inputchar+=1   4
449: inputchar+=1   4
450: if inputchar == 0 jump 467  4
451: inputchar index -1   3
452: inputchar+=1   3
453: inputchar+=1   3
454: inputchar+=1   3
455: inputchar+=1   3
456: inputchar+=1   3
457: inputchar+=1   3
458: inputchar+=1   3
459: inputchar+=1   3
460: inputchar+=1   3
461: inputchar+=1   3
462: inputchar+=1   3
463: inputchar+=1   3
464: inputchar index +1   4
465: inputchar-=1   4
466: if inputchar != 0 jump 451  4
467: inputchar index -1   3
468: inputchar+=1   3
469: inputchar index +1   4
470: inputchar index -1   3
471: inputchar index -1   2
472: inputchar index +1   3
473: if inputchar == 0 jump 479  3
474: inputchar index -1   2
475: inputchar-=1   2
476: inputchar index +1   3
477: inputchar-=1   3
478: if inputchar != 0 jump 474  3
479: inputchar index -1   2
480: if inputchar == 0 jump 531  2
481: inputchar index +1   3
482: inputchar index +1   4
483: if inputchar == 0 jump 486  4
484: inputchar-=1   4
485: if inputchar != 0 jump 484  4
486: inputchar index +1   5
487: inputchar index -1   4
488: inputchar index +1   5
489: if inputchar == 0 jump 492  5
490: inputchar-=1   5
491: if inputchar != 0 jump 490  5
492: inputchar index -1   4
493: inputchar index -1   3
494: inputchar index -1   2
495: inputchar index -1   1
496: if inputchar == 0 jump 499  1
497: inputchar-=1   1
498: if inputchar != 0 jump 497  1
499: inputchar index +1   2
500: inputchar index +1   3
501: inputchar index +1   4
502: if inputchar == 0 jump 515  4
503: inputchar index +1   5
504: inputchar+=1   5
505: inputchar index -1   4
506: inputchar index -1   3
507: inputchar index -1   2
508: inputchar index -1   1
509: inputchar+=1   1
510: inputchar index +1   2
511: inputchar index +1   3
512: inputchar index +1   4
513: inputchar-=1   4
514: if inputchar != 0 jump 503  4
515: inputchar index +1   5
516: if inputchar == 0 jump 522  5
517: inputchar index -1   4
518: inputchar+=1   4
519: inputchar index +1   5
520: inputchar-=1   5
521: if inputchar != 0 jump 517  5
522: inputchar index -1   4
523: inputchar index +1   5
524: inputchar index -1   4
525: inputchar index -1   3
526: inputchar index -1   2
527: if inputchar == 0 jump 530  2
528: inputchar-=1   2
529: if inputchar != 0 jump 528  2
530: if inputchar != 0 jump 481  2
531: if inputchar == 0 jump 534  2
532: inputchar-=1   2
533: if inputchar != 0 jump 532  2
534: inputchar index +1   3
535: inputchar index -1   2
536: input  2
537: inputchar index +1   3
538: if inputchar == 0 jump 541  3
539: inputchar-=1   3
540: if inputchar != 0 jump 539  3
541: inputchar index +1   4
542: if inputchar == 0 jump 545  4
543: inputchar-=1   4
544: if inputchar != 0 jump 543  4
545: inputchar+=1   4
546: inputchar+=1   4
547: inputchar+=1   4
548: inputchar+=1   4
549: inputchar+=1   4
550: if inputchar == 0 jump 566  4
551: inputchar index -1   3
552: inputchar+=1   3
553: inputchar+=1   3
554: inputchar+=1   3
555: inputchar+=1   3
556: inputchar+=1   3
557: inputchar+=1   3
558: inputchar+=1   3
559: inputchar+=1   3
560: inputchar+=1   3
561: inputchar+=1   3
562: inputchar+=1   3
563: inputchar index +1   4
564: inputchar-=1   4
565: if inputchar != 0 jump 551  4
566: inputchar index -1   3
567: inputchar index +1   4
568: inputchar index -1   3
569: inputchar index -1   2
570: inputchar index +1   3
571: if inputchar == 0 jump 577  3
572: inputchar index -1   2
573: inputchar-=1   2
574: inputchar index +1   3
575: inputchar-=1   3
576: if inputchar != 0 jump 572  3
577: inputchar index -1   2
578: if inputchar == 0 jump 629  2
