結果
| 問題 | No.148 試験監督（3） |
| ユーザー |
 紙ぺーぱー
|
| 提出日時 | 2016-05-30 00:36:23 |
| 言語 | C#(csc) (csc 3.9.0) |
| 結果 |
TLE
|
| 実行時間 | - |
| コード長 | 57,569 bytes |
| コンパイル時間 | 1,682 ms |
| コンパイル使用メモリ | 135,596 KB |
| 実行使用メモリ | 301,380 KB |
| 最終ジャッジ日時 | 2024-10-07 17:52:09 |
| 合計ジャッジ時間 | 15,687 ms |
|
ジャッジサーバーID （参考情報） |
judge1 / judge3 |
（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 | TLE | - |
| testcase_01 | MLE | - |
| testcase_02 | TLE | - |
| testcase_03 | TLE | - |
| testcase_04 | TLE | - |
| testcase_05 | TLE | - |
| testcase_06 | TLE | - |
| testcase_07 | -- | - |
| testcase_08 | -- | - |
| testcase_09 | -- | - |
| testcase_10 | -- | - |
| testcase_11 | -- | - |
コンパイルメッセージ
Microsoft (R) Visual C# Compiler version 3.9.0-6.21124.20 (db94f4cc) Copyright (C) Microsoft Corporation. All rights reserved.
ソースコード
//#define OTAKU
using System;
using System.Linq;
using System.Linq.Expressions;
using System.Collections.Generic;
using Debug = System.Diagnostics.Debug;
using StringBuilder = System.Text.StringBuilder;
using System.Numerics;
using Point = System.Numerics.Complex;
using Number = System.Int32;
namespace Program
{
public class Solver
{
public void Solve()
{
var perm = new List<ModInteger>() { 1 };
const int SZ = 5000;
const int ZS = 1000000000 / SZ;
#if OTAKU
var v = 1L;
for (int i = 0; i < SZ; i++)
{
for (int j = 1; j <= ZS; j++)
v = (v * (ZS * i + j)) % 1000000007;
perm.Add(v);
}
IO.Printer.Out.WriteLine("{" + perm.AsJoinedString(",") + "};");
return;
#else
perm = new List<ModInteger>() {1,107146451,559805077,679209364,644158465,641102369,363599536,539157852,309854856,663484182,578095319,765808214,585806050,579773866,861745250,5832229,242744764,899032987,150478174,627860803,259081142,544918953,907400235,421968194,278955367,974067448,996965954,473966292,479920311,752161465,316220877,1575312,620898940,405577532,956413299,690120224,24521750,576078970,929871923,14422365,251368199,582439362,220087090,98361446,763414075,980250487,618104354,398723029,764421236,476998749,682498929,152611299,345470378,403024660,140864216,134623568,373126171,461157687,363224613,526497651,95936601,19447777,584319463,569582206,9045328,933097914,959173997,559096347,12442609,508362944,167332441,75538458,275742306,137855279,60332461,598816162,31223863,767213175,564190300,222078457,336060741,632048012,895642779,171183381,851161246,248744620,635103992,605016577,853414712,546047842,626497524,867430659,904851726,475501650,298693437,288843364,52298443,743602491,479708090,125625755,491101308,662967999,385457627,482257159,393222011,245341950,474567292,196002818,754437203,542706821,565768255,524308015,545648343,58680787,792180189,246899319,99934426,788944266,676012445,610686655,968999,595032530,244819707,511710008,902492598,586350670,979137619,980655027,474700377,30153596,638587686,420932107,353049206,281562548,921459833,881746146,850268753,711117420,919203761,831442297,19426633,910061172,862345480,293462255,542955556,850500036,181909169,496532173,582702682,168757859,76479948,477639087,930180103,941723214,28581913,268124147,685075984,53790970,672818243,581968000,842267748,947532066,451116854,333707614,650009312,886294336,868829344,613566917,695702195,853242582,485348706,229827108,827117592,492711911,296974594,463847391,649090736,204857297,760019200,942731826,544075857,185735387,550588097,632593345,706629399,898187927,854821744,297803207,596729075,466541843,798967520,743420839,198998756,526623452,952046139,82926604,924044367,23777891,924258126,450837733,723816384,535478979,53975412,517436639,63932312,156530778,807928028,305569485,545662462,29493652,721996174,49456224,480391065,526281212,151117811,299085602,522961673,374481484,489252071,589831644,323604647,153393495,268164416,48301315,90383486,172827403,800588969,757146415,169338716,192601723,398699886,675113999,139831846,135840345,475501867,530389102,499294891,415376,114785958,576550918,294587621,714006296,457685563,875018827,254653019,813805606,172340144,498342367,258170000,43217172,67347853,909565792,16783532,495844744,402811155,497478507,110424728,441813281,581794056,561458723,196447201,404666335,118379156,910698506,850677980,722054885,777969547