結果

問題 No.557 点対称
ユーザー 👑 hos.lyrichos.lyric
提出日時 2020-03-28 00:03:06
言語 D
(dmd 2.106.1)
結果
RE  
実行時間 -
コード長 3,223 bytes
コンパイル時間 1,661 ms
コンパイル使用メモリ 153,136 KB
実行使用メモリ 6,948 KB
最終ジャッジ日時 2024-06-22 05:55:59
合計ジャッジ時間 2,680 ms
ジャッジサーバーID
(参考情報)
judge2 / judge4
このコードへのチャレンジ
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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 RE -
testcase_02 AC 1 ms
6,944 KB
testcase_03 RE -
testcase_04 RE -
testcase_05 AC 1 ms
6,940 KB
testcase_06 AC 1 ms
6,944 KB
testcase_07 RE -
testcase_08 AC 1 ms
6,944 KB
testcase_09 AC 1 ms
6,940 KB
testcase_10 RE -
testcase_11 AC 1 ms
6,940 KB
testcase_12 AC 1 ms
6,940 KB
testcase_13 AC 1 ms
6,940 KB
testcase_14 AC 1 ms
6,940 KB
testcase_15 AC 1 ms
6,940 KB
testcase_16 RE -
testcase_17 AC 1 ms
6,944 KB
testcase_18 AC 1 ms
6,940 KB
testcase_19 RE -
testcase_20 RE -
testcase_21 RE -
testcase_22 AC 1 ms
6,944 KB
testcase_23 RE -
testcase_24 RE -
testcase_25 AC 1 ms
6,940 KB
testcase_26 AC 1 ms
6,940 KB
testcase_27 AC 1 ms
6,940 KB
testcase_28 AC 1 ms
6,940 KB
testcase_29 AC 1 ms
6,940 KB
権限があれば一括ダウンロードができます

ソースコード

diff #
プレゼンテーションモードにする

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 = 1000000007;
alias Mint = ModInt!MO;
void main() {
try {
for (; ; ) {
const N = readInt();
Mint ans;
if (N == 1) {
ans = 2;
} else {
ans = 1;
ans *= 4;
ans *= Mint(5)^^(N / 2 - 1);
if (N % 2 != 0) {
ans *= 3;
}
}
writeln(ans);
}
} catch (EOFException e) {
}
}
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