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Ingy döt Net 2023-07-01 11:58:00 -04:00
parent 7387c8f97b
commit cb5bb5e222
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54
Task/Eban-numbers/D/eban-numbers.d Normal file
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import std.stdio;
struct Interval {
int start, end;
bool print;
}
void main() {
Interval[] intervals = [
{2, 1_000, true},
{1_000, 4_000, true},
{2, 10_000, false},
{2, 100_000, false},
{2, 1_000_000, false},
{2, 10_000_000, false},
{2, 100_000_000, false},
{2, 1_000_000_000, false},
];
foreach (intv; intervals) {
if (intv.start == 2) {
writeln("eban numbers up to an including ", intv.end, ':');
} else {
writeln("eban numbers between ", intv.start ," and ", intv.end, " (inclusive):");
}
int count;
for (int i = intv.start; i <= intv.end; i = i + 2) {
int b = i / 1_000_000_000;
int r = i % 1_000_000_000;
int m = r / 1_000_000;
r = i % 1_000_000;
int t = r / 1_000;
r %= 1_000;
if (m >= 30 && m <= 66) m %= 10;
if (t >= 30 && t <= 66) t %= 10;
if (r >= 30 && r <= 66) r %= 10;
if (b == 0 || b == 2 || b == 4 || b == 6) {
if (m == 0 || m == 2 || m == 4 || m == 6) {
if (t == 0 || t == 2 || t == 4 || t == 6) {
if (r == 0 || r == 2 || r == 4 || r == 6) {
if (intv.print) write(i, ' ');
count++;
}
}
}
}
}
if (intv.print) {
writeln();
}
writeln("count = ", count);
writeln;
}
}