結果
問題 | No.1617 Palindrome Removal |
ユーザー | kyaneko999 |
提出日時 | 2021-07-22 21:22:37 |
言語 | PyPy3 (7.3.15) |
結果 |
WA
|
実行時間 | - |
コード長 | 3,131 bytes |
コンパイル時間 | 175 ms |
コンパイル使用メモリ | 82,912 KB |
実行使用メモリ | 88,716 KB |
最終ジャッジ日時 | 2024-07-17 16:09:27 |
合計ジャッジ時間 | 3,071 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge5 |
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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 | 105 ms
87,976 KB |
testcase_01 | AC | 104 ms
88,584 KB |
testcase_02 | AC | 102 ms
88,152 KB |
testcase_03 | AC | 101 ms
87,972 KB |
testcase_04 | AC | 105 ms
88,680 KB |
testcase_05 | AC | 96 ms
86,408 KB |
testcase_06 | AC | 72 ms
72,540 KB |
testcase_07 | AC | 68 ms
69,240 KB |
testcase_08 | AC | 57 ms
64,508 KB |
testcase_09 | AC | 57 ms
65,196 KB |
testcase_10 | AC | 100 ms
87,840 KB |
testcase_11 | AC | 94 ms
86,420 KB |
testcase_12 | AC | 101 ms
88,696 KB |
testcase_13 | AC | 100 ms
88,716 KB |
testcase_14 | AC | 56 ms
65,836 KB |
testcase_15 | AC | 57 ms
64,904 KB |
testcase_16 | AC | 58 ms
64,896 KB |
testcase_17 | AC | 58 ms
64,636 KB |
testcase_18 | WA | - |
testcase_19 | WA | - |
testcase_20 | AC | 59 ms
66,120 KB |
testcase_21 | AC | 58 ms
65,736 KB |
testcase_22 | AC | 58 ms
64,984 KB |
testcase_23 | AC | 60 ms
66,156 KB |
ソースコード
from sys import exit, stdin, setrecursionlimit from collections import deque, defaultdict, Counter from copy import deepcopy from bisect import bisect_left, bisect_right, insort_left, insort_right from heapq import heapify, heappop, heappush from itertools import product, permutations, combinations, combinations_with_replacement from functools import reduce from math import gcd, sin, cos, tan, asin, acos, atan, atan2, degrees, radians, ceil, floor, sqrt, factorial from math import pi as PI from random import randint # from decimal import Decimal setrecursionlimit(500000) INF = (1<<61)-1 EPS = 1e-10 MOD = 10**9+7 # MOD = 998244353 def input(): return stdin.readline().strip('\n') def intput(): return int(input()) def minput(): return input().split() def linput(): return input().split() def mint(): return map(int,input().split()) def lint(): return list(map(int,input().split())) def ilint(): return intput(),lint() def lcm(x,y): return x*y//gcd(x,y) def lgcd(l): return reduce(gcd,l) def llcm(l): return reduce(lcm,l) def powmod(n,i,mod=MOD): return pow(n,mod-1+i,mod) if i<0 else pow(n,i,mod) def div2(x): return x.bit_length() def div10(x): return len(str(x))-(x==0) def popcount(x): return bin(x).count('1') def digit(x,i,max_len=None): s = str(x) if max_len: i -= max_len-len(s) return int(s[i-1]) if i>0 else 0 def digitsum(x): ans = 0 for i in range(div10(x)): ans += digit(x,i+1) return ans def pf(x,mode='counter'): C = Counter() p = 2 while x>1: k = 0 while x%p==0: x //= p k += 1 if k>0: C[p] += k p = p+2-(p==2) if p*p<x else x if mode=='counter': return C S = set([1]) for k in C: T = set() for x in S: for i in range(C[k]+1): T.add(x*(k**i)) S = T if mode=='set': return S if mode=='list': return sorted(S) def isprime(x): if x<2: return False return len(pf(x,'set'))==2 def matmul(A, B): # import numpy A1, A2 = A >> 15, A & (1 << 15) - 1 B1, B2 = B >> 15, B & (1 << 15) - 1 X = np.dot(A1, B1) % MOD Y = np.dot(A2, B2) Z = np.dot(A1 + A2, B1 + B2) - X - Y return ((X << 30) + (Z << 15) + Y) % MOD def matpow(A, N): P = np.eye(A.shape[0], dtype=np.int64) while N: if N & 1: P = matmul(P, A) A = matmul(A, A) N >>= 1 return P def zash(S): lis = sorted(S) dic = {} for i,x in enumerate(lis): dic[x] = i return lis, dic def pr(*x): print(*x, sep='', end='') if len(x) else print() def lprint(l): for x in l: print(x) def ston(c, c0='a'): return ord(c)-ord(c0) def ntos(x, c0='a'): return chr(x+ord(c0)) def judge(x, l=['Yes', 'No']): print(l[0] if x else l[1]) def debug(*x, flag=1): if flag: print(*x) ###################################################### S=input() if S!=S[::-1]: print(len(S)) elif all([S[0]==s for s in S]): print(-1 if len(S)%2 else 0) else: print(len(S)-2)