結果
問題 | No.853 河原の石 |
ユーザー | 👑 hos.lyric |
提出日時 | 2019-07-26 23:51:08 |
言語 | D (dmd 2.106.1) |
結果 |
WA
|
実行時間 | - |
コード長 | 2,580 bytes |
コンパイル時間 | 682 ms |
コンパイル使用メモリ | 119,912 KB |
実行使用メモリ | 6,948 KB |
最終ジャッジ日時 | 2024-06-22 02:07:41 |
合計ジャッジ時間 | 2,157 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge3 |
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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 | AC | 1 ms
6,812 KB |
testcase_01 | AC | 1 ms
6,944 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 | AC | 1 ms
6,940 KB |
testcase_55 | WA | - |
testcase_56 | AC | 1 ms
6,940 KB |
testcase_57 | AC | 1 ms
6,944 KB |
testcase_58 | AC | 1 ms
6,940 KB |
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.complex, std.container, std.math, 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; } real readReal() { return readToken.to!real; } 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)); } long calc(long h, long w) { long ret; if (h == 0 || w == 0) { ret = 0; } else { ret = 0; const hh = min(h, w); ret += (h - hh); foreach (k; 0 .. 40) { // [2^k, 2^(k+1)) const a = min(1L << k, hh + 1); const b = min(1L << (k + 1), hh + 1); if (a < b) { ret += w / (1L << k) * (b - a) + min(w % (1L << k), b - a); } } } return ret; } void main() { debug { enum INF = 10L^^18; enum lim = 20; auto dp = new long[][](lim, lim); foreach (h; 0 .. lim) foreach (w; 0 .. lim) { if (h == 0 || w == 0) { dp[h][w] = 0; } else { dp[h][w] = INF; foreach (x; 1 .. w + 1) { if (x <= h) { chmin(dp[h][w], 1 + dp[h - 1][x] + dp[h][w - x]); } } } } foreach (h; 0 .. lim) { foreach (w; 0 .. lim) { writef("%2d ", dp[h][w]); } writeln(); } foreach (h; 1 .. lim) { foreach (w; 1 .. lim) { write(dp[h][w] - dp[h - 1][w], " "); } writeln(); } foreach (h; 1 .. lim) foreach (w; 1 .. lim) { if (dp[h][w] != calc(h, w)) { writeln(h, " ", w, ": ", dp[h][w], " ", calc(h, w)); assert(false); } } } try { for (; ; ) { const H = readLong(); const W = readLong(); const ans = calc(H, abs(W)); writeln(ans); } } catch (EOFException e) { } }