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Be useful.
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let s = a.toString(), f, n, i
i = s.indexOf('.')
if (i == -1) i = s.length - 1
s = s.substring(++i)
n = parseInt(s)
if (!n) f = Math.trunc(a)
else {
let gcf = (a, b) => !b ? a : gcf(b, a % b),
d = Math.pow(10, s.length),
v = gcf(n, d)
i = Math.trunc(a)
if (v) {
n = n / v
d = d / v
}
if (i) f = `${i} ${n}/${d}`
else f = `${n}/${d}`
}import static java.lang.Integer.parseInt;
import static java.lang.Math.pow;
import static java.lang.String.valueOf;String s = valueOf(a), f;
s = s.substring(s.indexOf('.') + 1);
int n = parseInt(s);
if (n == 0) f = valueOf((int) a);
else {
record GCF() {
static int of(int a, int b) {
return b == 0 ? a : of(b, a % b);
}
}
int d = (int) pow(10, s.length()),
gcf = GCF.of(n, d), i = (int) a;
if (gcf != 0) {
n = n / gcf;
d = d / gcf;
}
f = n + "/" + d;
if (i != 0) f = i + " " + f;
}s = str(a)
if (i := s.find('.')) == -1:
f = str(a)
else:
n = int(s := s[i + 1:])
def gcf(a, b):
return gcf(b, a % b) if b else a
d = 10 ** len(s)
v = gcf(n, d)
i = int(a)
if v:
n = int(n / v)
d = int(d / v)
if i: f = f'{i} {n}/{d}'
else: f = f'{n}/{d}'