#433594 (PyPy3) No.148 試験監督（3）

• 問題: No.148 試験監督（3）
• ユーザー: chocorusk
• 提出日時: 2020-02-22 22:37:08
• 言語: PyPy3 (7.3.15)
• 結果: RE (最新)
  AC
  (最初)
• 実行時間: -
• コード長: 9,859 bytes
• コンパイル時間: 330 ms
• コンパイル使用メモリ: 82,432 KB
• 実行使用メモリ: 68,096 KB
• 最終ジャッジ日時: 2024-10-09 22:40:28
• 合計ジャッジ時間: 2,144 ms
• ジャッジサーバーID （参考情報）: judge1 / judge5

入力	結果	実行時間; 実行使用メモリ
testcase_00	AC	86 ms; 60,672 KB
testcase_01	AC	79 ms; 60,544 KB
testcase_02	AC	135 ms; 60,416 KB
testcase_03	AC	132 ms; 60,160 KB
testcase_04	AC	161 ms; 60,160 KB
testcase_05	AC	132 ms; 60,032 KB
testcase_06	RE	-
testcase_07	RE	-
testcase_08	RE	-
testcase_09	RE	-
testcase_10	RE	-
testcase_11	AC	40 ms; 54,272 KB

ソースコード

f=[1,55098162,799018112,644524227,804570289,699421653,999080403,347644092,298264049,547915206,68604898,242165296,99769214,860919687,695517422,304751648,800304985,404296372,345504787,346396697,661521818,811907079,150066936,379369971,383295467,935785718,884263687,185573413,564595064,703180737,200891912,45268585,361946029,862561983,555223579,717470752,742784681,818749011,825255985,753131797,774984247,244818236,509057662,323909107,486700580,791867040,303567866,976227856,944323045,513842788,567328309,686789145,441779759,195814622,2372115,135277835,294954750,723496015,119271996,986547466,717213282,842873786,234208469,864111391,117175975,118474328,890000195,504224423,508111147,725796711,802878396,246336953,468479803,310148765,702396285,576460826,175957429,883569154,610938868,287010876,212131504,438039362,359800384,432795594,633410554,155137408,314936343,179257123,943713322,673162662,422288605,545194215,158939936,115503469,689488055,401702717,532814826,592763273,773200138,474494844,496413916,528795782,353056535,193856493,974131920,921613963,393169150,830738748,837700032,174096350,803328680,434966400,698398808,589644499,669724987,860591235,921625212,16363628,511768062,515388641,946983274,375285964,288822198,841563728,550332445,512378200,723231171,688050346,638916270,303773384,338440254,794857710,983752474,388318097,628785057,576616801,25029917,915971206,534292228,562759338,78040824,844961917,391581518,37735563,166114276,533068572,866703952,971782310,839681504,713554826,626185157,514984174,485251798,656102354,587843669,710027943,85325823,3718675,780721779,888259006,709912685,458901728,526677538,873562554,28552679,273046452,694930680,19258350,633408320,497294065,699279305,863781574,941853248,754504516,567820050,153017173,309672260,864251395,999648212,504204977,139941702,735693996,475650352,751284240,61380201,358232497,650878822,427480644,552589593,7500105,216677699,848980694,565479858,273508588,466692797,613411243,300912167,686394608,943827276,838125279,585515687,370926564,947737740,905550006,780384258,985335993,380437817,436417804,952004841,168955240,310513812,254079069,734838326,209059985,189848103,178192696,239063132,724829800,471021218,22656326,940110791,670514782,160800189,60164301,534784668,623973502,444037086,781751482,292944263,109226380,542920902,293050078,501265668,293547492,678045668,870103700,199000138,973807329,712358272,567141781,667220314,930560330,520238050,188798676,915219645,875218552,107463226,924068096,373354885,161687663,742633209,899649882,172223561,490032230,532248036,733461058,864357307,39004186,666796032,19300991,866949601,152723250,632980031,28154382,812475803,342290061,378814433,311792214,811932026,628385664,925729472,483891986,104909388,838245993,226415225,80497756,905742254,760776367,59951296,502463774,432422968,529614143,987845867,941009243,680208181,129640287,135701022,93697263,580002085,736790935,647149348,963929930,456358064,393498474,345303775,836988638,663009951,688270876,821556726,61653598,10436780,40516807,602622268,365808294,624854174,764883550,133418712,979879958,883675628,802594907,960259381,657818185,789571797,869941376,925271608,584915231,373203547,780879573,162303580,219381059,988122582,809692587,524697206,890686281,255441194,208655553,818176738,234316848,355059206,328134956,168206574,937157388,816978580,176422569,755437061,653448585,104372309,277493780,817870252,509736736,467977765,33347068,537441964,30292019,828581950,303478168,255296787,226318316,205744264,27632923,92186650,148892391,626052914,122285044,885244951,369494295,227491286,978201674,280638485,366898179,400916139,936093782,457514504,799178457,77262843,887662440,311502312,433979195,62200437,841399346,399849157,55933275,269778121,314076684,346937429,587781485,403077288,120051495,341462465,804288108,354008902,773347166,273225862,977284051,711403642,332515431,72546287,70463395,383292501,583203296,58684392,59801553,934861184,123659858,172225366,16490486,640104831,651484064,414057597,912563140,516388569,982284977,354948305,845441532,249139343,112170128,852836789,363141564,95948290,593351477,538225430,684921161,437291872,753187673,197482933,175217286,930569788,733325632,206283594,860092876,264612104,375479413,433058282,824726232,663285168,610355794,410260572,141034667,801620565,280447634,539012567,582334448,117111267,192909957,901437820,242191138,473245986,119617826,582524622,27271548,763258578,517785257,740102975,807353604,677357433,502074113,763360936,37227708,928062158,453067630,416392863,403468924,390966467,90780688,97580941,397618185,444801884,718494493,905625902,439144581,809645601,571259258,311262977,379698006,619843354,42160512,709478648,139908674,884941258,7778675,277356393,574397869,64807900,568439116,884254362,793527033,634827367,242270229,166836929,699666005,782871805,430576594,69423864,551852289,854389404,33130302,690600649,389114637,594444305,378027483,501626534,769371462,565727105,185366687,760889594,622679145,531967768,895838088,631099033,636979633,966288648,722632929,487185734,674289231,978197320,4221943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t=int(input())
mod=10**9+7
def fac(n):
    m=n&((1<<20)-1)
    q=n>>20
    ret=f[q]
    for i in range(m):
        ret=ret*(i+1+(q<<20))%mod
    return ret
for _ in range(t):
    c, p=map(int, input().split())
    if p>=mod or c<2*p-1:
        print(0)
    else:
        x=(c-2*p+2)%mod
        y=(c-p+1)%mod
        if x==0 or x>y:
            print(0)
        else:
            print(fac(y)*pow(fac(x-1), mod-2, mod)%mod)