ksnctf(10)

Square Cipher 60点

大文字と小文字を判定してみていったところQRコードっぽくなったので、numpyを使ってきれいに出力。

import numpy as np
import matplotlib.pyplot as plt
a = "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"

data = []
add_data = []
for i in range (len(a)):
    if i%31==0 and i!=0:
        data.append(add_data)
        add_data = []
    add_data.append(1 if a[i].isupper() else 0)

np_data = np.array(data)
plt.imshow(np_data, cmap = 'gray', vmin = 0, vmax = 1)
plt.show()