problem_id
stringclasses
428 values
submission_id
stringlengths
10
10
status
stringclasses
2 values
code
stringlengths
5
816
p03107
s464777243
Wrong Answer
def solve(): S = input() one,zero = 0,0 for s in S: if s=='0': zero += 1 else: if zero>0: one += 1 ans = min(one,zero)*2 return ans print(solve())
p03951
s441665828
Accepted
N = int(input()) s = input() t = input() lcm = 0 for i in range(N): f = False c = 0 idx = 0 for j in range(i, N): if s[j] == t[idx]: c += 1 else: break idx += 1 lcm = max(lcm, c) print(N*2-lcm)
p02701
s668978712
Wrong Answer
x, lists, d = eval(input()), list(map(str, input().split())), {} for item in lists: if item in d: d[item] += 1 else: d[item] = 1 print(len(d))
p03387
s121733334
Accepted
a, b, c = map(int, input().strip().split(" ")) m = max(a, b, c) if (m*3) % 2 == (a+b+c) % 2: M = m * 3 else: M = (m+1) * 3 M -= (a+b+c) print(M//2)
p02628
s372127962
Wrong Answer
N,K=map(int,input().split()) a=map(int,input().split()) ans = sorted(a) answer = ans[:3] aaa = sum(answer) print(aaa)
p02630
s951230750
Accepted
from collections import Counter n=int(input()) a=list(map(int,input().split())) q=int(input()) S = [list(map(int, input().split())) for _ in range(q)] C=Counter(a) #print(C) ans=0 for k,v in C.items(): ans+=k*v #print(ans) for i in range(q): if S[i][0] in C: if C[S[i][0]]>=1: ans+=(S[i][1]-S[i][0])*C[S[i][0]] C[S[i][1]]+=C[S[i][0]] C[S[i][0]]=0 print(ans)
p03284
s934558974
Accepted
n, k = map(int, input().split()) if n%k==0: print(0) else: print(1)
p03814
s196294973
Wrong Answer
s = input() for i in range(len(s)): if s[i] == "A": st = i-1 break for i in range(len(s)): if s[-i] == "Z": en = len(s)-i break; print(en - st)
p03862
s892680733
Wrong Answer
n,x = list(map(int,input().split())) a = list(map(int,input().split())) op=0 for i in range(len(a)-1): s = a[i]+a[i+1] if (s < x): continue else: diff = s - x op += diff if a[i] >= a[i+1]: a[i] -= diff else: a[i+1] -= diff print(op)
p02555
s248070389
Wrong Answer
from operator import mul from functools import reduce def combinations_count(n, r): r = min(r, n - r) numer = reduce(mul, range(n, n - r, -1), 1) denom = reduce(mul, range(1, r + 1), 1) return numer // denom N = int(input()) ans = 0 amari = int(N % 3) shou = int(N // 3) for i in range(shou): ans = (ans + combinations_count((amari + shou - 1), amari)) % (10**9 + 7) amari += 3 shou -= 1 print(ans) print(ans)
p03797
s735798176
Wrong Answer
import sys;input = lambda : sys.stdin.readline() n,m = map(int,input().split()) print(n+(m-2*n)//4)
p02706
s358528123
Accepted
N, M = map(int, input().split()) A = list(map(int, input().split())) homework = sum(A) if sum(A) <= N: print(N - sum(A)) else: print(-1)
p02775
s288649046
Accepted
s = input() s = '0' + s[::-1] dp = [[0, 0] for _ in range(len(s) + 1)] for i in range(len(s)): for j in range(2): if j == 0: #ぴったり dp[i + 1][j] = min(dp[i]) + int(s[i]) else: #1枚多めに払う dp[i + 1][j] = min(dp[i][1] + 9 - int(s[i]), dp[i][0] + 11 - int(s[i])) print(min(dp[-1]))
p03252
s640245162
Accepted
s = str(input()) t = str(input()) ds = {} dt = {} for i in range(len(s)): if s[i] not in ds: ds[s[i]] = 1 else: ds[s[i]] += 1 for i in range(len(t)): if t[i] not in dt: dt[t[i]] = 1 else: dt[t[i]] += 1 vs = list(ds.values()) vt = list(dt.values()) vs.sort() vt.sort() #print(vs) #print(vt) if vs == vt: print('Yes') else: print('No')
p03211
s044402814
