結果
問題 | No.1334 Multiply or Add |
ユーザー | 👑 hos.lyric |
提出日時 | 2021-01-08 22:17:24 |
言語 | D (dmd 2.106.1) |
結果 |
WA
|
実行時間 | - |
コード長 | 4,097 bytes |
コンパイル時間 | 1,398 ms |
コンパイル使用メモリ | 157,464 KB |
実行使用メモリ | 13,920 KB |
最終ジャッジ日時 | 2024-06-22 10:34:24 |
合計ジャッジ時間 | 5,184 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge5 |
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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
6,816 KB |
testcase_01 | AC | 1 ms
6,944 KB |
testcase_02 | AC | 1 ms
6,944 KB |
testcase_03 | AC | 18 ms
12,972 KB |
testcase_04 | AC | 17 ms
12,648 KB |
testcase_05 | AC | 18 ms
12,864 KB |
testcase_06 | AC | 18 ms
13,076 KB |
testcase_07 | AC | 20 ms
12,772 KB |
testcase_08 | AC | 17 ms
12,816 KB |
testcase_09 | AC | 18 ms
12,976 KB |
testcase_10 | AC | 17 ms
12,812 KB |
testcase_11 | AC | 17 ms
12,788 KB |
testcase_12 | AC | 17 ms
12,784 KB |
testcase_13 | AC | 17 ms
12,640 KB |
testcase_14 | AC | 16 ms
12,788 KB |
testcase_15 | AC | 16 ms
12,856 KB |
testcase_16 | WA | - |
testcase_17 | WA | - |
testcase_18 | WA | - |
testcase_19 | AC | 20 ms
12,744 KB |
testcase_20 | AC | 20 ms
12,760 KB |
testcase_21 | AC | 20 ms
12,848 KB |
testcase_22 | AC | 17 ms
12,784 KB |
testcase_23 | AC | 17 ms
12,788 KB |
testcase_24 | AC | 18 ms
12,628 KB |
testcase_25 | AC | 18 ms
12,848 KB |
testcase_26 | AC | 17 ms
12,852 KB |
testcase_27 | AC | 18 ms
12,824 KB |
testcase_28 | AC | 18 ms
12,800 KB |
testcase_29 | AC | 16 ms
12,756 KB |
testcase_30 | AC | 18 ms
12,768 KB |
testcase_31 | AC | 18 ms
13,072 KB |
testcase_32 | AC | 18 ms
12,688 KB |
testcase_33 | AC | 17 ms
12,788 KB |
testcase_34 | AC | 18 ms
12,980 KB |
testcase_35 | AC | 19 ms
12,708 KB |
testcase_36 | AC | 18 ms
12,820 KB |
testcase_37 | AC | 19 ms
12,800 KB |
testcase_38 | AC | 19 ms
12,780 KB |
testcase_39 | AC | 1 ms
6,940 KB |
testcase_40 | AC | 7 ms
6,944 KB |
testcase_41 | AC | 3 ms
6,944 KB |
testcase_42 | AC | 4 ms
6,944 KB |
testcase_43 | AC | 14 ms
7,560 KB |
testcase_44 | AC | 7 ms
6,944 KB |
testcase_45 | AC | 3 ms
6,940 KB |
testcase_46 | AC | 7 ms
6,940 KB |
testcase_47 | AC | 12 ms
6,992 KB |
testcase_48 | AC | 8 ms
6,940 KB |
testcase_49 | AC | 14 ms
11,980 KB |
testcase_50 | AC | 33 ms
11,020 KB |
testcase_51 | AC | 33 ms
10,672 KB |
testcase_52 | AC | 33 ms
10,712 KB |
testcase_53 | AC | 33 ms
10,660 KB |
testcase_54 | AC | 33 ms
10,828 KB |
testcase_55 | AC | 38 ms
10,196 KB |
testcase_56 | AC | 1 ms
6,944 KB |
testcase_57 | AC | 1 ms
6,940 KB |
testcase_58 | AC | 1 ms
6,944 KB |
testcase_59 | AC | 1 ms
6,944 KB |
testcase_60 | AC | 1 ms
6,940 KB |
testcase_61 | AC | 1 ms
6,944 KB |
testcase_62 | AC | 1 ms
6,940 KB |
testcase_63 | AC | 1 ms
6,944 KB |
testcase_64 | AC | 1 ms
