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Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Given is an integer N. Find the number of positive integers less than or equal to N that have an odd number of digits (in base ten without leading zeros). Constraints * 1 \leq N \leq 10^5 Inp...
instruction
0
44,466
20
88,932
No
output
1
44,466
20
88,933
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Given is an integer N. Find the number of positive integers less than or equal to N that have an odd number of digits (in base ten without leading zeros). Constraints * 1 \leq N \leq 10^5 Inp...
instruction
0
44,467
20
88,934
No
output
1
44,467
20
88,935
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Given is an integer N. Find the number of positive integers less than or equal to N that have an odd number of digits (in base ten without leading zeros). Constraints * 1 \leq N \leq 10^5 Inp...
instruction
0
44,468
20
88,936
No
output
1
44,468
20
88,937
Provide a correct Python 3 solution for this coding contest problem. For a positive integer n, we denote the integer obtained by reversing the decimal notation of n (without leading zeroes) by rev(n). For example, rev(123) = 321 and rev(4000) = 4. You are given a positive integer D. How many positive integers N satis...
instruction
0
44,527
20
89,054
"Correct Solution: ``` def solve(k, d, fl): if k <= 1: if d == 0: return 10 ** k return 0 x = (-d) % 10 c = 9 - x + 1 - fl d -= 10 ** (k - 1) * x - x return c * solve(k - 2, abs(d) // 10, 0) d = int(input()) ans = 0 for i in range(1, 100): ans += solve(i, d, 1) prin...
output
1
44,527
20
89,055
Provide a correct Python 3 solution for this coding contest problem. For a positive integer n, we denote the integer obtained by reversing the decimal notation of n (without leading zeroes) by rev(n). For example, rev(123) = 321 and rev(4000) = 4. You are given a positive integer D. How many positive integers N satis...
instruction
0
44,528
20
89,056
"Correct Solution: ``` from collections import deque D=int(input()) def f(d,k): if 0<=k<=1: if d!=0: return "Unko" if k==1: return deque([0]) else: return deque([]) if d>=0: s=10-(d%10) else: s=-(d%10) if s==10: A=f(d//10,k-2) s=0 #print(d,s,d-s*(10**(k-1))+s) e...
output
1
44,528
20
89,057
Provide a correct Python 3 solution for this coding contest problem. For a positive integer n, we denote the integer obtained by reversing the decimal notation of n (without leading zeroes) by rev(n). For example, rev(123) = 321 and rev(4000) = 4. You are given a positive integer D. How many positive integers N satis...
instruction
0
44,529
20
89,058
"Correct Solution: ``` def result(letters, number, cant_zero): if letters <= 1: if number == 0: return 10 ** letters return 0 diff = (10 - number%10) % 10 variants = number % 10 - cant_zero if number % 10 == 0: variants = 10 - cant_zero number -= diff * (10**(lett...
output
1
44,529
20
89,059
Provide a correct Python 3 solution for this coding contest problem. For a positive integer n, we denote the integer obtained by reversing the decimal notation of n (without leading zeroes) by rev(n). For example, rev(123) = 321 and rev(4000) = 4. You are given a positive integer D. How many positive integers N satis...
instruction
0
44,530
20
89,060
"Correct Solution: ``` import sys input = lambda : sys.stdin.readline().rstrip() sys.setrecursionlimit(max(1000, 10**9)) write = lambda x: sys.stdout.write(x+"\n") d = int(input()) def main(d): from collections import defaultdict vals = defaultdict(int) vals2 = defaultdict(int) for i in range(10): ...
output
1
44,530
20
89,061
Provide a correct Python 3 solution for this coding contest problem. For a positive integer n, we denote the integer obtained by reversing the decimal notation of n (without leading zeroes) by rev(n). For example, rev(123) = 321 and rev(4000) = 4. You are given a positive integer D. How many positive integers N satis...
