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2 changes: 1 addition & 1 deletion buckeyectf2025/squarecipher/square_cipher
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
#!/usr/bin/exec-suid -- /usr/bin/python3
(lambda x=int(input('> '),16):(all((int(bin(y).translate(str.maketrans('1b','fx')),0)&x).bit_count()==15 for y in[511,261632,1838599,14708792,117670336,133955584,68585259008,35115652612096,246772580483072,1974180643864576,15793445150916608,17979214137393152,9205357638345293824,4713143110832790437888,4731607904558235517441,9463215809116471034882,18926431618232942069764,33121255085135066300416,37852863236465884139528,75705726472931768279056,151411452945863536558112,264970040681080530403328,302822905891727073116224,605645811783454146232448,1211291623566908292464896,2119760325448644243226624,2413129272746388704198656])and x&2135465562637171390290201561322170738230609084732268110734985633502584038857972308065155558608880==1271371190459412480076309932821732439054921890752535035282222258816851982409101952239053178406432 or print('incorrect'))and print(open("/flag", "r").read().strip()))()
(lambda x=int(input('> '),16):(all(bin(int(bin(y).translate(str.maketrans('1b','fx')),0)&x).count('1')==15 for y in[511,261632,1838599,14708792,117670336,133955584,68585259008,35115652612096,246772580483072,1974180643864576,15793445150916608,17979214137393152,9205357638345293824,4713143110832790437888,4731607904558235517441,9463215809116471034882,18926431618232942069764,33121255085135066300416,37852863236465884139528,75705726472931768279056,151411452945863536558112,264970040681080530403328,302822905891727073116224,605645811783454146232448,1211291623566908292464896,2119760325448644243226624,2413129272746388704198656])and x&2135465562637171390290201561322170738230609084732268110734985633502584038857972308065155558608880==1271371190459412480076309932821732439054921890752535035282222258816851982409101952239053178406432 or print('incorrect'))and print(open("/flag", "r").read().strip()))()