6,940 KB |
testcase_65 | AC | 1 ms
6,940 KB |
testcase_66 | AC | 29 ms
9,612 KB |
testcase_67 | AC | 20 ms
6,944 KB |
testcase_68 | AC | 2 ms
6,944 KB |
testcase_69 | AC | 33 ms
10,880 KB |
testcase_70 | AC | 32 ms
9,872 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.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; } 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)); } struct ModInt(int M_) { import std.conv : to; alias M = M_; int x; this(ModInt a) { x = a.x; } this(long a) { x = cast(int)(a % M); if (x < 0) x += M; } ref ModInt opAssign(long a) { return (this = ModInt(a)); } ref ModInt opOpAssign(string op)(ModInt a) { static if (op == "+") { x += a.x; if (x >= M) x -= M; } else static if (op == "-") { x -= a.x; if (x < 0) x += M; } else static if (op == "*") { x = cast(int)((cast(long)(x) * a.x) % M); } else static if (op == "/") { this *= a.inv(); } else static assert(false); return this; } ref ModInt opOpAssign(string op)(long a) { static if (op == "^^") { if (a < 0) return (this = inv()^^(-a)); ModInt t2 = this, te = ModInt(1); for (long e = a; e > 0; e >>= 1) { if (e & 1) te *= t2; t2 *= t2; } x = cast(int)(te.x); return this; } else return mixin("this " ~ op ~ "= ModInt(a)"); } ModInt inv() const { int a = x, b = M, y = 1, z = 0, t; for (; ; ) { t = a / b; a -= t * b; if (a == 0) { assert(b == 1 || b == -1); return ModInt(b * z); } y -= t * z; t = b / a; b -= t * a; if (b == 0) { assert(a == 1 || a == -1); return ModInt(a * y); } z -= t * y; } } ModInt opUnary(string op: "-")() const { return ModInt(-x); } ModInt opBinary(string op, T)(T a) const { return mixin("ModInt(this) " ~ op ~ "= a"); } ModInt opBinaryRight(string op)(long a) const { return mixin("ModInt(a) " ~ op ~ "= this"); } bool opCast(T: bool)() const { return (x != 0); } string toString() const { return x.to!string; } } enum MO = 10^^9 + 7; alias Mint = ModInt!MO; enum LIM = 10L^^9; void main() { try { for (; ; ) { const N = readInt(); auto A = new long[N]; foreach (i; 0 .. N) { A[i] = readLong(); } long prod = 1; foreach (i; 0 .. N) { prod *= A[i]; chmin(prod, LIM); } if (prod >= LIM) { int l, r; for (l = 0; l < N && A[l] == 1; ++l) {} for (r = N; r > 0 && A[r - 1] == 1; --r) {} Mint ans; if (l <= r) { ans = 1; foreach (i; l .. r) { ans *= A[i]; } ans += l; ans += (N - r); } else { ans = N; } writeln(ans); } else { alias Entry = Tuple!(long, "score", long, "a"); Entry[] es; auto dp = new long[N + 1]; dp[0] = 0; foreach (i; 0 .. N) { chmax(dp[i + 1], dp[i] + A[i]); if (i == 0 || A[i] > 1) { es ~= Entry(dp[i], A[i]); } long now = 1; foreach_reverse (ref e; es) { now *= e.a; chmax(dp[i + 1], e.score + now); } } writeln(dp[N]); } } } catch (EOFException e) { } }