instruction
0
44,531
20
89,062
"Correct Solution: ``` import sys input = sys.stdin.readline D = int(input()) memo_F = [0] * 30 memo_T = [0] * 30 for x in range(10): for y in range(10): memo_T[y-x] += 1 if x != 0: memo_F[y-x] += 1 def F(K,D,allow_leading_zero): if K == 0: return 1 if D == 0 else 0 i...
output
1
44,531
20
89,063
Provide a correct Python 3 solution for this coding contest problem. For a positive integer n, we denote the integer obtained by reversing the decimal notation of n (without leading zeroes) by rev(n). For example, rev(123) = 321 and rev(4000) = 4. You are given a positive integer D. How many positive integers N satis...
instruction
0
44,532
20
89,064
"Correct Solution: ``` # (10-x) ways: (0,x)-(9-x,9) -> (x, -x) <- This should never happens when D > 0 # (x) ways: (10-x,0)-(9,x-1) -> (x-10, 10 - x) def solve(d, k, outer): if k <= 1: return 10**k if d == 0 else 0 # if d >= 10**k: # return 0 t = (-d)%10 # 10-d%10 doesn't work when d = 10 ...
output
1
44,532
20
89,065
Provide a correct Python 3 solution for this coding contest problem. For a positive integer n, we denote the integer obtained by reversing the decimal notation of n (without leading zeroes) by rev(n). For example, rev(123) = 321 and rev(4000) = 4. You are given a positive integer D. How many positive integers N satis...
instruction
0
44,533
20
89,066
"Correct Solution: ``` def solve(d, K): r = 1 for k in range(K,1,-2): if d >= 10**k: return 0 t = (-d)%10 d = abs((d-t*(10**(k-1)-1))//10) r *= 10-t-(K==k) return r*(10**(K%2)) if d == 0 else 0 D = int(input()) result = 0 l = len(str(D)) for k in range(l,2*l+1): result += solve(D, k) pri...
output
1
44,533
20
89,067
Provide a correct Python 3 solution for this coding contest problem. For a positive integer n, we denote the integer obtained by reversing the decimal notation of n (without leading zeroes) by rev(n). For example, rev(123) = 321 and rev(4000) = 4. You are given a positive integer D. How many positive integers N satis...
instruction
0
44,534
20
89,068
"Correct Solution: ``` D = int(input()) def table(i, k): if i == k: return list(range(9, -1, -1)) + [0]*9 else: return list(range(10, 0, -1)) + list(range(1, 10)) def nine(i): return 10**i - 1 def rec(d, i, k): res = 0 num = table(i, k) if i == 1: for j in range(-9, 1...
output
1
44,534
20
89,069
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. For a positive integer n, we denote the integer obtained by reversing the decimal notation of n (without leading zeroes) by rev(n). For example, rev(123) = 321 and rev(4000) = 4. You are given ...
instruction
0
44,538
20
89,076
No
output
1
44,538
20
89,077
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. For a positive integer n, we denote the integer obtained by reversing the decimal notation of n (without leading zeroes) by rev(n). For example, rev(123) = 321 and rev(4000) = 4. You are given ...
instruction
0
44,539
20
89,078
No
output
1
44,539
20
89,079
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Petya loves lucky numbers very much. Everybody knows that lucky numbers are positive integers whose decimal record contains only the lucky digits 4 and 7. For example, numbers 47, 744, 4 are luc...
instruction
0
44,820
20
89,640
No
output
1
44,820
20
89,641
Provide tags and a correct Python 3 solution for this coding contest problem. Inna loves digit 9 very much. That's why she asked Dima to write a small number consisting of nines. But Dima must have misunderstood her and he wrote a very large number a, consisting of digits from 1 to 9. Inna wants to slightly alter the...
instruction
0
44,915
20
89,830
Tags: combinatorics, greedy Correct Solution: ``` s=input() ans=1 n=len(s) c=1 for i in range(1,n): #print("i is",i,' and c is',c) if(int(s[i])+int(s[i-1])-2*int('0')==9): #print('s[i]+s[i-1]==9') c+=1 else: #print('else') if(c%2==1 and c>1): #print('c%2==1 and c>...
