找三个数吧,a+b+c=1000,and a^2+b^2=c^2
#if u want three num when a+b+c=1000,and a^2+b^2=c^2
import os import time start_time = time.time() for a in range(0,1001): for b in range(0,1001): for c in range(0,1001): if a + b + c == 1000 and a**2 + b**2 == c**2: print("a,b,c:%d,%d,%d" %(a,b,c)) end_time = time.time() print("all time: %d" %(end_time-start_time))