C++ specify array indexes in initializer, like C

Question

I used C before (embedded stuff), and I can initialize my arrays like that:

int widths[] = { [0 ... 9] = 1, [10 ... 99] = 2, [100] = 3 };

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Answer 1

No, it is not possible to do it in C++ like that. But you can use std::fill algorithm to assign the values:

int widths[101];
fill(widths, widths+10, 1);
fill(widths+10, widths+100, 2);
fill(widths+100, widths+101, 3);

It is not as elegant, but it works.