,12568481,748065817,60153582,228338256,433273104,521949545,52378412,701779420,407719831,445935909,752708852,15212588,650765251,762479457,398970308,808076198,39427394,8600742,746536789,586283387,655840660,152366450,741393509,811667359,415355660,386594397,97783708,333236625,778773518,205743536,570866962,242211856,218690396,27368307,562235036,987935647,849148138,692637504,438371670,422227498,845152439,883281454,243833737,59469516,765962345,89372661,972779460,599040453,5974669,324069108,180699112,833342486,793755411,766196482,468608739,812248718,494936006,59143878,606322308,732001446,635032673,759041389,554416265,86609485,559966857,658825730,586359929,562500933,889750731,724008021,806898745,995252950,135711291,340941507,700915958,324648749,722436788,59758328,371263376,265906250,850300987,61732363,887464462,625544428,279914778,644000584,180090545,9409022,788878910,631046702,358050946,714475801,883906209,808412394,528517448,316094660,724209709,544375689,996952918,79329551,136597179,64972739,930161980,585237443,422015194,62785084,374220150,44615465,1669644,42241449,58647723,929666976,307936472,361786913,974936549,107912795,225369475,703087658,480748381,2295485,880634238,805196528,188324947,595143852,926866806,742851567,666743467,973671409,837229828,243910108,697054929,57085695,469594245,199888908,649491763,274161939,558233225,470545797,526807168,244714186,411969385,54080847,427233799,579691190,754963083,169559902,270720182,588618211,145404005,478716222,293401592,614571924,321950925,459188207,805552722,508829534,304228537,355209596,534491822,947251800,225966128,986142683,701643375,439729802,759944655,349343101,48980788,212468510,840398449,259450229,983563606,704289349,442694685,899297830,121102289,405640886,513670887,961729079,235861787,281870391,270409779,798401543,369530217,888050723,920492865,298494436,756462483,628273353,656116726,247544137,294651705,412762822,489872437,736550105,461990959,534030848,365932794,610954403,440902696,253238972,682492613,522303856,839296517,85990869,288079694,617973869,825208191,111668651,884343068,125800325,805525713,184783824,425093556,56305184,939279559,912326839,855064933,756764497,973478770,706513987,632521245,897480658,888874515,168891766,413551441,450119928,687166876,349851104,804805577,160016093,64401654,546799298,304104093,927880474,870230497,673373340,543880181,83687737,876297919,298117414,660162137,753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65440961,645545349,327890704,443215535,852746349,364380585,568923977,818312619,63375050,878161899,921648059,897560127,418425432,284440679,542351792,965683742,752734606,907002124,875867413,694688662,260466949,453026551,251195555,827102807,503551288,117483873,880521254,699952443,892167407,469449264,962540888,119067966,52097767,370019264,822249634,237120480,771648639,229619983,680015907,259773735,620531822,964404181,958440491,109152123,333219547,193781724,685711127,638406068,670271563,605076602,213092254,714457410,205295329,381785483,281826390,107141741,387628955,224849215,6967754,866444111,602742426,279355497,508943810,343331898,979459326,793307102,455966229,25469363,826766689,657738639,756154604,3624695,470725288,231276098,312329365,236455213,601085495,901161015,894650449,114049054,362928234,386979036,997816103,289805123,737506189,14162538,62659548,506228345,54273740,609048943,753042874,344492349,989024750,366746787,394987571,778983779,851727632,210337196,315177422,599368778,25977209,991853918,994609967,575349415,973313674,49389215,466403812,82441236,289991756,855143395,698308420,188880105,436428039,492881183,408723908,859637374,808369065,505825384,951452262,500512522,49031023,260616058,412675227,29878651,764975785,713258160,766707885,905773713,803331189,371429170,737331920,445933418,187935799,780699748,660234457,923333660,163125870,3991476,684624305,80563352,804861409,757901773,815797860,364058973,553952872,83868974,354103106,817729704,877658636,359056292,682873215,293714317,344608141,872372077,214537860,217298111,938420095,302862755,395850518,113646516,883278906,19270208,31342527,844172795,187697925,176966527,636560065,258450659,949978853,129724336,954913,950540131,90605325,186