{int a=0,b=0,c=0;c=(a-=++a),(a+=b,b+=4);printf("%d,%d,%d\n,a,b,c);{int a=0,b=0,c=0;c=(a-=++a),(a+=b,b+=4);printf("%d,%d,%d\n,a,b,c); }a、b、c为什么是0,4,0 不是1,4,中间那一块不是很懂
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/24 16:46:14
![{int a=0,b=0,c=0;c=(a-=++a),(a+=b,b+=4);printf(](/uploads/image/z/7166523-3-3.jpg?t=%7Bint+a%3D0%2Cb%3D0%2Cc%3D0%3Bc%3D%28a-%3D%2B%2Ba%29%2C%28a%2B%3Db%2Cb%2B%3D4%29%3Bprintf%28%22%25d%2C%25d%2C%25d%5Cn%2Ca%2Cb%2Cc%29%3B%7Bint+a%3D0%2Cb%3D0%2Cc%3D0%3Bc%3D%28a-%3D%2B%2Ba%29%2C%28a%2B%3Db%2Cb%2B%3D4%29%3Bprintf%28%22%25d%2C%25d%2C%25d%5Cn%2Ca%2Cb%2Cc%29%3B+%7Da%E3%80%81b%E3%80%81c%E4%B8%BA%E4%BB%80%E4%B9%88%E6%98%AF0%2C4%2C0+%E4%B8%8D%E6%98%AF1%2C4%2C%E4%B8%AD%E9%97%B4%E9%82%A3%E4%B8%80%E5%9D%97%E4%B8%8D%E6%98%AF%E5%BE%88%E6%87%82)
{int a=0,b=0,c=0;c=(a-=++a),(a+=b,b+=4);printf("%d,%d,%d\n,a,b,c);{int a=0,b=0,c=0;c=(a-=++a),(a+=b,b+=4);printf("%d,%d,%d\n,a,b,c); }a、b、c为什么是0,4,0 不是1,4,中间那一块不是很懂
{int a=0,b=0,c=0;c=(a-=++a),(a+=b,b+=4);printf("%d,%d,%d\n,a,b,c);
{
int a=0,b=0,c=0;
c=(a-=++a),(a+=b,b+=4);
printf("%d,%d,%d\n,a,b,c);
}
a、b、c为什么是0,4,0 不是1,4,
中间那一块不是很懂
{int a=0,b=0,c=0;c=(a-=++a),(a+=b,b+=4);printf("%d,%d,%d\n,a,b,c);{int a=0,b=0,c=0;c=(a-=++a),(a+=b,b+=4);printf("%d,%d,%d\n,a,b,c); }a、b、c为什么是0,4,0 不是1,4,中间那一块不是很懂
先算++a,则a=1;
a=a-a=0;
c=a=0;
a=a+b=0;
b=b+4=4