题解 | 变幻莫测
变幻莫测
https://www.nowcoder.com/practice/5e702b6c7c114e64b5db4650d0ce0051
a,b=map(int,input().split())
if a==0 and b!=0:
print(2)
elif a!=0 and b==0:
print(1)
elif a==b :
print(0)
elif a+b==0:
print(3)
else:
print(-1)
变幻莫测
https://www.nowcoder.com/practice/5e702b6c7c114e64b5db4650d0ce0051
a,b=map(int,input().split())
if a==0 and b!=0:
print(2)
elif a!=0 and b==0:
print(1)
elif a==b :
print(0)
elif a+b==0:
print(3)
else:
print(-1)
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