我有几行如下的输出:
printf("%-20s %-20s %-20s %-20s %-20s \n", "Identity", "Identity", "float", "double", "long double");
printf("%-20s %-20s %-20s %-20s %-20s \n", "Number", "LHS", "error", "error", "error");
如您所见,如果我想要改变它们之间的间距,我必须十次更改数字20。有没有一种方法可以将格式说明符参数化?这样只更改一次就可以全部更改吗?