output
1
44,915
20
89,831
Provide tags and a correct Python 3 solution for this coding contest problem. Inna loves digit 9 very much. That's why she asked Dima to write a small number consisting of nines. But Dima must have misunderstood her and he wrote a very large number a, consisting of digits from 1 to 9. Inna wants to slightly alter the...
instruction
0
44,916
20
89,832
Tags: combinatorics, greedy Correct Solution: ``` a=input() ans=1 count=1 l=len(a) for i in range(l-1): if int(a[i])+int(a[i+1])==9: count+=1 else: if count%2: ans*=(count+1)//2 count=1 if count%2: ans*=(count+1)//2 print(ans) ```
output
1
44,916
20
89,833
Provide tags and a correct Python 3 solution for this coding contest problem. Inna loves digit 9 very much. That's why she asked Dima to write a small number consisting of nines. But Dima must have misunderstood her and he wrote a very large number a, consisting of digits from 1 to 9. Inna wants to slightly alter the...
instruction
0
44,917
20
89,834
Tags: combinatorics, greedy Correct Solution: ``` a=input() n=len(a) ans=1 c=0 for i in range(n-1): if int(a[i+1])+int(a[i])==9: c+=1 else: if c%2==0 and c!=0: # print(c+1) ans*=(c+1)//2+1 c=0 if c%2==0 and c!=0: ans*=(c+1)//2+1 print(ans) ```
output
1
44,917
20
89,835
Provide tags and a correct Python 3 solution for this coding contest problem. Inna loves digit 9 very much. That's why she asked Dima to write a small number consisting of nines. But Dima must have misunderstood her and he wrote a very large number a, consisting of digits from 1 to 9. Inna wants to slightly alter the...
instruction
0
44,918
20
89,836
Tags: combinatorics, greedy Correct Solution: ``` # -*- coding: utf-8 -*- def count_nine(a, i): while i < len(a) - 1: if a[i] + a[i+1] == 9: break i += 1 else: return 0, 1 n1, c1 = count_nine(a, i+1) n2, c2 = count_nine(a, i+2) if n1 == n2 + 1: retur...
output
1
44,918
20
89,837
Provide tags and a correct Python 3 solution for this coding contest problem. Inna loves digit 9 very much. That's why she asked Dima to write a small number consisting of nines. But Dima must have misunderstood her and he wrote a very large number a, consisting of digits from 1 to 9. Inna wants to slightly alter the...
instruction
0
44,919
20
89,838
Tags: combinatorics, greedy Correct Solution: ``` if __name__ == '__main__': n = input() res = 1 countConsecutivePairs = 0 length = len(n) for i in range(length): if (i+1 < length and int(n[i]) + int(n[i+1]) == 9): countConsecutivePairs += 1 else: if (countCon...
output
1
44,919
20
89,839
Provide tags and a correct Python 3 solution for this coding contest problem. Inna loves digit 9 very much. That's why she asked Dima to write a small number consisting of nines. But Dima must have misunderstood her and he wrote a very large number a, consisting of digits from 1 to 9. Inna wants to slightly alter the...
instruction
0
44,920
20
89,840
Tags: combinatorics, greedy Correct Solution: ``` #!/usr/bin/python3 def readln(): return list(map(int, input().split())) ans = 1 l = 1 p = -1 a = input() for i in range(len(a)): c = int(a[i]) if c + p == 9: l += 1 if c + p != 9 or i == len(a) - 1: if l % 2: ans *= (l + 1) // 2...
output
1
44,920
20
89,841
Provide tags and a correct Python 3 solution for this coding contest problem. Inna loves digit 9 very much. That's why she asked Dima to write a small number consisting of nines. But Dima must have misunderstood her and he wrote a very large number a, consisting of digits from 1 to 9. Inna wants to slightly alter the...
instruction
0
44,921
20
89,842
Tags: combinatorics, greedy Correct Solution: ``` # import itertools # import bisect # import math from collections import defaultdict, Counter import os import sys from io import BytesIO, IOBase # sys.setrecursionlimit(10 ** 5) ii = lambda: int(input()) lmii = lambda: list(map(int, input().split())) slmii = lambda: s...
