11.29

成品/rsa_d.py

@@ -0,0 +1,12 @@
+import sympy
+
+p = 447685307
+q = 2037
+e = 17
+
+N = p * q
+phi_N = (p - 1) * (q - 1)
+
+d = sympy.mod_inverse(e, phi_N)
+
+print("私钥D =", d)

成品/uese.py

@@ -0,0 +1,9 @@
+# i_kei
+# 2021/1/10 14:02
+
+import re
+
+string = 'i was always Fond of visiting new scenes, and observing strange characters and manners. even when a mere chiLd i began my travels, and made mAny tours of discovery into foreiGn {parts and unknown regions of my native City, to the frequent alarm of my parents, and The emolument of the town-crier. as i grew into boyhood, i extended the range oF my obServations. my holiday afternoons were spent in rambles about tHe surrounding cOuntry. i made myself familiar With all its places famous in history or fable. i kNew every spot where a murder or robbery had been committed, or a ghost seen. i visited the neighboring villages, and added greatly to my stock of knowledge,By noting their habits and customs, and conversing with their sages and great men.}'
+
+result = ''.join(re.findall(r'[A-Z\{\}]',string))
+print(result)

成品/冒泡排序.py

@@ -0,0 +1,9 @@
+def bur_sre(arr):
+    n=len(arr)
+    for i in range(n-1):
+        for j in range(0,n-i-1):
+            if arr[j]>arr[j+1]:
+                arr[j],arr[j+1]=arr[j+1],arr[j]
+arr=[64,34,25,12,22,11,90]
+bur_sre(arr)
+print('冒泡排序',arr)

成品/快速排序.py

@@ -0,0 +1,11 @@
+def quick_1(arr):
+    if len(arr)<=1:
+        return arr
+    else:
+        pivot=arr[0]
+        less=[x for x in arr[1:]if x<=pivot]
+        greater=[x for x in arr[1:]if x>pivot]
+        return quick_1(less)+[pivot]+quick_1(greater)
+arr=[55,25,13,23,13]
+sorted_arr=quick_1(arr)
+print("快速排序",sorted_arr)

成品/换回二进制并去除后面多余的0.py

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+with open('bits_on_wire.txt', 'r') as r:
+    bits = r.read()
+bins = ''  # 存放转换后的bins
+for i in range(len(bits)):
+
+    if bits[0:2] == '10':
+        bins += '1'
+    else:
+        bins += '0'
+    bits = bits[2:]
+print(bins)
+print(len(bins))

成品/选择排序.py

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+def sel_1(arr):
+    n=len(arr)
+    for i in range(n):
+        min_index=1
+        for j in range(i+1,n):
+            if arr[j]<arr[min_index]:
+                min_index=j
+    arr[i],arr[min_index]=arr[min_index],arr[i]
+arr=[64,25,12,22,11]
+sel_1(arr)
+print('选择排序',arr)

杂项/uese.py

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+from PIL import Image
+MAX = 25
+#二维码大小
+pic = Image.new("RGB",(MAX, MAX))
+str = """0000000001110010000000000
+0000000000011110100000000
+0000000001110001000000000
+0000000010111100000000000
+0000000010101010000000000
+0000000001100010100000000
+0000000010101010100000000
+0000000001000001100000000
+1100011101110110100011000
+0001000010110010010010100
+0100111101000011101110011
+0011110100101011001001001
+1000001001100001001101000
+1111000111111011100101000
+1011011111001101111110111
+1000110110010010101101100
+1000111100111111111110111
+0000000010110001100010100
+0000000010010100101010001
+0000000010101010100011001
+0000000000100111111110010
+0000000000011001011110111
+0000000001001100100100001
+0000000011000011011011001
+0000000011010000101110101
+"""
+# str为获取的01片段
+i=0
+for y in range (0,MAX):
+    for x in range (0,MAX):
+        if(str[i] == '1'):
+            pic.putpixel([x,y],(0, 0, 0))
+        else:
+            pic.putpixel([x,y],(255,255,255))
+        i = i+1
+pic.show()
+pic.save("1.png")
+#由于直接预览分辨率太低，所以保存下来观看