631946,226981711,105359006,181835443,245338485,686744811,808138529,390019735,629602874,437310030,73691665,970863349,10430738,300281827,802245045,96008232,906169092,706334445,826784106,937262209,58085060,304794421,315103615,975683542,282183879,301612312,300834556,567473423,937290323,801586457,832860641,714013813,708233401,816547758,311568885,962305199,636346220,48160594,525040405,790758484,407154607,342774550,946149627,156959265,841250413,792270972,733904456,346966053,514349511,99984366,25454838,104677203,281329488,32508648,205004338,319090865,483562350,462880311,946781127,911773159,4283891,717681997,31503476,458983926,567255816,851122915,354893353,185438078,960458533,716425891,468399808,609153670,965785236,789059759,387255176,108224705,701918934,992656683,633400565,719576024,942140453,790523771,916291845,60217575,668677123,513047302,178909003,881482632,747296925,548026212,437155518,918951065,899946391,36670825,43744543,957469762,929269243,321900901,775543604,528255018,381350331,169838765,512634493,262044551,339271869,186968777,687740343,303338827,924265341,327625657,789825490,296589615,121000338,217147361,171989322,867046994,490484575,967284733,644960213,838526218,63126637,819577801,492741665,812501999,510950308,370290353,916660987,152233223,343799473,246311854,271361010,852694071,165393390,21985433,302780015,483975089,682610501,680128316,114644779,321935156,473979326,53102426,917041303,95249276,207172258,877643222,492897596,532702135,745391035,478657069,429707160,344857140,741626808,779734593,877891340,305583444,53635336,496442755,348421260,116164597,73903881,226879956,536841269,709515651,30514807,630057303,875410153,131384366,386541987,307321014,953786104,627500870,377329025,613973085,599685896,708543683,845486631,301196854,894553004,309986645,371930700,416322416,859917803,767790141,389995666,766570439,379943099,676511002,888140011,824619763,802932692,619700091,373451745,487012980,639054294,752243809,756614559,847645126,925139828,23001875,557583419,860551136,823495900,95460945,578471809,12029751,676216445,576368335,78835193,960033065,120815665,961431677,73146164,119895268,630786699,612866870,291993453,954958912,585347275,206526983,707764537,245423562,847549272,954421367,384826244,374116154,247001105,241289571,550507082,249360270,378750527,976517503,646654592,958797332,946033733,883122906,616017573,216046746,999340546,575014853,85104325,219092361,205951465,877002932,676290554,989326738,765080455,3258987,95568681,894658473,434360362,330810163,780882948,163787210,385914044,74434897,723091468,822439091,35784547,118654619,696559662,973737505,598245292,895487487,139066955,915276325,547380283,869544707,306032293,59434732,590393084,267469129,698611116};
#endif
Func<long, ModInteger> GetP = k =>
{
var id = k / ZS;
var t = k % ZS;
ModInteger ans = perm[(int)id];
var cur = ZS * id;
for (int i = 1; i <= t; i++)
{
ans *= cur + i;
}
return ans;
};
var T = sc.Integer();
for (int _ = 0; _ < T; _++)
{
var c = BigInteger.Parse(sc.Scan());
var p = BigInteger.Parse(sc.Scan());
if (p >= ModInteger.Mod || p * 2 - 1 > c)
{
IO.Printer.Out.WriteLine(0);
continue;
}
var U = c - p + 1;
var D = c - 2 * p + 1;
if (U - D >= ModInteger.Mod)
{
IO.Printer.Out.WriteLine(0);
continue;
}
var um = (long)(U % ModInteger.Mod);
var dm = (long)(D % ModInteger.Mod);
um = (um + ModInteger.Mod) % ModInteger.Mod;
dm = (dm + ModInteger.Mod) % ModInteger.Mod;
IO.Printer.Out.WriteLine(GetP(um) * ModInteger.Inverse(GetP(dm)));
}
}
public IO.StreamScanner sc = new IO.StreamScanner(Console.OpenStandardInput());
static T[] Enumerate<T>(int n, Func<int, T> f) { var a = new T[n]; for (int i = 0; i < n; ++i) a[i] = f(i); return a; }
static public void Swap<T>(ref T a, ref T b) { var tmp = a; a = b; b = tmp; }
}
}
#region main
static class Ex
{
static public string AsString(this IEnumerable<char> ie) { return new string(System.Linq.Enumerable.ToArray(ie)); }
static public string AsJoinedString<T>(this IEnumerable<T> ie, string st = " ") { return string.Join(st, ie); }
static public void Main()
{
var solver = new Program.Solver();
solver.Solve();
Program.IO.Printer.Out.Flush();
}
}
#endregion
#region Ex
namespace Program.IO
