結果
| 問題 | No.2772 Appearing Even Times |
| コンテスト | |
| ユーザー |
|
| 提出日時 | 2026-04-10 14:51:31 |
| 言語 | D (dmd 2.112.0) |
| 結果 |
TLE
|
| 実行時間 | - |
| コード長 | 1,714 bytes |
| 記録 | |
| コンパイル時間 | 666 ms |
| コンパイル使用メモリ | 172,440 KB |
| 実行使用メモリ | 309,788 KB |
| 最終ジャッジ日時 | 2026-04-10 14:51:56 |
| 合計ジャッジ時間 | 6,566 ms |
|
ジャッジサーバーID (参考情報) |
judge1_0 / judge2_0 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 3 |
| other | AC * 5 TLE * 1 -- * 13 |
コンパイルメッセージ
/home/linuxbrew/.linuxbrew/opt/dmd/include/dlang/dmd/core/internal/hash.d(298): Warning: cannot inline function `core.internal.hash.hashOf!(const(void)*).hashOf`
size_t hashOf(T)(scope const T val, size_t seed) if (__traits(isScalar, T) && !is(T == __vector))
^
/home/linuxbrew/.linuxbrew/opt/dmd/include/dlang/dmd/core/internal/newaa.d(114): Warning: cannot inline function `core.internal.newaa.compat_key!(State, State).compat_key`
private ref compat_key(K, K2)(ref K2 key)
^
/home/linuxbrew/.linuxbrew/opt/dmd/include/dlang/dmd/core/internal/newaa.d(187): Warning: cannot inline function `core.internal.newaa.pure_hashOf!(State).pure_hashOf`
hash_t pure_hashOf(scope const ref K key) @trusted { return hashOf(cast()key); }
^
/home/linuxbrew/.linuxbrew/opt/dmd/include/dlang/dmd/core/internal/hash.d(298): Warning: cannot inline function `core.internal.hash.hashOf!(void*).hashOf`
size_t hashOf(T)(scope const T val, size_t seed) if (__traits(isScalar, T) && !is(T == __vector))
^
/home/linuxbrew/.linuxbrew/opt/dmd/include/dlang/dmd/core/internal/newaa.d(205): Warning: cannot inline function `core.internal.newaa.pure_keyEqual!(State, State).pure_keyEqual`
bool pure_keyEqual(ref const K1 k1, ref const K2 k2) @trusted { return cast()k1 == cast()k2; }
^
ソースコード
import std;
void main () {
const long MOD = 998244353;
auto N = readln.chomp.map!(a => a - '0').array;
struct DPVal {
long val;
}
struct State {
int cur;
bool less;
int mp;
Tuple!(bool, State) update (int next) {
State nstate;
if (!less && N[cur] < next) {
return tuple(false, nstate);
}
nstate.cur = cur + 1;
nstate.less = less || next < N[cur];
nstate.mp = mp ^ (1 << next);
return tuple(true, nstate);
}
bool isEnd () {
return cur == N.length;
}
DPVal endValue () {
if (mp == 0) {
return DPVal(1L);
}
return DPVal(0L);
}
}
DPVal[State] memo;
DPVal f (State state) {
if (state in memo) {
return memo[state];
}
if (state.isEnd()) {
return memo[state] = state.endValue();
}
DPVal ret;
foreach (next; 0 .. 10) {
auto nstate = state.update(next);
if (!nstate[0]) {
continue;
}
auto nval = f(nstate[1]);
ret.val += nval.val;
}
ret.val %= MOD;
return memo[state] = ret;
}
// i文字目からスタート
long ans = 0;
foreach (i; 0 .. N.length.to!int) {
int up = N[i];
if (0 < i) {
up = 9;
}
foreach (n; 1 .. up + 1) {
bool less = (0 < i) || n < up;
auto st = State(i + 1, less, 1 << n);
ans += f(st).val;
}
ans %= MOD;
}
writeln(ans);
}