save project

SB.py

 import time
 import time
 
 
 start_time=time.time()
 start_time=time.time()
+print("开始时间为："+str(start_time))
 for a in range(0,1001):
 for a in range(0,1001):
     for b in range(0,1001):
     for b in range(0,1001):
         c=1000-a-b
         c=1000-a-b
         if a**2+b**2==c**2 and a+b+c==1000:
         if a**2+b**2==c**2 and a+b+c==1000:
             print(a,b,c)
             print(a,b,c)
 stop_time=time.time()
 stop_time=time.time()
+print("结束时间为："+str(stop_time))
 t=stop_time-start_time
 t=stop_time-start_time
-print(t)
+print("所用时间为："+str(t))
\ No newline at end of file

cs.py

+alist= [20,17,15,6,2,5,8,9,19]
+
+n=len(alist)
+
+for i in range(0,n-1):
+    for j in range(0,n-1):
+        if alist[j]>alist[j+1]:
+            alist[j],alist[j+1]=alist[j+1],alist[j]
+    print(alist)
\ No newline at end of file

hh.py

+import time
+start_time=time.time()
+l=[]
+for i in range(0,1000):
+    for j in range(0,1000):
+        l.append(0)
+stop_time=time.time()
+t=stop_time-start_time
+print(t)
\ No newline at end of file