Accepted
s = input() dlist = [] for i in range(len(s)-2): x = s[i:i+3] x = int(x) d = x - 753 if d < 0: d = -d dlist.append(d) else: dlist.append(d) print(min(dlist))
p02583
s196764683
Wrong Answer
N = input() L_list = [int(l) for l in input().split()] L_list = list(set(sorted(L_list)))[::-1] count = 0 for i in range(len(L_list)): for j in range(i, len(L_list)): for k in range(i, len(L_list)): if L_list[i] + L_list[j] > L_list[k]: if L_list[i] != +L_list[j] and L_list[k] != L_list[j] and L_list[k] != L_list[i]: count += 1 print(count)
p02682
s602830386
Wrong Answer
A, B, C, K = map(int, input().split()) ans = 0 if A + B >= K: print(A) else: print(A - (K-(A+B)))
p02811
s757525363
Accepted
k, x = map(int, input().split()) if ((500 * k) >= x): print("Yes") else: print("No")
p03556
s390429807
Accepted
def actual(N): for i in range(N, 0, -1): is_square_number = (i ** 0.5) % 1 == 0 if is_square_number: return i N = int(input()) print(actual(N))
p03419
s683499898
Accepted
def myAnswer(N:int,M:int) -> int: if(N == 1 and M == 1): return 1 if(min(N,M) == 1): return max(N,M) - 2 if(min(N,M) == 2): return 0 return N*M - (max(N,M) * 2 + (min(N,M) - 2) * 2) def modelAnswer(): return def main(): N,M = map(int,input().split()) print(myAnswer(N,M)) if __name__ == '__main__': main()
p03416
s992786963
Accepted
A, B = map(int, input().split()) ans = 0 for i in range(A, B+1): s = list(str(i)) s.reverse() s = ''.join(s) if s == str(i): ans += 1 print(ans)
p02957
s671048133
Accepted
import sys def main(): A, B = map(int, input().split()) ab = abs(A+B) if ab % 2 == 1: print('IMPOSSIBLE') else: print(ab // 2) return if __name__ == "__main__": main() sys.exit(0)
p03657
s586053647
Wrong Answer
a=list(map(int,input().split())) b=sum(a) if (b%3 ==0 or a[0]%3 ==0 or a[1]==0) : print('Possible') else : print('Impossible')
p02701
s419548766
Accepted
N = int(input()) S = {} for i in range(N): temp = input() S[temp] = 1 ans = 0 for i in S: ans += 1 print(ans)
p03487
s193514189
Accepted
N = int(input()) A = list(map(int,input().split())) B = (10**5+1)*[0] ans = 0 for a in A: if a<=10**5: B[a]+=1 else: ans+=1 for n in range(10**5): if B[n]<n: ans+=B[n] elif n<B[n]: ans+=B[n]-n print(ans)
p02848
s690267832
Wrong Answer
N = int(input()) S = input() arr = "ABCDEFGHIJKLMNOPQRSTUVWXYZABCDEFGHIJKLMNOPQRSTUVWXYZABCDEFGHIJKLMNOPQRSTUVWXYZ" c = "" for s in S: c = c + arr[arr.find(s)+2:arr.find(s)+3] print(c)
p02694
s207913485
Accepted
x = int(input()) m = 100 r = 1.01 i = 0 while m < x: m = int(m*1.01) i += 1 print(i)
p03289
s184973748
Wrong Answer
S = list(input()) C = S[2:-1] if S[0] == "A" and "C" in C: print("AC") else: print("WA")
p02783
s948700926
Accepted
H, A = map(int,input().split()) count = 0 while H > 0: H -= A count += 1 print(count)
p02811
s731358286
Wrong Answer
a,b = map(int,input().split()) #L = list()map(int,input().split()) if a*500 >= b: print("YES") else: print("NO")
p02775
s256307354
Wrong Answer
ans = 0 for s in reversed(input()): n = int(s) if n < 6: ans += n else: ans += (10 - n) + 1 print(ans)
p03030
s560120128
Accepted
n = int(input()) sp = [] for i in range(n): s, p = input().split() sp.append([s, int(p)]) sorted_sp = sorted(sp, key=lambda x: x[1], reverse=True) sorted_sp = sorted(sorted_sp, key=lambda x: x[0]) for i in range(n): print(sp.index(sorted_sp[i]) + 1)
p03061
s640738335
Wrong Answer