{
using System.IO;
using System.Text;
using System.Globalization;
public class Printer : StreamWriter
{
static Printer() { Out = new Printer(Console.OpenStandardOutput()) { AutoFlush = false }; }
public static Printer Out { get; set; }
public override IFormatProvider FormatProvider { get { return CultureInfo.InvariantCulture; } }
public Printer(System.IO.Stream stream) : base(stream, new UTF8Encoding(false, true)) { }
public Printer(System.IO.Stream stream, Encoding encoding) : base(stream, encoding) { }
public void Write<T>(string format, T[] source) { base.Write(format, source.OfType<object>().ToArray()); }
public void WriteLine<T>(string format, T[] source) { base.WriteLine(format, source.OfType<object>().ToArray()); }
}
public class StreamScanner
{
public StreamScanner(Stream stream) { str = stream; }
public readonly Stream str;
private readonly byte[] buf = new byte[1024];
private int len, ptr;
public bool isEof = false;
public bool IsEndOfStream { get { return isEof; } }
private byte read()
{
if (isEof) return 0;
if (ptr >= len) { ptr = 0; if ((len = str.Read(buf, 0, 1024)) <= 0) { isEof = true; return 0; } }
return buf[ptr++];
}
public char Char() { byte b = 0; do b = read(); while ((b < 33 || 126 < b) && !isEof); return (char)b; }
public string Scan()
{
var sb = new StringBuilder();
for (var b = Char(); b >= 33 && b <= 126; b = (char)read())
sb.Append(b);
return sb.ToString();
}
public string ScanLine()
{
var sb = new StringBuilder();
for (var b = Char(); b != '\n'; b = (char)read())
if (b == 0) break;
else if (b != '\r') sb.Append(b);
return sb.ToString();
}
public long Long()
{
if (isEof) return long.MinValue;
long ret = 0; byte b = 0; var ng = false;
do b = read();
while (b != 0 && b != '-' && (b < '0' || '9' < b));
if (b == 0) return long.MinValue;
if (b == '-') { ng = true; b = read(); }
for (; true; b = read())
{
if (b < '0' || '9' < b)
return ng ? -ret : ret;
else ret = ret * 10 + b - '0';
}
}
public int Integer() { return (isEof) ? int.MinValue : (int)Long(); }
public double Double() { var s = Scan(); return s != "" ? double.Parse(s, CultureInfo.InvariantCulture) : double.NaN; }
private T[] enumerate<T>(int n, Func<T> f)
{
var a = new T[n];
for (int i = 0; i < n; ++i) a[i] = f();
return a;
}
public char[] Char(int n) { return enumerate(n, Char); }
public string[] Scan(int n) { return enumerate(n, Scan); }
public double[] Double(int n) { return enumerate(n, Double); }
public int[] Integer(int n) { return enumerate(n, Integer); }
public long[] Long(int n) { return enumerate(n, Long); }
}
}
#endregion
#region ModNumber
public partial struct ModInteger
{
public const long Mod = (long)1e9 + 7;
public long num;
public ModInteger(long n) : this() { num = n % Mod; if (num < 0) num += Mod; }
public override string ToString() { return num.ToString(); }
public static ModInteger operator +(ModInteger l, ModInteger r) { var n = l.num + r.num; if (n >= Mod) n -= Mod; return new ModInteger() { num = n }; }
public static ModInteger operator -(ModInteger l, ModInteger r) { var n = l.num + Mod - r.num; if (n >= Mod) n -= Mod; return new ModInteger() { num = n }; }
public static ModInteger operator *(ModInteger l, ModInteger r) { return new ModInteger(l.num * r.num); }
public static ModInteger operator ^(ModInteger l, long r) { return ModInteger.Pow(l, r); }
public static implicit operator ModInteger(long n) { return new ModInteger(n); }
public static ModInteger Pow(ModInteger v, long k)
{
ModInteger ret = 1;
var n = k;
for (; n > 0; n >>= 1, v *= v)
{
if ((n & 1) == 1)
ret = ret * v;
}
return ret;
}
}
#endregion
#region Inverse
public partial struct ModInteger
{
static public ModInteger Inverse(ModInteger v)
{
long p, q;
ExGCD(v.num, Mod, out p, out q);
return new ModInteger(p % Mod + Mod);
}
static public long ExGCD(long a, long b, out long x, out long y)
{
var u = new long[] { a, 1, 0 };
var v = new long[] { b, 0, 1 };
while (v[0] != 0)
{
var t = u[0] / v[0];
for (int i = 0; i < 3; i++)
{
var tmp = u[i] - t * v[i];
u[i] = v[i];
v[i] = tmp;
}
}
x = u[1];
y = u[2];
if (u[0] > 0)
return u[0];
for (int i = 0; i < 3; i++)
u[i] = -u[i];
return u[0];
}
}
#endregion