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Provide a correct Python 3 solution for this coding contest problem. There is a sequence of length N: A_1, A_2, ..., A_N. Initially, this sequence is a permutation of 1, 2, ..., N. On this sequence, Snuke can perform the following operation: * Choose K consecutive elements in the sequence. Then, replace the value of...
instruction
0
5,646
16
11,292
"Correct Solution: ``` n, k = map(int, input().split()) print((n-1)//(k-1)+1 if (n-1)%(k-1) else (n-1)//(k-1)) ```
output
1
5,646
16
11,293
Provide a correct Python 3 solution for this coding contest problem. There is a sequence of length N: A_1, A_2, ..., A_N. Initially, this sequence is a permutation of 1, 2, ..., N. On this sequence, Snuke can perform the following operation: * Choose K consecutive elements in the sequence. Then, replace the value of...
instruction
0
5,647
16
11,294
"Correct Solution: ``` N,K = map(int,input().split()) answer = (N-2)//(K-1)+1 print(answer) ```
output
1
5,647
16
11,295
Provide a correct Python 3 solution for this coding contest problem. There is a sequence of length N: A_1, A_2, ..., A_N. Initially, this sequence is a permutation of 1, 2, ..., N. On this sequence, Snuke can perform the following operation: * Choose K consecutive elements in the sequence. Then, replace the value of...
instruction
0
5,648
16
11,296
"Correct Solution: ``` N, K, *a = map(int, open(0).read().split()) print((N - 2) // (K - 1) + 1) ```
output
1
5,648
16
11,297
Provide a correct Python 3 solution for this coding contest problem. There is a sequence of length N: A_1, A_2, ..., A_N. Initially, this sequence is a permutation of 1, 2, ..., N. On this sequence, Snuke can perform the following operation: * Choose K consecutive elements in the sequence. Then, replace the value of...
instruction
0
5,649
16
11,298
"Correct Solution: ``` print(eval('0--~-'+input().replace(' ','//~-'))) ```
output
1
5,649
16
11,299
Provide a correct Python 3 solution for this coding contest problem. There is a sequence of length N: A_1, A_2, ..., A_N. Initially, this sequence is a permutation of 1, 2, ..., N. On this sequence, Snuke can perform the following operation: * Choose K consecutive elements in the sequence. Then, replace the value of...
instruction
0
5,650
16
11,300
"Correct Solution: ``` n,k=map(int,input().split()) print((n-1)//(k-1)+((n-1)%(k-1)!=0)) ```
output
1
5,650
16
11,301
Provide a correct Python 3 solution for this coding contest problem. There is a sequence of length N: A_1, A_2, ..., A_N. Initially, this sequence is a permutation of 1, 2, ..., N. On this sequence, Snuke can perform the following operation: * Choose K consecutive elements in the sequence. Then, replace the value of...
instruction
0
5,651
16
11,302
"Correct Solution: ``` import math N,K = map(int, input().split()) ans = math.ceil((N-1) / (K-1)) print(ans) ```
output
1
5,651
16
11,303
Provide a correct Python 3 solution for this coding contest problem. There is a sequence of length N: A_1, A_2, ..., A_N. Initially, this sequence is a permutation of 1, 2, ..., N. On this sequence, Snuke can perform the following operation: * Choose K consecutive elements in the sequence. Then, replace the value of...
instruction
0
5,652
16
11,304
"Correct Solution: ``` n,k=map(int,input().split()) i=1 cnt=0 while i<n: i+=k-1 cnt+=1 print(cnt) ```
output
1
5,652
16
11,305
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There is a sequence of length N: A_1, A_2, ..., A_N. Initially, this sequence is a permutation of 1, 2, ..., N. On this sequence, Snuke can perform the following operation: * Choose K consecut...
instruction
0
5,653
16
11,306
Yes
output
1
5,653
16
11,307
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There is a sequence of length N: A_1, A_2, ..., A_N. Initially, this sequence is a permutation of 1, 2, ..., N. On this sequence, Snuke can perform the following operation: * Choose K consecut...
