結果
問題 |
No.731 等差数列がだいすき
|
ユーザー |
|
提出日時 | 2021-06-08 20:34:15 |
言語 | Nim (2.2.0) |
結果 |
AC
|
実行時間 | 2 ms / 1,500 ms |
コード長 | 1,284 bytes |
コンパイル時間 | 5,076 ms |
コンパイル使用メモリ | 86,528 KB |
実行使用メモリ | 5,248 KB |
最終ジャッジ日時 | 2024-11-27 03:26:13 |
合計ジャッジ時間 | 5,663 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge3 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 3 |
other | AC * 18 |
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') proc solve()= var n = scan() a = newseqwith(n,scanf()) ans = newseqwith(n,0.0) proc lsq():(float,float)= var sum_xk_yk:float = 0.0 sum_xk:float = 0.0 sum_yk:float = 0.0 sum_xk_xk:float = 0.0 resa:float resb:float for k in 0..<n: sum_xk_yk += a[k]*((k).float) sum_xk += (k).float sum_yk += a[k] sum_xk_xk += ((k)^2).float resa = (n.float*sum_xk_yk-sum_xk*sum_yk) / (n.float*sum_xk_xk-sum_xk*sum_xk) resb = (sum_xk_xk*sum_yk-sum_xk_yk*sum_xk) / (n.float*sum_xk_xk-sum_xk*sum_xk) return (resa,resb) var (resa,resb) = lsq() for i in 0..<n: ans[i] = (resa*(i).float+resb-a[i])^2 #echo resa echo resb, " ", resa echo ans.sum() solve()