Create 小学生算法题库

小学生算法题库

@@ -0,0 +1,144 @@
+# -*- coding: utf-8 -*-
+"""
+Created on Sun Sep 20 22:44:38 2020
+
+@author: Jun
+"""
+
+import random
+import profile
+
+#四则运算
+
+def xxsf():
+
+    sym = ['＋', '－', '×', '÷']
+
+    f= random.randint(0, 3)#用于随机出算法题
+
+    n1 = random.randint(1, 100)
+
+    n2 = random.randint(1, 100)
+
+    result = 0
+    yu = 0
+    flag = 0
+
+    if f== 0:#加法
+
+       result  = n1 + n2
+
+    elif f == 1:#减法，要先比较大小，防止输出负数
+
+        n1, n2 = max(n1, n2), min(n1, n2)
+
+        result  = n1 - n2
+
+    elif f== 2:#乘法
+
+        result  = n1 * n2
+
+    elif f == 3:#除法，要比较大小，并循环取整除
+
+        n1, n2 = max(n1, n2), min(n1, n2)
+
+        result  = int(n1 / n2)
+        yu = n1%n2
+        flag = 1
+
+    print(n1, sym[f], n2, '= ', end='')
+
+    return result,yu,flag
+
+
+
+#制作题库
+
+def test():
+    sym = ['＋', '－', '×', '÷']
+
+    print('输入所需要的题目数量')
+
+    n=int(input())
+
+    result =[]
+    yu = []
+    flag = []
+
+    m=0
+
+    while m<=(n-1):
+
+        print(m+1,end='、')
+        xxsf1 = xxsf()
+        result .append(xxsf1[0])
+        yu .append(xxsf1[1])
+        flag .append(xxsf1[2])
+
+        print(' ')
+
+        m=m+1
+
+    m=0
+
+    print('对应的答案：')
+
+    while m<=(n-1):
+        if flag[m] == 1:
+            print(m+1,'、',result [m],'   除法余数为：',yu [m])
+        else:
+            print(m+1,'、',result [m])
+
+        m=m+1
+
+
+profile.run('xxsf()')#对xxsf函数进行效能分析
+print('\n')
+profile.run('test()')#对test函数进行效能分析
+print('\n')
+
+print('选择想要的模式')
+
+print('1、进行四则运算')
+
+print('2、制作题库(可选择模式有：1与2)')
+
+n=int(input())
+
+#当输入1时，进行四则运算，调用函数xxsf()
+
+if n==1:
+
+    while True:
+        xxsf1 = xxsf()
+        result  = xxsf1[0]
+        yu  = xxsf1[1]
+        flag  = xxsf1[2]
+
+        j= input()
+        s= int(j)
+
+        if flag ==1:
+            x = input()
+            y = int(x)
+            if s== result and y== yu:
+
+                print('right')
+
+            else:
+
+                print('error.the answer is', result ,'   余数为：',yu)
+        elif flag != 1:
+            if s== result:
+
+                print('right')
+
+            else:
+
+                print('error.the answer is', result )
+
+#当输入2时，进行制作题库
+
+if n==2:
+
+     test()