From 3e07677d69a640f5177a120c87767c79deb172ae Mon Sep 17 00:00:00 2001
From: Luthics <luthics@foxmail.com>
Date: Thu, 20 Oct 2022 20:59:33 +0800
Subject: [PATCH] =?UTF-8?q?=E5=90=8C=E6=AD=A5=E4=B9=8B=E5=89=8D=E5=86=99?=
 =?UTF-8?q?=E5=A5=BD=E7=9A=84=E7=A8=8B=E5=BA=8F?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 homework/1/t1.py              |  5 +++++
 homework/1/t10.py             |  6 ++++++
 homework/1/t2.py              | 11 +++++++++++
 homework/1/t3.py              |  7 +++++++
 homework/1/t4.py              |  5 +++++
 homework/1/t5.py              |  5 +++++
 homework/1/t6.py              |  2 ++
 homework/1/t7.py              | 10 ++++++++++
 homework/1/t8.py              |  3 +++
 homework/1/t9.py              | 10 ++++++++++
 大学计算机作业50题目 |  1 +
 11 files changed, 65 insertions(+)
 create mode 100644 homework/1/t1.py
 create mode 100644 homework/1/t10.py
 create mode 100644 homework/1/t2.py
 create mode 100644 homework/1/t3.py
 create mode 100644 homework/1/t4.py
 create mode 100644 homework/1/t5.py
 create mode 100644 homework/1/t6.py
 create mode 100644 homework/1/t7.py
 create mode 100644 homework/1/t8.py
 create mode 100644 homework/1/t9.py
 create mode 160000 大学计算机作业50题目

diff --git a/homework/1/t1.py b/homework/1/t1.py
new file mode 100644
index 0000000..dcbc772
--- /dev/null
+++ b/homework/1/t1.py
@@ -0,0 +1,5 @@
+x = float(input("清输入 x： "))
+if (x < 1):
+    print((x+1)**2)            # x < 1
+else:
+    print(4-(x-1)**0.5)        # x >= 1
diff --git a/homework/1/t10.py b/homework/1/t10.py
new file mode 100644
index 0000000..f0d4489
--- /dev/null
+++ b/homework/1/t10.py
@@ -0,0 +1,6 @@
+from math import *
+
+a=[[0]*4]*4
+for i in range(4):
+    a[i]=list(map(float,input().split()))
+print (a)
\ No newline at end of file
diff --git a/homework/1/t2.py b/homework/1/t2.py
new file mode 100644
index 0000000..90f0f51
--- /dev/null
+++ b/homework/1/t2.py
@@ -0,0 +1,11 @@
+n = int(input("请输入向量维数： "))
+a = []
+b = []
+ans = 0
+for i in range(n):
+    a.append(float(input("请输入第一个向量的 第"+str(i+1)+"个坐标： ")))
+for i in range(n):
+    b.append(float(input("请输入第二个向量的 第"+str(i+1)+"个坐标： ")))
+for i in range(n):
+    ans += a[i]*b[i]
+print(ans)
\ No newline at end of file
diff --git a/homework/1/t3.py b/homework/1/t3.py
new file mode 100644
index 0000000..f0ecb74
--- /dev/null
+++ b/homework/1/t3.py
@@ -0,0 +1,7 @@
+n = int(input("请输入想要计算的 n ： "))
+ans = 0                                             # 储存答案
+to_mul = 1                                          # 计算阶乘的中间量，会储存 (n-1)!
+for i in range(n):
+    to_mul *= (i+1)
+    ans += to_mul
+print(ans)
diff --git a/homework/1/t4.py b/homework/1/t4.py
new file mode 100644
index 0000000..24e900e
--- /dev/null
+++ b/homework/1/t4.py
@@ -0,0 +1,5 @@
+n = int(input("请输入想要计算的 n ： "))
+ans = 0                                             # 储存答案
+for i in range(n):
+    ans += 1/(i+1)**2
+print(ans)
diff --git a/homework/1/t5.py b/homework/1/t5.py
new file mode 100644
index 0000000..af49e23
--- /dev/null
+++ b/homework/1/t5.py
@@ -0,0 +1,5 @@
+n = int(input("请输入想要计算的 n ： "))
+ans = 1                                             # 储存答案
+for i in range(n):
+    ans *= 2*(i+1)*2*(i+1)/(2*i+1)/(2*i+3)          # 根据公式计算
+print(ans*2)
diff --git a/homework/1/t6.py b/homework/1/t6.py
new file mode 100644
index 0000000..91d7d6e
--- /dev/null
+++ b/homework/1/t6.py
@@ -0,0 +1,2 @@
+s = input("请输入待转换的字符串： ")
+print(s.swapcase())                 # 使用 swapcase 函数达到大小写互换的效果
diff --git a/homework/1/t7.py b/homework/1/t7.py
new file mode 100644
index 0000000..8425250
--- /dev/null
+++ b/homework/1/t7.py
@@ -0,0 +1,10 @@
+a = [9, 34, 7, 26, 20, 16, 24, 149, 40, 41]
+k = int(input("请输入想要查找的数字： "))
+find = 0
+for i in range(len(a)):
+    if (a[i] == k):
+        print("找到啦，你找的数是 a 中第 "+str(i)+" 个数")        # 如果找到了
+        find = 1
+        break
+if (find == 0):                                                 # 如果没找到
+    print("没找到你要的数字")
diff --git a/homework/1/t8.py b/homework/1/t8.py
new file mode 100644
index 0000000..7942ed5
--- /dev/null
+++ b/homework/1/t8.py
@@ -0,0 +1,3 @@
+a = [1, 2, 3, 4, 5, 6]
+x = int(input("请输入想要计算的 x : "))
+print(str(a[5]*x**5+a[4]*x**4+a[3]*x**3+a[2]*x**2+a[1]*x+a[0]))      #输出多项式
diff --git a/homework/1/t9.py b/homework/1/t9.py
new file mode 100644
index 0000000..d486f7b
--- /dev/null
+++ b/homework/1/t9.py
@@ -0,0 +1,10 @@
+n = int(input("请输入想要计算的 n : "))        # 输入 n
+if (n < 0):                                   # 如果 n < 0
+    print("-", end="")                        # 先输出一个负号
+    n = -n                                    # 再把 n 变成正的
+elif (n == 0):                                # 如果 n = 0
+    print(0)                                  # 直接输出 0 就可以
+while (n > 0):                                # 实现逆序输出
+    print(n % 10, end="")                     # 每次输出 n 的最后一位
+    n /= 10                                   # 不断舍弃 n 的最后一位
+    n = int(n)                                # 解决浮点偏差
diff --git a/大学计算机作业50题目 b/大学计算机作业50题目
new file mode 160000
index 0000000..8de7205
--- /dev/null
+++ b/大学计算机作业50题目
@@ -0,0 +1 @@
+Subproject commit 8de720524f2ffb84e159542109cf4a0e5a3617c4