output
1
44,921
20
89,843
Provide tags and a correct Python 3 solution for this coding contest problem. Inna loves digit 9 very much. That's why she asked Dima to write a small number consisting of nines. But Dima must have misunderstood her and he wrote a very large number a, consisting of digits from 1 to 9. Inna wants to slightly alter the...
instruction
0
44,922
20
89,844
Tags: combinatorics, greedy Correct Solution: ``` import sys import math data = sys.stdin.read().split() data_ptr = 0 def data_next(): global data_ptr, data data_ptr += 1 return data[data_ptr - 1] S = data[0] N = len(S) ans = 1 block = 0 for i in range(N): if i == N - 1 or int(S[i]) + int(S[i + 1]) ...
output
1
44,922
20
89,845
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Inna loves digit 9 very much. That's why she asked Dima to write a small number consisting of nines. But Dima must have misunderstood her and he wrote a very large number a, consisting of digits...
instruction
0
44,923
20
89,846
Yes
output
1
44,923
20
89,847
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Inna loves digit 9 very much. That's why she asked Dima to write a small number consisting of nines. But Dima must have misunderstood her and he wrote a very large number a, consisting of digits...
instruction
0
44,924
20
89,848
Yes
output
1
44,924
20
89,849
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Inna loves digit 9 very much. That's why she asked Dima to write a small number consisting of nines. But Dima must have misunderstood her and he wrote a very large number a, consisting of digits...
instruction
0
44,925
20
89,850
Yes
output
1
44,925
20
89,851
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Inna loves digit 9 very much. That's why she asked Dima to write a small number consisting of nines. But Dima must have misunderstood her and he wrote a very large number a, consisting of digits...
instruction
0
44,926
20
89,852
Yes
output
1
44,926
20
89,853
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Inna loves digit 9 very much. That's why she asked Dima to write a small number consisting of nines. But Dima must have misunderstood her and he wrote a very large number a, consisting of digits...
instruction
0
44,927
20
89,854
No
output
1
44,927
20
89,855
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Inna loves digit 9 very much. That's why she asked Dima to write a small number consisting of nines. But Dima must have misunderstood her and he wrote a very large number a, consisting of digits...
instruction
0
44,928
20
89,856
No
output
1
44,928
20
89,857
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Inna loves digit 9 very much. That's why she asked Dima to write a small number consisting of nines. But Dima must have misunderstood her and he wrote a very large number a, consisting of digits...
instruction
0
44,929
20
89,858
No
output
1
44,929
20
89,859
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Inna loves digit 9 very much. That's why she asked Dima to write a small number consisting of nines. But Dima must have misunderstood her and he wrote a very large number a, consisting of digits...
instruction
0
44,930
20
89,860
No
output
1
44,930
20
89,861
Provide tags and a correct Python 3 solution for this coding contest problem. Ivan likes to learn different things about numbers, but he is especially interested in really big numbers. Ivan thinks that a positive integer number x is really big if the difference between x and the sum of its digits (in decimal represent...
instruction
0
45,079
20
90,158
Tags: binary search, brute force, dp, math Correct Solution: ``` class ReallyBigNumbers: def __init__(self, n, s): self.n = n self.s = s self.binarySearch() def binarySearch(self): l = self.s h = 10000000000000000000 while(l < h): mid = (h + l) // 2 #print(mid, self.isReallyBig(mid)) if self.is...
output
1
45,079
20
90,159
Provide tags and a correct Python 3 solution for this coding contest problem. Ivan likes to learn different things about numbers, but he is especially interested in really big numbers. Ivan thinks that a positive integer number x is really big if the difference between x and the sum of its digits (in decimal represent...
instruction
0
45,080
20
90,160
Tags: binary search, brute force, dp, math Correct Solution: ``` n,s = map(int,input().split()) l = n+1 for i in range(s,min(s+1000000, n)+1,1): cur = sum([int(j) for j in str(i)]) if(i-cur>=s): l = i; break print(n-l+1) ```
output
1
45,080
20
90,161
Provide tags and a correct Python 3 solution for this coding contest problem. Ivan likes to learn different things about numbers, but he is especially interested in really big numbers. Ivan thinks that a positive integer number x is really big if the difference between x and the sum of its digits (in decimal represent...