from fractions import gcd n=int(input()) A=list(map(int,input().split())) L=[0]*n R=[0]*n L[0]=A[0] R[n-1]=A[n-1] res=0 for i in range(1,n): L[i]=gcd(L[i-1],A[i-1]) for i in range(0,n-1): R[n-i-2]=gcd(R[n-i-1],A[n-i-1]) for i in range(1,n-1): res=max(res,gcd(L[i-1],R[i+1])) res=max(res,L[n-1],R[0]) print(res)
p02795
s693814164
Wrong Answer
h = int(input()) w = int(input()) n = int(input()) print(n//max(h,w))
p02677
s357724851
Accepted
import math a, b, h, m = map(int, input().split()) C = 2 * math.pi * (60*h - 11*m) / 720 c = a**2 + b**2 - 2*a*b*math.cos(C) print(math.sqrt(c))
p02880
s357543669
Accepted
def yes_no(flg): """ if True return Yes if False return No """ if flg: print('Yes') else: print('No') n = int(input()) flg = False for y in range(1,10): for x in range(1,10): if y * x == n: flg = True yes_no(flg)
p03352
s873240285
Accepted
x=int(input()) a=[] for i in range(2,11): for j in range(1,32): a.append(j**i) a=[l for l in a if l <= x] print(max(a))
p03219
s604622838
Wrong Answer
X,Y=list(map(int,input().split())) print(X+Y/2)
p03994
s704690653
Wrong Answer
s=list(input()) k=int(input()) cnt=0 for i in range(len(s)): num_al=ord(s[i]) a_=123-num_al if k==0:break if s[i]=='a':continue if a_<=k: k-=a_ s[i]='a' elif a_>k and i<len(s)-1:continue else: s[i]=chr(num_al+k) k=0 print(''.join(s))
p02618
s709874104
Wrong Answer
for i in range(1,26): print(i)
p02947
s382694087
Accepted
N=int(input()) ans=0 li=[] for i in range(N): s=list(input()) s.sort() li.append(s) li.sort() temp=1 for j in range(N-1): if li[j]==li[j+1]: temp+=1 else: ans+=temp*(temp-1)//2 temp=1 ans+=temp*(temp-1)//2 print(ans)
p03774
s049425673
Accepted
import numpy as np N, M = map(int, input().split()) ab = [] for i in range(N): tmp = list(map(int, input().split())) ab.append(tmp) ab = np.array(ab) dist = np.full([N, M], np.inf) for m in range(M): tmp = np.array(list(map(int, input().split()))) for n in range(N): dist[n, m] = np.abs(ab[n] - tmp).sum() dist = dist.astype("int") for d in dist: print(d.argmin()+1)
p02594
s191086082
Accepted
print('Yes' if int(input()) >= 30 else 'No')
p03796
s890799428
Accepted
import math print(math.factorial(int(input()))%(10**9+7))
p03815
s829349659
Accepted
n = int(input()) q, r = divmod(n, 11) if r == 0: print(q*2) elif r <= 6: print(q*2 + 1) else: print(q*2 + 2)
p03352
s664648055
Accepted
def solve(): X = int(input()) ans = 1 for b in range(1, X): for p in range(2, X): if b ** p <= X: ans = max(ans, b ** p) else: break print(ans) if __name__ == "__main__": solve()
p02880
s351359892
Accepted
n=int(input()) ln=[1,2,3,4,5,6,7,8,9] ls=[] for i in ln: for j in ln: ls.append(i*j) if n in ls: print("Yes") else: print("No")
p02726
s081232679
Accepted
from itertools import combinations from collections import Counter N, X, Y = map(int, input().split()) C = Counter(min(abs(i - j), abs(X - i) + abs(Y - j) + 1, abs(X - j) + abs(Y - i) + 1) for i, j in combinations(range(1, N + 1), 2)) print("\n".join(str(C[k]) for k in range(1, N)))
p03472
s761121269
Accepted
n,h=map(int,input().split()) x=[] for i in range(n): a,b=map(int,input().split()) x.append([a,0]) x.append([b,1]) x.sort(reverse=1) i=ans=0 while h>0: if x[i][1]: h-=x[i][0] ans+=1 else: ans+=0--h//x[i][0] h=0 i+=1 print(ans)
p02665
s451483584
Wrong Answer
N = int(input()) A = list(map(int, input().split())) import math ans=0 for i in range(N, 0, -1): if A[i]>2**(i): ans=-1 break if i!=0: q=math.ceil(A[i]/2) if q==0: q=1 print(A[i]+q) ans=ans+A[i]+q print(ans)
