結果
| 問題 | No.148 試験監督（3） |
| ユーザー |
 kei
|
| 提出日時 | 2018-08-18 15:34:50 |
| 言語 | PyPy2 (7.3.15) |
| 結果 |
RE
|
| 実行時間 | - |
| コード長 | 23,938 bytes |
| コンパイル時間 | 1,624 ms |
| コンパイル使用メモリ | 76,700 KB |
| 実行使用メモリ | 76,988 KB |
| 最終ジャッジ日時 | 2024-04-23 15:46:16 |
| 合計ジャッジ時間 | 3,267 ms |
|
ジャッジサーバーID （参考情報） |
judge3 / judge1 |
（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 | RE | - |
| testcase_01 | RE | - |
| testcase_02 | RE | - |
| testcase_03 | RE | - |
| testcase_04 | RE | - |
| testcase_05 | RE | - |
| testcase_06 | RE | - |
| testcase_07 | RE | - |
| testcase_08 | RE | - |
| testcase_09 | AC | 79 ms
76,416 KB |
| testcase_10 | AC | 80 ms
76,552 KB |
| testcase_11 | AC | 73 ms
75,296 KB |
ソースコード
'''
<url:https://yukicoder.me/problems/no/148>
問題文============================================================
=================================================================
解説=============================================================
================================================================
*/
'''
import sys
import math
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[970000000,492741665],
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[978000000,536841269],
[979000000,131384366],
[980000000,377329025],
[981000000,301196854],
[982000000,859917803],
[983000000,676511002],
[984000000,373451745],
[985000000,847645126],
[986000000,823495900],
[987000000,576368335],
[988000000,73146164],
[989000000,954958912],
[990000000,847549272],
[991000000,241289571],
[992000000,646654592],
[993000000,216046746],
[994000000,205951465],
[995000000,3258987],
[996000000,780882948],
[997000000,822439091],
[998000000,598245292],
[999000000,869544707],
[1000000000,698611116],
[1001000000,0]
]
T = input()
MOD = 1000000007
def fact(x):
ret = facts[x/1000000][1]
cur = facts[x/1000000][0]
for i in range(1,len(facts)):
if x < facts[i][0]:
cur = facts[i-1][0]
ret = facts[i-1][1]
break
for i in range(cur+1,x+1):
ret = ret*i%MOD
return ret
def mult(L,R):
if L/MOD != R/MOD:
return 0
L%=MOD
R%=MOD
if L==0:
if R==0:
return 1
return 0
elif L==1:
return fact(R)
else:
return fact(R)*pow(fact(L-1),mo-2,mo)%MOD
for i in range(T):
C,P=map(int,raw_input().strip().split(" "))
if P*2-1>C:
print 0
else:
if P >= MOD:
print 0
else:
print mult(C-2*P+2,C-P+1) % MOD