我写的
while True:
try:
n = int(input())
if n == 0:
print("0")
else:
ans = ""
while n >= 1:
if n % 2 != 0:
ans += '1'
else:
ans += '0'
n //= 2
ans = ans[::-1]
print(ans)
except:
break
gpt写的
while True:
try:
n=int(input())
ans=bin(n)[2:]
print(ans)
except:
break