p02754
s357755233
Accepted
n, a, b = map(int, input().split()) result = 0 result += (n // (a+b))*a result += min(a, n%(a+b)) print(result)
p03644
s191684552
Accepted
N = int(input()) for i in range(1, 8): if 2**i > N: print(2**(i-1)) exit()
p02699
s816495382
Accepted
S, W = map(int, input().split()) if W >= S: print('unsafe') else: print('safe')
p02547
s192099873
Wrong Answer
N = int(input()) cnt = [] for i in range(N): a, b = map(int, input().split()) if a == b: cnt.append(1) else: cnt.append(0) from itertools import groupby for key, group in groupby(cnt): if len(list(group)) >= 3: print('Yes') exit() print('No')
p03324
s333853476
Accepted
import sys, re, os from collections import deque, defaultdict, Counter from math import ceil, sqrt, hypot, factorial, pi, sin, cos, radians from itertools import permutations, combinations, product, accumulate from operator import itemgetter, mul from copy import deepcopy from string import ascii_lowercase, ascii_uppercase, digits from fractions import gcd def input(): return sys.stdin.readline().strip() def STR(): return input() def INT(): return int(input()) def MAP(): return map(int, input().split()) def S_MAP(): return map(str, input().split()) def LIST(): return list(map(int, input().split())) def S_LIST(): return list(map(str, input().split())) sys.setrecursionlimit(10 ** 9) inf = sys.maxsize mod = 10 ** 9 + 7 d, n = MAP() m = 100 ** d * n if n == 100: m = 100 ** d * 101 print(m)
p02729
s121769838
Accepted
import math N,M = map(int,input().split()) ans_N=0 ans_M=0 if N != 0: ans_N=(N*(N-1))//2 if M != 0: ans_M=(M*(M-1))//2 print(ans_N+ans_M)
p03478
s784988964
Wrong Answer
N, A, B = map(int, input().split()) ans = 0 for i in range(1, 1+N): s = str(i) if A <= sum(map(int, s)) <= B: ans += 1 print(ans)
p02881
s520677768
Wrong Answer
N = int(input()) X=10**12 Y=10**12 flag = 0 for i in range(2,int(N**0.5)): if N%i==0: flag = 1 temp = N//i if X+Y > temp+i: X = i Y = temp if flag==0: X = N Y = 1 print(X+Y-2)
p03437
s094957713
Accepted
''' Created on 2020/08/20 @author: harurun ''' def main(): import sys pin=sys.stdin.readline pout=sys.stdout.write perr=sys.stderr.write X,Y=map(int,pin().split()) if X%Y==0: print(-1) return print(X) return main()
p02818
s830818439
Accepted
a, b, k = map(int, input().split()) if k<=a: print(a-k, b) elif a<k and k<=(a+b): print(0, b-(k-a)) else: print(0, 0)
p03495
s867874906
Accepted
from collections import defaultdict n,k=map(int,input().split()) l=list(map(int,input().split())) a=defaultdict(int) for i in l: a[i] += 1 a=list(a.items()) if len(a) <= k: print(0) else: ans = 0 a.sort(key = lambda x: x[1]) for i in range(len(a) - k): ans += a[i][1] print(ans)
p02556
s358834224
Accepted
import sys def input(): return sys.stdin.readline().strip() def mapint(): return map(int, input().split()) sys.setrecursionlimit(10**9) N = int(input()) XY = [list(mapint()) for _ in range(N)] XY.sort(key=lambda x:x[0]+x[1]) ans_1 = abs(XY[0][0]-XY[-1][0])+abs(XY[0][1]-XY[-1][1]) XY.sort(key=lambda x:x[0]-x[1]) ans_2 = abs(XY[0][0]-XY[-1][0])+abs(XY[0][1]-XY[-1][1]) print(max(ans_1, ans_2))
p02555
s711746808
Accepted
import math n=int(input("")) mk=n//3 s=0 kaizyou=1 for i in range(1,mk+1): t=1 a=math.factorial(i-1) for k in range(i-1): t*=(n-2*i-1-k) t%=a*(10**9+7) t/=a t%=(10**9+7) s+=t s%=(10**9+7) print(int(s))
