結果
問題 |
No.195 フィボナッチ数列の理解(2)
|
ユーザー |
|
提出日時 | 2021-06-28 23:28:08 |
言語 | Python3 (3.13.1 + numpy 2.2.1 + scipy 1.14.1) |
結果 |
AC
|
実行時間 | 938 ms / 5,000 ms |
コード長 | 2,452 bytes |
コンパイル時間 | 204 ms |
コンパイル使用メモリ | 13,184 KB |
実行使用メモリ | 54,444 KB |
最終ジャッジ日時 | 2024-06-25 17:21:45 |
合計ジャッジ時間 | 26,320 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge3 |
外部呼び出し有り |
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ファイルパターン | 結果 |
---|---|
sample | AC * 3 |
other | AC * 22 |
ソースコード
import sys input = lambda : sys.stdin.readline().rstrip() sys.setrecursionlimit(2*10**5+10) write = lambda x: sys.stdout.write(x+"\n") debug = lambda x: sys.stderr.write(x+"\n") writef = lambda x: print("{:.12f}".format(x)) def solve(a,b,c,d,e,f): """ ax + by + c = 0 dx + ey + f = 0 """ v = (a*e-b*d) if v==0: # 縮退している if b!=0: return (0, -c/b) else: return (-c/a,0) x = - (c*e - f*b) / v y = (d*c - a*f) / v return (x,y) def solve(A,B): (a,b),(c,d) = A v = a*d-b*c assert v!=0 return (d*B[0]-b*B[1])/v, (-c*B[0]+a*B[1])/v import scipy.linalg import numpy as np x,y,z = list(map(int, input().split())) f = [1,0] for i in range(301): f.append(f[-2]+f[-1]) s = set([x,y,z]) ans = None if len(s)==1: a = 1 for i in range(50)[::-1]: if (x - f[i]) % f[i+1] == 0 and (x-f[i])//f[i+1]>0: b = (x-f[i])//f[i+1] ans = (a,b) break else: if x==1: ans = (1,1) else: ans = (1, x-1) elif len(s)==2: x,y = s ans = None for i in range(50): for j in range(50): if i==j: continue v1,v2 = solve(([[f[i], f[i+1]], [f[j], f[j+1]]]), ([x,y])) v1,v2 = int(v1+0.1), int(v2+0.1) if not (f[i]*v1 + f[i+1]*v2 == x and f[j]*v1 + f[j+1]*v2==y): continue if v1>0 and v2>0 and (ans is None or (v1,v2)<ans): ans = (v1,v2) if ans is None: aa = min(x,y) bb = max(x,y) ans = min((aa,bb), (bb-aa, aa), (aa, bb-aa)) else: x,y,z = s ans = None for i in range(50): for j in range(50): if i==j: continue try: v1,v2 = solve(([[f[i], f[i+1]], [f[j], f[j+1]]]), ([x,y])) except Exception: continue v1 = int(v1+0.1) v2 = int(v2+0.1) if not (f[i]*v1 + f[i+1]*v2 == x and f[j]*v1 + f[j+1]*v2==y): continue if not (v1>0 and v2>0): continue for k in range(50): if f[k]*v1 + f[k+1]*v2 == z: if v1>0 and v2>0: if (ans is None or (v1,v2)<ans): ans = (int(v1+0.1), int(v2+0.1)) if ans is None: ans = (-1,) print(*ans)