結果
問題 | No.2834 Work to Play |
ユーザー | 👑 hos.lyric |
提出日時 | 2024-08-02 21:40:26 |
言語 | D (dmd 2.106.1) |
結果 |
WA
|
実行時間 | - |
コード長 | 4,802 bytes |
コンパイル時間 | 2,769 ms |
コンパイル使用メモリ | 152,068 KB |
実行使用メモリ | 6,948 KB |
最終ジャッジ日時 | 2024-08-02 21:40:32 |
合計ジャッジ時間 | 5,247 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge1 |
(要ログイン)
テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | WA | - |
testcase_01 | AC | 1 ms
6,940 KB |
testcase_02 | WA | - |
testcase_03 | WA | - |
testcase_04 | WA | - |
testcase_05 | WA | - |
testcase_06 | WA | - |
testcase_07 | WA | - |
testcase_08 | WA | - |
testcase_09 | WA | - |
testcase_10 | WA | - |
testcase_11 | WA | - |
testcase_12 | WA | - |
testcase_13 | WA | - |
testcase_14 | WA | - |
testcase_15 | WA | - |
testcase_16 | WA | - |
testcase_17 | WA | - |
testcase_18 | WA | - |
testcase_19 | WA | - |
testcase_20 | WA | - |
testcase_21 | WA | - |
testcase_22 | WA | - |
testcase_23 | WA | - |
testcase_24 | WA | - |
testcase_25 | WA | - |
testcase_26 | WA | - |
testcase_27 | WA | - |
testcase_28 | WA | - |
testcase_29 | WA | - |
testcase_30 | WA | - |
testcase_31 | WA | - |
testcase_32 | WA | - |
testcase_33 | WA | - |
testcase_34 | WA | - |
testcase_35 | WA | - |
testcase_36 | WA | - |
testcase_37 | WA | - |
testcase_38 | WA | - |
testcase_39 | WA | - |
testcase_40 | WA | - |
testcase_41 | WA | - |
testcase_42 | WA | - |
testcase_43 | WA | - |
testcase_44 | WA | - |
testcase_45 | WA | - |
testcase_46 | WA | - |
testcase_47 | WA | - |
testcase_48 | WA | - |
testcase_49 | WA | - |
testcase_50 | WA | - |
testcase_51 | WA | - |
testcase_52 | WA | - |
testcase_53 | WA | - |
testcase_54 | WA | - |
testcase_55 | AC | 1 ms
6,940 KB |
testcase_56 | AC | 1 ms
6,944 KB |
testcase_57 | AC | 1 ms
6,944 KB |
testcase_58 | WA | - |
testcase_59 | WA | - |
testcase_60 | WA | - |
testcase_61 | WA | - |
testcase_62 | WA | - |
testcase_63 | WA | - |
testcase_64 | WA | - |
testcase_65 | WA | - |
testcase_66 | WA | - |
testcase_67 | WA | - |
testcase_68 | WA | - |
testcase_69 | WA | - |
testcase_70 | WA | - |
testcase_71 | WA | - |
testcase_72 | WA | - |
testcase_73 | WA | - |
testcase_74 | WA | - |
testcase_75 | WA | - |
testcase_76 | WA | - |
testcase_77 | WA | - |
testcase_78 | WA | - |
testcase_79 | WA | - |
testcase_80 | WA | - |
testcase_81 | WA | - |
testcase_82 | WA | - |
testcase_83 | WA | - |
testcase_84 | WA | - |
testcase_85 | WA | - |
testcase_86 | WA | - |
testcase_87 | WA | - |
testcase_88 | WA | - |
ソースコード
import std.conv, std.functional, std.range, std.stdio, std.string; import std.algorithm, std.array, std.bigint, std.bitmanip, std.complex, std.container, std.math, std.mathspecial, std.numeric, std.regex, std.typecons; import core.bitop; class EOFException : Throwable { this() { super("EOF"); } } string[] tokens; string readToken() { for (; tokens.empty; ) { if (stdin.eof) { throw new EOFException; } tokens = readln.split; } auto token = tokens.front; tokens.popFront; return token; } int readInt() { return readToken.to!int; } long readLong() { return readToken.to!long; } string COLOR(string s = "") { return "\x1b[" ~ s ~ "m"; } bool chmin(T)(ref T t, in T f) { if (t > f) { t = f; return true; } else { return false; } } bool chmax(T)(ref T t, in T f) { if (t < f) { t = f; return true; } else { return false; } } int binarySearch(alias pred, T)(in T[] as) { int lo = -1, hi = cast(int)(as.length); for (; lo + 1 < hi; ) { const mid = (lo + hi) >> 1; (unaryFun!pred(as[mid]) ? hi : lo) = mid; } return hi; } int lowerBound(T)(in T[] as, T val) { return as.binarySearch!