请教一段小程序# JobHunting - 待字闺中
y*9
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main(){
double *res;
double i1, i2, i3;
i1=2.0;
res=&i1;
res++;
i1 = 3.0;
res= &i1;
res++;
i1 = 4.0;
res = &i1;
res = res-2;
printf("%f\n", *res);
}
这个为什么是0呢
double *res;
double i1, i2, i3;
i1=2.0;
res=&i1;
res++;
i1 = 3.0;
res= &i1;
res++;
i1 = 4.0;
res = &i1;
res = res-2;
printf("%f\n", *res);
}
这个为什么是0呢