instruction
0
45,081
20
90,162
Tags: binary search, brute force, dp, math Correct Solution: ``` def sum_dig(num): num = str(num) ans = 0 for i in range(len(num)): ans += int(num[i]) return ans n,s = map(int,input().split()) ans = 0 for i in range(s,n+1): if i - sum_dig(i) >= s: ...
output
1
45,081
20
90,163
Provide tags and a correct Python 3 solution for this coding contest problem. Ivan likes to learn different things about numbers, but he is especially interested in really big numbers. Ivan thinks that a positive integer number x is really big if the difference between x and the sum of its digits (in decimal represent...
instruction
0
45,082
20
90,164
Tags: binary search, brute force, dp, math Correct Solution: ``` n,s=map(int,input().split()) lo,hi=s,n ans=n+1 while lo<=hi: mid=(lo+hi)//2 z=sum(map(int,str(mid))) if mid>=s+z: ans=mid hi=mid-1 else: lo=mid+1 print(n-ans+1) ```
output
1
45,082
20
90,165
Provide tags and a correct Python 3 solution for this coding contest problem. Ivan likes to learn different things about numbers, but he is especially interested in really big numbers. Ivan thinks that a positive integer number x is really big if the difference between x and the sum of its digits (in decimal represent...
instruction
0
45,083
20
90,166
Tags: binary search, brute force, dp, math Correct Solution: ``` n, s = map(int, input().split()) print(max(n-min(i for i in range(s, s+200) if i-sum(map(int, str(i))) >= s)+1, 0)) ```
output
1
45,083
20
90,167
Provide tags and a correct Python 3 solution for this coding contest problem. Ivan likes to learn different things about numbers, but he is especially interested in really big numbers. Ivan thinks that a positive integer number x is really big if the difference between x and the sum of its digits (in decimal represent...
instruction
0
45,084
20
90,168
Tags: binary search, brute force, dp, math Correct Solution: ``` n, s = map(int, input().split()) a, b, c = 0, n + 1, 0 while a < b: c = (a + b) // 2 if c - sum([int(x) for x in str(c)]) < s: a = c + 1 else: b = c print(n - b + 1) ```
output
1
45,084
20
90,169
Provide tags and a correct Python 3 solution for this coding contest problem. Ivan likes to learn different things about numbers, but he is especially interested in really big numbers. Ivan thinks that a positive integer number x is really big if the difference between x and the sum of its digits (in decimal represent...
instruction
0
45,085
20
90,170
Tags: binary search, brute force, dp, math Correct Solution: ``` n, s = map(int, input().split()) ans = 0 p = s for i in range(163): p = s + i if p > n: break if p >= s + sum(map(int, str(p))): ans += 1 if p <= n: ans += n - p print(ans) ```
output
1
45,085
20
90,171
Provide tags and a correct Python 3 solution for this coding contest problem. Ivan likes to learn different things about numbers, but he is especially interested in really big numbers. Ivan thinks that a positive integer number x is really big if the difference between x and the sum of its digits (in decimal represent...
instruction
0
45,086
20
90,172
Tags: binary search, brute force, dp, math Correct Solution: ``` arr = [int(x) for x in input().split()] n = arr[0] s = arr[1] resp = 0 leng = len(str(s)) j = 0 for i in range(s, s + leng*9 + 1): j = i if i > n: break temp = 0 c = i while c: temp += c % 10 c //= 10 if i - temp >= s: resp += ...
output
1
45,086
20
90,173
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Ivan likes to learn different things about numbers, but he is especially interested in really big numbers. Ivan thinks that a positive integer number x is really big if the difference between x ...
instruction
0
45,087
20
90,174
Yes
output
1
45,087
20
90,175
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Ivan likes to learn different things about numbers, but he is especially interested in really big numbers. Ivan thinks that a positive integer number x is really big if the difference between x ...
