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#include "aoc.h"
namespace aoc2016 {
int day2(line_view file, char ds[]) {
int d{0};
size_t i{0};
char l{5};
keybad pad;
per_line(file, [&d, &l, &pad, &i, &ds](line_view lv) {
l = pad.touch(l, lv.line, pad.digit_keys);
// printf("%d\n", l);
d = d * 10 + l;
pad.touch(i++, ds, lv.line, pad.diamond_keys);
return true;
});
return d;
}
} // namespace aoc2016
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