p03799
s569302530
Wrong Answer
n, m = map(int, input().split()) m += n * 2 print(m // 4)
p02693
s769136112
Accepted
k = int(input()) a, b = map(int, input().split()) f = False for i in range(1, 1001): t = i * k if a <= t and t <= b: f = True break if t > b: break if f: print('OK') else: print('NG')
p02696
s961342899
Accepted
a,b,n = map(int,input().split()) if n >= b-1: x = b-1 else: x = n ans = (a * x) // b - a * (x // b) print(ans)
p02663
s360124405
Accepted
H1,M1,H2,M2,K=map(int, input().split()) min=(H2-H1)*60+M2-M1 print(min-K)
p03261
s873142524
Accepted
N=int(input()) correct = True words = set({}) W = input() words.add(W) last_letter = W[len(W)-1] for i in range(1,N): W = input() if not W in words and W[0] == last_letter: words.add(W) last_letter = W[len(W)-1] else: correct = False break if correct: print('Yes') else: print('No')
p02957
s979470588
Wrong Answer
a,b = map(int, input().split()) print((a+b)/2) if (a+b)%2 == 0 else print("IMPOSSIBLE")
p03472
s731017804
Accepted
n,h=map(int,input().split()) a=[0]*n b=[0]*n for i in range(n): a[i],b[i]=map(int,input().split()) ab=sorted(a+b)[::-1] ans=0 for i in ab[:ab.index(max(a))]: h-=i ans+=1 if h<=0: print(ans) exit() ans+=(h+max(a)-1)//max(a) print(ans)
p02777
s836045314
Wrong Answer
s,t = map(str,input().split()) a,b = map(int,input().split()) u=input() if s==u: print(a-1) else: print(b-1)
p03815
s340762718
Wrong Answer
x = int(input()) a = x//11 b = x%11 if b > 6: print(2*a+2) else: print(2*a+1)
p03250
s850392768
Accepted
a = [int(x) for x in input().split()] a.sort(reverse=True) print(a[0]*10+a[1]+a[2])
p03486
s229293489
Wrong Answer
s = str(sorted(input())) t = str(sorted(input()))[::-1] print('Yes' if s < t else 'No')
p02817
s257891661
Accepted
st = input() list = (st.split()) print(list[1]+list[0])
p02922
s858247434
Wrong Answer
a,b = map(int, input().split()) res = 0 c = 1 while c < b: c += a - 1 res += 1 print(res)
p02861
s636284589
Wrong Answer
from math import sqrt,factorial n = int(input()) l = [] for i in range(n): d = list(map(int,input().split())) l.append(d) x = 2//n ans = 0 for i in range(n-1): for j in range(i+1,n): ans += x*sqrt(((l[i][0]-l[j][0])**2 + (l[i][1]-l[j][1])**2)) print(ans)
p03852
s842148904
Wrong Answer
a = str(input()) boin = ["a","e","i","o","u"] if a in boin: print("voewl") else: print("consonant")
p03679
s705117800
Accepted
x, a, b = map(int, input().split()) if -a+b <= 0: print('delicious') elif 0 < -a+b <= x: print('safe') else: print('dangerous')
p03804
s714956532
Accepted
n, m = map(int, input().split()) a = [] b = [] for _ in range(n): a.append(input()) for _ in range(m): b.append(input()) def detect(i, j): flag = True for k in range(len(b)): for l in range(len(b)): if i+k >= n or j+l >= n or a[i+k][j+l] != b[k][l]: flag = False break if not flag: break return flag ans = "No" for i in range(len(a)): for j in range(len(a)): if detect(i, j): ans = "Yes" break if ans == "Yes": break print(ans)
p02628
s044375741
Wrong Answer
n,k = map(int,input().split()) p = list(map(int,input().split())) p.sort() print(sum(p[:3]))
p03352
s434568752
Wrong Answer
x = int(input()) ans = 0 for i in range(x + 1): if i * i > x: break ans = i * i print(ans)
p02661
s562671706
Wrong Answer
