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f3a27e4 · Apr 18, 2022

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crypto-InverseProblem2

InverseProblem2

题目描述

上次的flag居然泄露了,小Z这次加了随机数据来保护他的flag! The last flag was actually leaked, and Xiao Z added random data to protect his flag this time!

附件

problem.py

难度

Medium

flag

*CTF{Y0u_s01v3_m1xed_Integer_LS_pr0b1em}

分值

300

题目考点

反问题,最小二乘法

工具

sagemath