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Just another update

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This commit is contained in:
Ingy döt Net 2015-02-20 00:35:01 -05:00
parent a25938f123
commit 00a190b0a6
6591 changed files with 94363 additions and 23227 deletions
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16
Task/Cut-a-rectangle/D/cut-a-rectangle.d
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@ -1,12 +1,4 @@
import core.stdc.stdio, core.stdc.stdlib,
core.stdc.string, std.typetuple;
template Range(uint stop) { // For loop unwinding.
static if (stop <= 0)
alias TypeTuple!() Range;
else
alias TypeTuple!(Range!(stop - 1), stop - 1) Range;
}
import core.stdc.stdio, core.stdc.stdlib, core.stdc.string, std.typecons;
enum int[2][4] dir = [[0, -1], [-1, 0], [0, 1], [1, 0]];
@ -15,7 +7,7 @@ __gshared uint w, h, len;
__gshared ulong cnt;
__gshared uint[4] next;
void walk(in uint y, in uint x) nothrow {
void walk(in uint y, in uint x) nothrow @nogc {
if (!y || y == h || !x || x == w) {
cnt += 2;
return;
@ -25,7 +17,7 @@ void walk(in uint y, in uint x) nothrow {
grid[t]++;
grid[len - t]++;
foreach (i; Range!4) // Manual loop unwinding.
foreach (immutable i; staticIota!(0, 4))
if (!grid[t + next[i]])
walk(y + dir[i][0], x + dir[i][1]);
@ -33,7 +25,7 @@ void walk(in uint y, in uint x) nothrow {
grid[len - t]--;
}
ulong solve(in uint hh, in uint ww, in bool recur) nothrow {
ulong solve(in uint hh, in uint ww, in bool recur) nothrow @nogc {
h = (hh & 1) ? ww : hh;
w = (hh & 1) ? hh : ww;