(a => (a >= val)); } int upperBound(T)(in T[] as, T val) { return as.binarySearch!(a => (a > val)); } struct ModInt(uint M_) { import std.conv : to; alias M = M_; uint x; this(ModInt a) { x = a.x; } this(uint x_) { x = x_ % M; } this(ulong x_) { x = cast(uint)(x_ % M); } this(int x_) { x = ((x_ %= cast(int)(M)) < 0) ? (x_ + cast(int)(M)) : x_; } this(long x_) { x = cast(uint)(((x_ %= cast(long)(M)) < 0) ? (x_ + cast(long)(M)) : x_); } ref ModInt opAssign(T)(inout(T) a) if (is(T == uint) || is(T == ulong) || is(T == int) || is(T == long)) { return this = ModInt(a); } ref ModInt opOpAssign(string op, T)(T a) { static if (is(T == ModInt)) { static if (op == "+") { x = ((x += a.x) >= M) ? (x - M) : x; } else static if (op == "-") { x = ((x -= a.x) >= M) ? (x + M) : x; } else static if (op == "*") { x = cast(uint)((cast(ulong)(x) * a.x) % M); } else static if (op == "/") { this *= a.inv(); } else static assert(false); return this; } else static if (op == "^^") { if (a < 0) return this = inv()^^(-a); ModInt b = this, c = 1U; for (long e = a; e; e >>= 1) { if (e & 1) c *= b; b *= b; } return this = c; } else { return mixin("this " ~ op ~ "= ModInt(a)"); } } ModInt inv() const { uint a = M, b = x; int y = 0, z = 1; for (; b; ) { const q = a / b; const c = a - q * b; a = b; b = c; const w = y - cast(int)(q) * z; y = z; z = w; } assert(a == 1); return ModInt(y); } ModInt opUnary(string op)() const { static if (op == "+") { return this; } else static if (op == "-") { ModInt a; a.x = x ? (M - x) : 0U; return a; } else static assert(false); } ModInt opBinary(string op, T)(T a) const { return mixin("ModInt(this) " ~ op ~ "= a"); } ModInt opBinaryRight(string op, T)(T a) const { return mixin("ModInt(a) " ~ op ~ "= this"); } bool opCast(T: bool)() const { return (x != 0U); } string toString() const { return x.to!string; } } enum MO = 998244353; alias Mint = ModInt!MO; void main() { try { for (; ; ) { const N = readLong; const A = readLong; const K = readLong; const Q = N / (2*K); const R = N % (2*K); Mint ans; { // R + x + (2K) i (0 <= i < Q) Mint sum0, sum1, sum2; long lot; foreach_reverse (x; 1 .. 2*K + 1) { long b = A * (R + x); sum0 += Mint(b / K) * Mint(R + x); sum1 += Mint(b / K) * Mint(2*K); sum1 += Mint(2) * Mint(R + x); sum2 += Mint(2) * Mint(2*K); b %= K; { const t = min(b, lot); b -= t; lot -= t; } if (b > 0) { const q = (b + K - 1) / K; sum0 += Mint(q) * Mint(R + x); sum1 += Mint(q) * Mint(2*K); lot = K * q - b; } } ans += Mint(Q) * sum0; ans += (Mint(Q) * Mint(Q - 1) / 2) * sum1; ans += (Mint(Q) * Mint(Q - 1) * Mint(2 * Q - 1) / 6) * sum2; assert(lot == 0); } { Mint sum; long lot; foreach_reverse (x; 1 .. R + 1) { long b = A * x; debug writeln(__LINE__, ": ", x, " ", b / K); sum += Mint(b / K) * Mint(x); b %= K; { const t = min(b, lot); b -= t; lot -= t; } if (b > 0) { const q = (b + K - 1) / K; debug writeln(__LINE__, ": ", x, " ", q); sum += Mint(q) * Mint(x); lot = K * q - b; } } ans += sum; } ans *= 2; writeln(ans); } } catch (EOFException e) { } }