N=int(input()) A=[] B=[] for i in range(N): a, b=map(int, input().split()) A.append(a) B.append(b) A.sort() B.sort() if N%2==0: sca=scb=N//2-1 lca=lcb=N//2 x=A[lca]+A[sca] y=B[lcb]+B[lcb] print(x-y+1) else: ca=cb=N//2 ans=B[cb]-A[ca]+1 print(ans)
p03795
s492264368
Accepted
n = int(input()) print(800 * n - 200 * int(n / 15))
p03387
s762318609
Wrong Answer
a, b, c = map(int, input().split()) max_num = max(a, b, c) if max_num % 2 == 0: max_num += 1 print(int((max_num * 3 - (a + b + c)) / 2))
p02690
s211201892
Wrong Answer
X = int(input()) for A in range(10**18): diff = X - A**5 if diff < 0: minus_flg = False diff = abs(diff) else: minus_flg = True B = pow(diff, 0.2) if (isinstance(B, float)) and B.is_integer(): break if minus_flg: B = int(B)*-1 print(A, int(B))
p03095
s819899313
Wrong Answer
n = int(input()); s = input() a = [0]*26; b = 1 for i in range(n): a[ord(s[i])-97] += 1 for i in range(26): b *= a[i]+1 print(b-1)
p04011
s452794299
Accepted
n = int(input()) k = int(input()) x = int(input()) y = int(input()) print(min(n, k) * x + max(n - k, 0) * y)
p02623
s616365723
Accepted
n,m,k = map(int,input().split()) A = list(map(int,input().split())) B = list(map(int,input().split())) a = [0] b = [0] for i in range(n): a.append(a[i] + A[i]) for i in range(m): b.append(b[i] + B[i]) ans = 0 j = m for i in range(0, n+1): if a[i] > k: break while b[j] > k - a[i]: j -= 1 ans = max(ans, i+j) print(ans)
p02948
s964518005
Wrong Answer
n, m = map(int, input().split()) d = [] for _ in range(n): a, b = map(int, input().split()) d.append((b, a)) d.sort(reverse=True) cnt = m ans = 0 i = 0 while i < min(n, m): if d[i][1] <= cnt: ans += d[i][0] i += 1 cnt -= 1 else: i += 1 print(ans)
p02784
s974702431
Accepted
H, N = map(int, input().split()) attacks = list(map(int, input().split())) if sum(attacks) >= H: print("Yes") else: print("No")
p02829
s998175519
Accepted
a = int(input()) b = int(input()) if a != 3 and b != 3: print(3) elif a != 2 and b != 2: print(2) else: print(1)
p02720
s831725745
Accepted
k = int(input()) lis = [1,2,3,4,5,6,7,8,9] i=0 while len(lis) < k: m = lis[i]%10 if m != 0: lis.append(int(str(lis[i])+str(m-1))) lis.append(int(str(lis[i])+str(m))) if m!= 9: lis.append(int(str(lis[i])+str(m+1))) i+=1 print(lis[k-1])
p03486
s702526442
Accepted
s=list(input()) t=list(input()) u=sorted(s) v=sorted(t,reverse=True) print("Yes" if u<v else "No")
p02972
s977161997
Accepted
n = int(input()) nums = [int(i) for i in input().split()] box = [0] * n for i in range(1, n + 1)[::-1]: c = i * 2 ball = nums[i - 1] while c <= n: ball = ball ^ box[c - 1] c += i box[i - 1] = ball ans = box.count(1) print(ans) ball = [] for i in range(n): if box[i] == 1: ball.append(i + 1) print(*ball)
p02817
s941507808
Accepted
s, t = map(str, input().split()) print(t+s)
p03544
s605833159
Accepted
n = int(input()) l = [2, 1] for i in range(2, n+1): l.append(l[i-2]+l[i-1]) print(l[-1])
p02747
s011374283
Wrong Answer
S=input() SET=set(list(S)) if ("h" in SET) and ("i" in SET) and len(SET)==2: print("Yes") else: print("No")
p02842
s167806257
Wrong Answer
N=int(input()) a=N/1080 if int(a*1080)==N: print(a) else: print(':(')
p03061
s926009372
Accepted
import math n = int(input()) a = list(map(int,input().split())) r ,l = [0] * (n),[0] * (n) l[0] = 0 r[n-1] = 0 for i in range(1,n): l[i] = math.gcd(l[i-1],a[i-1]) r[n-i-1] = math.gcd(r[n-i],a[n-i]) m = [0] * n for i in range(n): m[i] = math.gcd(l[i],r[i]) print(max(m))