結果
問題 | No.1126 SUM |
ユーザー | dot_haraai |
提出日時 | 2021-03-26 19:58:51 |
言語 | Nim (2.0.2) |
結果 |
AC
|
実行時間 | 120 ms / 1,000 ms |
コード長 | 1,233 bytes |
コンパイル時間 | 4,617 ms |
コンパイル使用メモリ | 75,064 KB |
実行使用メモリ | 26,700 KB |
最終ジャッジ日時 | 2023-08-19 04:39:14 |
合計ジャッジ時間 | 9,786 ms |
ジャッジサーバーID (参考情報) |
judge13 / judge15 |
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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 | 120 ms
26,640 KB |
testcase_01 | AC | 106 ms
26,700 KB |
testcase_02 | AC | 106 ms
26,620 KB |
testcase_03 | AC | 104 ms
26,636 KB |
testcase_04 | AC | 104 ms
26,656 KB |
testcase_05 | AC | 98 ms
26,652 KB |
testcase_06 | AC | 103 ms
26,660 KB |
testcase_07 | AC | 109 ms
26,616 KB |
testcase_08 | AC | 113 ms
26,624 KB |
testcase_09 | AC | 104 ms
26,620 KB |
testcase_10 | AC | 104 ms
26,620 KB |
testcase_11 | AC | 104 ms
26,628 KB |
testcase_12 | AC | 105 ms
26,624 KB |
testcase_13 | AC | 101 ms
26,624 KB |
testcase_14 | AC | 101 ms
26,664 KB |
testcase_15 | AC | 106 ms
26,576 KB |
testcase_16 | AC | 111 ms
26,600 KB |
testcase_17 | AC | 106 ms
26,636 KB |
testcase_18 | AC | 109 ms
26,620 KB |
testcase_19 | AC | 109 ms
26,616 KB |
testcase_20 | AC | 106 ms
26,636 KB |
testcase_21 | AC | 99 ms
26,596 KB |
testcase_22 | AC | 111 ms
26,672 KB |
testcase_23 | AC | 117 ms
26,620 KB |
testcase_24 | AC | 105 ms
26,604 KB |
testcase_25 | AC | 108 ms
26,624 KB |
コンパイルメッセージ
/home/judge/data/code/Main.nim(2, 18) Warning: Use the new 'sugar' module instead; future is deprecated [Deprecated] /home/judge/data/code/Main.nim(1, 8) Warning: imported and not used: 'times' [UnusedImport] /home/judge/data/code/Main.nim(2, 26) Warning: imported and not used: 'strformat' [UnusedImport] /home/judge/data/code/Main.nim(2, 18) Warning: imported and not used: 'future' [UnusedImport] /home/judge/data/code/Main.nim(2, 37) Warning: imported and not used: 'deques' [UnusedImport] /home/judge/data/code/Main.nim(1, 41) Warning: imported and not used: 'algorithm' [UnusedImport] /home/judge/data/code/Main.nim(1, 52) Warning: imported and not used: 'tables' [UnusedImport] /home/judge/data/code/Main.nim(1, 60) Warning: imported and not used: 'sets' [UnusedImport] /home/judge/data/code/Main.nim(1, 66) Warning: imported and not used: 'lists' [UnusedImport] /home/judge/data/code/Main.nim(1, 73) Warning: imported and not used: 'intsets' [UnusedImport] /home/judge/data/code/Main.nim(2, 8) Warning: imported and not used: 'critbits' [UnusedImport]
ソースコード
import times, strutils, sequtils, math, algorithm, tables, sets, lists, intsets import critbits, future, strformat, deques template `max=`(x,y) = x = max(x,y) template `min=`(x,y) = x = min(x,y) template `mod=`(x,y) = x = x mod y template scan2 = (scan(), scan()) template scan3 = (scan(), scan()) let read* = iterator: string {.closure.} = while true: (for s in stdin.readLine.split: yield s) proc scan(): int = read().parseInt proc scanf(): float = read().parseFloat proc toInt(c:char): int = return int(c) - int('0') # combination # コンビネーションの計算 var D = 1E9.int+7 m:int = 1E6.int fac:seq[int] finv:seq[int] inv:seq[int] proc comInit()= fac = newseqwith(m,1) finv = newseqwith(m,1) inv = newseqwith(m,1) for i in 2..<m: fac[i] = fac[i-1]*i mod D inv[i] = D - inv[D mod i] * (D div i) mod D finv[i] = finv[i-1] * inv[i] mod D proc com(n,k:int):int= if n<k:return 0 elif n<0 or k<0: return 0 else: return fac[n] * (finv[k]*finv[n-k] mod D) mod D proc H(n,r:int):int= return com(n+r-1,r) comInit() proc solve():int= var (n,m) = (scan(),scan()) md = 10^9+7 for i in n..m: result+=com(i,n) result.mod=md echo solve()