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Nettet9. des. 2012 · int a=12,a+=a-=a*=a 这个其实是错误的,按照这样那么对a初始化的部分是a+=a-=a*=a,但是a没有初始化,所以矛盾了,应该这样的吧; Nettet2 dager siden · What happened. Container leasing specialist Triton International ( TRTN 32.03%) has agreed to be acquired by Brookfield Infrastructure Partners ( BIP 0.49%) ( BIPC -3.55%) in a deal valued at $13. ... Nettet可以看出: a1=++a; 会先进行自增操作,再进行赋值操作;而 b1=b++; 会先进行赋值操作,再进行自增操作。 c1=--c; 和 d1=d--; 也是如此。 为了强化记忆,我们再来看一个自增自减的综合示例: #include int main() { int a = 12, b = 1; int c = a - ( b --); // ① int d = (++ a) - (-- b ); // ② printf("c=%d, d=%d\n", c, d ); return 0; } 输出结果: c=11, d=14 … how do leather strops work