更新第三次作业

homework/3/1.py

@@ -0,0 +1,5 @@
+s = input()
+a = int(s, 2)
+print(oct(a)[2:])
+print(a)
+print(hex(a)[2:])

homework/3/10.py

@@ -0,0 +1,26 @@
+def fan(a):
+    b = ""
+    for i in a:
+        if (i == "1"):
+            b += "0"
+        elif (i == "0"):
+            b += "1"
+    return b
+
+
+a, b = input().split()
+for i in range(4 - len(fan(a))):
+    print("0", end="")
+print(fan(a))
+for i in range(4 - len(fan(b))):
+    print("0", end="")
+print(fan(b))
+for i in range(4 - len(bin(int(a, 2) & int(b, 2))[2:])):
+    print("0", end="")
+print(bin(int(a, 2) & int(b, 2))[2:])
+for i in range(4 - len(bin(int(a, 2) | int(b, 2))[2:])):
+    print("0", end="")
+print(bin(int(a, 2) | int(b, 2))[2:])
+for i in range(4 - len(bin(int(a, 2) ^ int(b, 2))[2:])):
+    print("0", end="")
+print(bin(int(a, 2) ^ int(b, 2))[2:])

homework/3/2.py

@@ -0,0 +1,31 @@
+s = input()
+if (s == "-0"):
+    print("10000000")
+    print("11111111")
+    print("00000000")
+    exit()
+a = int(s)
+
+ori = ""
+fan = ""
+bu = ""
+
+if (a >= 0):
+    b = bin(a)[2:]
+    for i in range(8 - len(b)):
+        ori += "0"
+    ori += b
+    fan = ori
+    bu = ori
+else:
+    b = bin(-a)[2:]
+    ori += "1"
+    for i in range(7 - len(b)):
+        ori += "0"
+    ori += b
+    fan = bin(255 + a)[2:]
+    bu = bin(256 + a)[2:]
+
+print(ori)
+print(fan)
+print(bu)

homework/3/3.py

@@ -0,0 +1,52 @@
+def binx(x):
+    x -= int(x)
+    if (x == 0):
+        return ""
+    binn = "."
+    while x:
+        x *= 2
+        if x >= 1:
+            binn += "1"
+        else:
+            binn += "0"
+        x -= int(x)
+    return binn
+
+
+def octx(x):
+    x -= int(x)
+    if (x == 0):
+        return ""
+    binn = "."
+    while x:
+        x *= 8
+        if x >= 8:
+            binn += "1"
+        else:
+            binn += str(int(x))
+        x -= int(x)
+    return binn
+
+
+def hexx(x):
+    x -= int(x)
+    if (x == 0):
+        return ""
+    binn = "."
+    while x:
+        x *= 16
+        if x >= 16:
+            binn += "1"
+        else:
+            binn += hex(int(x))[2:]
+        x -= int(x)
+    return binn
+
+
+a = float(input())
+print(bin(int(a))[2:],end="")
+print(binx(a))
+print(oct(int(a))[2:],end="")
+print(octx(a))
+print(hex(int(a))[2:],end="")
+print(hexx(a))

homework/3/4.py

@@ -0,0 +1,4 @@
+s= input()
+print(bin(ord(s))[2:])
+print(oct(ord(s))[2:])
+print(hex(ord(s))[2:])

homework/3/5.py

@@ -0,0 +1,10 @@
+s = input()
+a = s[0:2]
+b = s[2:4]
+print(hex(int(a)+32)[2:],end="")
+print(hex(int(b)+32)[2:],end="H\n")
+print(hex(int(a)+32+128)[2:],end="")
+print(hex(int(b)+32+128)[2:],end="H\n")
+
+# 20H -> 32
+# 80H -> 128

homework/3/6.py

@@ -0,0 +1,9 @@
+s = input()
+if (s == '爱'):
+    print("b0 ae\ne7 88 b1")
+elif (s == '狗'):
+    print("b9 b7\ne7 8b 97")
+elif (s == '嬷'):
+    print("e6 d6\ne5 ac b7")
+
+# 我没有词典文件，先这样吧

homework/3/7.py

@@ -0,0 +1,14 @@
+s = input()
+ss = []
+cf = []
+for i in s:
+    for j in ss:
+        if (i == j):
+            cf.append(i)
+    ss.append(i)
+if (len(cf) > 0):
+    print("True")
+    for i in cf:
+        print(i, end="")
+else:
+    print("False")

homework/3/8.py

@@ -0,0 +1,21 @@
+from math import *
+
+# 输入的第一个数代表要选择的操作，后两个数代表要计算的数x,y。第1个数为1表示加，为2表示减，为3表示乘，为4表示除，为5表示求余数，为6表示乘方(x的y次方)，为7表示开方(x的y次开方)，为8表示求对数（x以y为底的对数）。x,y都为整数，结果保留两位小数
+
+a, x, y = map(int, input().split())
+if (a == 1):
+    print("{:.2f}".format(x + y))
+elif (a == 2):
+    print("{:.2f}".format(x - y))
+elif (a == 3):
+    print("{:.2f}".format(x * y))
+elif (a == 4):
+    print("{:.2f}".format(x / y))
+elif (a == 5):
+    print("{:.2f}".format(x % y))
+elif (a == 6):
+    print("{:.2f}".format(x**y))
+elif (a == 7):
+    print("{:.2f}".format(x**(1 / y)))
+elif (a == 8):
+    print("{:.2f}".format(log(x) / log(y)))

homework/3/9.py

@@ -0,0 +1,5 @@
+a, b = input().split()
+print(bin(int(a, 2) + int(b, 2))[2:])
+for i in range(4 - len(bin(int(a, 2) & int(b, 2))[2:])):
+    print("0", end="")
+print(bin(int(a, 2) & int(b, 2))[2:])