instruction
0
45,088
20
90,176
Yes
output
1
45,088
20
90,177
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Ivan likes to learn different things about numbers, but he is especially interested in really big numbers. Ivan thinks that a positive integer number x is really big if the difference between x ...
instruction
0
45,089
20
90,178
Yes
output
1
45,089
20
90,179
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Ivan likes to learn different things about numbers, but he is especially interested in really big numbers. Ivan thinks that a positive integer number x is really big if the difference between x ...
instruction
0
45,090
20
90,180
Yes
output
1
45,090
20
90,181
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Ivan likes to learn different things about numbers, but he is especially interested in really big numbers. Ivan thinks that a positive integer number x is really big if the difference between x ...
instruction
0
45,091
20
90,182
No
output
1
45,091
20
90,183
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Ivan likes to learn different things about numbers, but he is especially interested in really big numbers. Ivan thinks that a positive integer number x is really big if the difference between x ...
instruction
0
45,092
20
90,184
No
output
1
45,092
20
90,185
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Ivan likes to learn different things about numbers, but he is especially interested in really big numbers. Ivan thinks that a positive integer number x is really big if the difference between x ...
instruction
0
45,093
20
90,186
No
output
1
45,093
20
90,187
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Ivan likes to learn different things about numbers, but he is especially interested in really big numbers. Ivan thinks that a positive integer number x is really big if the difference between x ...
instruction
0
45,094
20
90,188
No
output
1
45,094
20
90,189
Provide a correct Python 3 solution for this coding contest problem. A positive integer X is said to be a lunlun number if and only if the following condition is satisfied: * In the base ten representation of X (without leading zeros), for every pair of two adjacent digits, the absolute difference of those digits is ...
instruction
0
45,175
20
90,350
"Correct Solution: ``` k=int(input()) if k<9:print(k);exit() t=[i for i in range(1,10)] c=9 while c<k: a=t.pop(0) for i in range(max(0,a%10-1),min(10,a%10+2)): t.append(a*10+i) c+=1 print(t[-1-c+k]) ```
output
1
45,175
20
90,351
Provide a correct Python 3 solution for this coding contest problem. A positive integer X is said to be a lunlun number if and only if the following condition is satisfied: * In the base ten representation of X (without leading zeros), for every pair of two adjacent digits, the absolute difference of those digits is ...
instruction
0
45,176
20
90,352
"Correct Solution: ``` k=int(input()) l=[1,2,3,4,5,6,7,8,9] for i in range(k): x=l[i] if x%10!=0: l.append(10*x+x%10-1) l.append(10*x+x%10) if x%10!=9: l.append(10*x+x%10+1) print(x) ```
output
1
45,176
20
90,353
Provide a correct Python 3 solution for this coding contest problem. A positive integer X is said to be a lunlun number if and only if the following condition is satisfied: * In the base ten representation of X (without leading zeros), for every pair of two adjacent digits, the absolute difference of those digits is ...
instruction
0
45,177
20
90,354
"Correct Solution: ``` K = int(input()) A = [1,2,3,4,5,6,7,8,9] for i in A: if K<len(A): break x = i%10 for j in range(max(x-1,0),min(x+2,10)): A.append(10*i+j) print(A[K-1]) ```
output
1
45,177
20
90,355
Provide a correct Python 3 solution for this coding contest problem. A positive integer X is said to be a lunlun number if and only if the following condition is satisfied: * In the base ten representation of X (without leading zeros), for every pair of two adjacent digits, the absolute difference of those digits is ...
instruction
0
45,178
20
90,356
"Correct Solution: ``` from collections import deque k = int(input()) a = deque([1, 2, 3, 4, 5, 6, 7, 8, 9]) for i in range(k-1): b = a.popleft() if b%10 != 0: a.append(b*10+b%10-1) a.append(b*10+b%10) if b%10 != 9: a.append(b*10+b%10+1) print(a[0]) ```
output
1
45,178
20
90,357