579: inputchar index +1   3
580: inputchar index +1   4
581: if inputchar == 0 jump 584  4
582: inputchar-=1   4
583: if inputchar != 0 jump 582  4
584: inputchar index +1   5
585: inputchar index -1   4
586: inputchar index +1   5
587: if inputchar == 0 jump 590  5
588: inputchar-=1   5
589: if inputchar != 0 jump 588  5
590: inputchar index -1   4
591: inputchar index -1   3
592: inputchar index -1   2
593: inputchar index -1   1
594: if inputchar == 0 jump 597  1
595: inputchar-=1   1
596: if inputchar != 0 jump 595  1
597: inputchar index +1   2
598: inputchar index +1   3
599: inputchar index +1   4
600: if inputchar == 0 jump 613  4
601: inputchar index +1   5
602: inputchar+=1   5
603: inputchar index -1   4
604: inputchar index -1   3
605: inputchar index -1   2
606: inputchar index -1   1
607: inputchar+=1   1
608: inputchar index +1   2
609: inputchar index +1   3
610: inputchar index +1   4
611: inputchar-=1   4
612: if inputchar != 0 jump 601  4
613: inputchar index +1   5
614: if inputchar == 0 jump 620  5
615: inputchar index -1   4
616: inputchar+=1   4
617: inputchar index +1   5
618: inputchar-=1   5
619: if inputchar != 0 jump 615  5
620: inputchar index -1   4
621: inputchar index +1   5
622: inputchar index -1   4
623: inputchar index -1   3
624: inputchar index -1   2
625: if inputchar == 0 jump 628  2
626: inputchar-=1   2
627: if inputchar != 0 jump 626  2
628: if inputchar != 0 jump 579  2
629: if inputchar == 0 jump 632  2
630: inputchar-=1   2
631: if inputchar != 0 jump 630  2
632: inputchar index +1   3
633: if inputchar == 0 jump 636  3
634: inputchar-=1   3
635: if inputchar != 0 jump 634  3
636: inputchar index -1   2
637: inputchar index -1   1
638: if inputchar == 0 jump 647  1
639: inputchar index +1   2
640: inputchar+=1   2
641: inputchar index +1   3
642: inputchar+=1   3
643: inputchar index -1   2
644: inputchar index -1   1
645: inputchar-=1   1
646: if inputchar != 0 jump 639  1
647: inputchar index +1   2
648: inputchar index +1   3
649: if inputchar == 0 jump 657  3
650: inputchar index -1   2
651: inputchar index -1   1
652: inputchar+=1   1
653: inputchar index +1   2
654: inputchar index +1   3
655: inputchar-=1   3
656: if inputchar != 0 jump 650  3
657: inputchar index -1   2
658: if inputchar == 0 jump 707  2
659: inputchar index +1   3
660: inputchar index +1   4
661: if inputchar == 0 jump 664  4
662: inputchar-=1   4
663: if inputchar != 0 jump 662  4
664: inputchar index +1   5
665: if inputchar == 0 jump 668  5
666: inputchar-=1   5
667: if inputchar != 0 jump 666  5
668: inputchar index -1   4
669: inputchar index +1   5
670: inputchar+=1   5
671: inputchar+=1   5
672: inputchar+=1   5
673: inputchar+=1   5
674: inputchar+=1   5
675: inputchar+=1   5
676: inputchar+=1   5
677: inputchar+=1   5
678: if inputchar == 0 jump 693  5
679: inputchar index -1   4
680: inputchar+=1   4
681: inputchar+=1   4
682: inputchar+=1   4
683: inputchar+=1   4
684: inputchar+=1   4
685: inputchar+=1   4
686: inputchar+=1   4
687: inputchar+=1   4
688: inputchar+=1   4
689: inputchar+=1   4
690: inputchar index +1   5
691: inputchar-=1   5
692: if inputchar != 0 jump 679  5
693: inputchar index -1   4
694: inputchar-=1   4
695: 696: inputchar-=1   4
697: inputchar-=1   4
698: inputchar-=1   4
699: inputchar-=1   4
700: 701: inputchar index -1   3
702: inputchar index -1   2
703: if inputchar == 0 jump 706  2
704: inputchar-=1   2
705: if inputchar != 0 jump 704  2
706: if inputchar != 0 jump 659  2
707: inputchar index -1   1
708: inputchar index -1   0
'''

每次输入放入 2 位置，与 3、4位置的计算结果比较