Signed-off-by: sairate <sairate@sina.cn>

斐波那契数列.py

@@ -1,16 +1,17 @@
-# 1 1 2 3 5
-list=[]
-for i in range(100000):
-    list.append(0)
+# 1 1 2 3 5 8 13
 def feibo(n):
     if n==1 or n==2:
         return 1
     if list[n]!=0:
         return list[n]
     else:
-        a=feibo(n-1)+feibo(n-2)
+        a=(feibo(n-1)+feibo(n-2))%(1000000007)
         list[n]=a
         return a
+
 n=int(input())
+
+list=[0]*(n+1)
+
 b=feibo(n)
-print(b%(10**9+7))
+print(b)

斐波那契数列正向.py

@@ -0,0 +1,12 @@
+n=int(input())
+one_num=1
+two_num=1
+for i in range(3,n+1):
+    new_num=one_num+two_num
+    two_num=one_num
+    if new_num>1000000007:
+        one_num=new_num%(1000000007)
+    else:
+        one_num = new_num
+
+print(one_num)

游戏.py

@@ -0,0 +1,92 @@
+import sys
+import pygame as py
+import time
+
+#初始化
+py.init()
+py.display.init()
+
+#创建屏幕
+a=py.display.set_mode((400,320))
+running = True
+#设置小球x、y坐标
+ball_x = 200
+ball_y = 240
+#设置小球x、y坐标速度
+ball_x_speed = 2
+ball_y_speed = -3
+# 显示小球
+ball = py.draw.circle(a, 'blue', (ball_x, ball_y), 10)
+#创建球拍
+qp = py.Rect(160,270,80,20)
+#设置分数
+poins = 0
+#砖块列表
+zk_list = []
+#把砖块添加砖块列表
+for j in range(3):
+    for i in range(5):
+        r = py.Rect(i*78+14,j*45+35,60,37)
+        zk_list.append(r)
+while running:
+    # a的背景设为(238,238,238)
+    a.fill((238,238,238))
+    #判断退出事件
+    for e in py.event.get():
+        if e.type == py.QUIT:
+            running = False
+    #球拍的移动
+    keys = py.key.get_pressed()#py.key.get_pressed() : 所有按钮是否按下的逻辑值以序列的形式的变量
+    if keys[py.K_LEFT] and qp.x > 0 :#py.K_LEFT : 左方向键
+        qp.x -= 5
+    if keys[py.K_RIGHT] and qp.x < 320 :#py.K_RIGHT : 右方向键
+        qp.x += 5
+    #球碰到边界的反弹
+    if ball_x > 390 or ball_x < 10:
+        ball_x_speed = - ball_x_speed
+    if ball_y < 10:
+        ball_y_speed = - ball_y_speed
+    #球碰到球拍的反弹
+    if ball.colliderect(qp):#判断球是否碰到球拍
+        ball_y_speed = -ball_y_speed
+    #球的移动
+    ball_x = ball_x + ball_x_speed
+    ball_y = ball_y + ball_y_speed
+    #球打碎砖块
+    for r in zk_list:
+        if ball.colliderect(r):#判断球是否碰到砖块
+            ball_y_speed = -ball_y_speed
+            zk_list.remove(r)
+            poins += 1
+    # 球碰到下边界
+    if ball_y > 310:
+        # 终断循环
+        running = False
+    # 球打完了砖块
+    if not zk_list :
+        # 创建字体(完美)
+        text = py.font.Font(None, 50).render('prefect!!', True, (0, 0, 0))
+        # 显示字体(完美)
+        a.blit(text, (150, 100))
+        time.sleep(5)
+        #终断循环
+        running = False
+    # 画出所有砖块
+    for zk in zk_list:
+        py.draw.rect(a, 'red', zk)
+    # 显示球拍
+    py.draw.rect(a, (0, 0, 0), rect=qp)
+    # 显示小球
+    ball = py.draw.circle(a, 'blue', (ball_x, ball_y), 10)
+    # 创建字体(得分)
+    text = py.font.Font(None, 30).render(f'poins:{poins}', True, (0, 0, 0))
+    # 显示字体(得分)
+    a.blit(text, (10, 10))
+    #更新显示
+    py.display.flip()
+    # 把帧率设为100(一帧为每秒更新1篇画面)
+    py.time.Clock().tick(50)
+#pygame初始化
+py.quit()
+#结束系统进程
+sys.exit()

质数筛.py

@@ -7,7 +7,9 @@ def sieve_of_eratosthenes(n):
             # 更新所有 p 的倍数，从 p*p 开始标记为 False
             for i in range(p * p, n + 1, p):
                 primes[i] = False
-        p += 1
+        p+=1
+        while primes[p]==0:
+            p+=1
 
     # 收集所有质数
     prime_numbers = [p for p in range(2, n + 1) if primes[p]]
@@ -15,5 +17,5 @@ def sieve_of_eratosthenes(n):
 
 
 # 测试算法
-n = 50
+n = 10000
 print(f"小于等于 {n} 的所有质数: {sieve_of_eratosthenes(n)}")