結果

問題 No.314 ケンケンパ
ユーザー te-sh
提出日時 2017-06-19 17:52:55
言語 D
(dmd 2.109.1)
結果
CE  
(最新)
AC  
(最初)
実行時間 -
コード長 1,468 bytes
コンパイル時間 807 ms
コンパイル使用メモリ 126,296 KB
最終ジャッジ日時 2024-11-14 20:05:04
合計ジャッジ時間 1,182 ms
ジャッジサーバーID
(参考情報)
judge2 / judge1
このコードへのチャレンジ
(要ログイン)
コンパイルエラー時のメッセージ・ソースコードは、提出者また管理者しか表示できないようにしております。(リジャッジ後のコンパイルエラーは公開されます)
ただし、clay言語の場合は開発者のデバッグのため、公開されます。

コンパイルメッセージ
/home/linuxbrew/.linuxbrew/opt/dmd/include/dlang/dmd/std/format/internal/write.d(143): Error: cannot implicitly convert expression `obj` of type `const(FactorRing!(1000000007, false))` to `int`
/home/linuxbrew/.linuxbrew/opt/dmd/include/dlang/dmd/std/format/write.d(1239): Error: template instance `std.format.internal.write.formatValueImpl!(LockingTextWriter, FactorRing!(1000000007, false), char)` error instantiating
/home/linuxbrew/.linuxbrew/opt/dmd/include/dlang/dmd/std/format/write.d(632):        instantiated from here: `formatValue!(LockingTextWriter, FactorRing!(1000000007, false), char)`
/home/linuxbrew/.linuxbrew/opt/dmd/include/dlang/dmd/std/stdio.d(1759):        instantiated from here: `formattedWrite!(LockingTextWriter, char, FactorRing!(1000000007, false))`
/home/linuxbrew/.linuxbrew/opt/dmd/include/dlang/dmd/std/stdio.d(4277):        instantiated from here: `write!(FactorRing!(1000000007, false), char)`
Main.d(18):        instantiated from here: `writeln!(FactorRing!(1000000007, false))`

ソースコード

diff #
プレゼンテーションモードにする

import std.algorithm, std.conv, std.range, std.stdio, std.string;
const p = 10 ^^ 9 + 7;
alias FactorRing!p mint;
void main()
{
auto n = readln.chomp.to!int;
auto dp = new mint[][](n+1, 3);
dp[0][0] = 1;
foreach (i; 1..n+1) {
dp[i][0] = dp[i-1][1] + dp[i-1][2];
dp[i][1] = dp[i-1][0];
dp[i][2] = dp[i-1][1];
}
writeln(dp[n].sum);
}
struct FactorRing(int m, bool pos = false)
{
long v;
@property int toInt() { return v.to!int; }
alias toInt this;
this(T)(T _v) { v = mod(_v); }
ref FactorRing!(m, pos) opAssign(int _v)
{
v = mod(_v);
return this;
}
pure auto mod(long _v) const
{
static if (pos) return _v % m;
else return (_v % m + m) % m;
}
pure auto opBinary(string op: "+")(long rhs) const { return FactorRing!(m, pos)(v + rhs); }
pure auto opBinary(string op: "-")(long rhs) const { return FactorRing!(m, pos)(v - rhs); }
pure auto opBinary(string op: "*")(long rhs) const { return FactorRing!(m, pos)(v * rhs); }
pure auto opBinary(string op)(FactorRing!(m, pos) rhs) const
if (op == "+" || op == "-" || op == "*") { return opBinary!op(rhs.v); }
auto opOpAssign(string op: "+")(long rhs) { v = mod(v + rhs); }
auto opOpAssign(string op: "-")(long rhs) { v = mod(v - rhs); }
auto opOpAssign(string op: "*")(long rhs) { v = mod(v * rhs); }
auto opOpAssign(string op)(FactorRing!(m, pos) rhs)
if (op == "+" || op == "-" || op == "*") { return opOpAssign!op(rhs.v); }
}
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