instruction
0
5,654
16
11,308
Yes
output
1
5,654
16
11,309
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There is a sequence of length N: A_1, A_2, ..., A_N. Initially, this sequence is a permutation of 1, 2, ..., N. On this sequence, Snuke can perform the following operation: * Choose K consecut...
instruction
0
5,655
16
11,310
Yes
output
1
5,655
16
11,311
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There is a sequence of length N: A_1, A_2, ..., A_N. Initially, this sequence is a permutation of 1, 2, ..., N. On this sequence, Snuke can perform the following operation: * Choose K consecut...
instruction
0
5,656
16
11,312
Yes
output
1
5,656
16
11,313
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There is a sequence of length N: A_1, A_2, ..., A_N. Initially, this sequence is a permutation of 1, 2, ..., N. On this sequence, Snuke can perform the following operation: * Choose K consecut...
instruction
0
5,657
16
11,314
No
output
1
5,657
16
11,315
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There is a sequence of length N: A_1, A_2, ..., A_N. Initially, this sequence is a permutation of 1, 2, ..., N. On this sequence, Snuke can perform the following operation: * Choose K consecut...
instruction
0
5,658
16
11,316
No
output
1
5,658
16
11,317
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There is a sequence of length N: A_1, A_2, ..., A_N. Initially, this sequence is a permutation of 1, 2, ..., N. On this sequence, Snuke can perform the following operation: * Choose K consecut...
instruction
0
5,659
16
11,318
No
output
1
5,659
16
11,319
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There is a sequence of length N: A_1, A_2, ..., A_N. Initially, this sequence is a permutation of 1, 2, ..., N. On this sequence, Snuke can perform the following operation: * Choose K consecut...
instruction
0
5,660
16
11,320
No
output
1
5,660
16
11,321
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Takahashi and Snuke came up with a game that uses a number sequence, as follows: * Prepare a sequence of length M consisting of integers between 0 and 2^N-1 (inclusive): a = a_1, a_2, \ldots, a...
instruction
0
7,298
16
14,596
No
output
1
7,298
16
14,597
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Takahashi and Snuke came up with a game that uses a number sequence, as follows: * Prepare a sequence of length M consisting of integers between 0 and 2^N-1 (inclusive): a = a_1, a_2, \ldots, a...
instruction
0
7,299
16
14,598
No
output
1
7,299
16
14,599
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Takahashi and Snuke came up with a game that uses a number sequence, as follows: * Prepare a sequence of length M consisting of integers between 0 and 2^N-1 (inclusive): a = a_1, a_2, \ldots, a...
instruction
0
7,300
16
14,600
No
output
1
7,300
16
14,601
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Takahashi and Snuke came up with a game that uses a number sequence, as follows: * Prepare a sequence of length M consisting of integers between 0 and 2^N-1 (inclusive): a = a_1, a_2, \ldots, a...
instruction
0
7,301
16
14,602
No
output
1
7,301
16
14,603
Provide a correct Python 3 solution for this coding contest problem. You are given two sequences a and b, both of length 2N. The i-th elements in a and b are a_i and b_i, respectively. Using these sequences, Snuke is doing the job of calculating the beauty of pairs of balanced sequences of parentheses (defined below) ...
instruction
0
7,382
16
14,764
"Correct Solution: ``` import sys from heapq import heappop, heappush, heapify def main(): input = sys.stdin.readline N, Q = map(int, input().split()) A = list(map(int, input().split())) B = list(map(int, input().split())) ls = [b-a for a, b in zip(A, B)] q_m = [-v for v in ls[1:-1] i...
output
1
7,382
16
14,765
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. You are given two sequences a and b, both of length 2N. The i-th elements in a and b are a_i and b_i, respectively. Using these sequences, Snuke is doing the job of calculating the beauty of pai...
instruction
0
7,383
16
14,766
No
output
1
7,383
16
14,767
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. You are given two sequences a and b, both of length 2N. The i-th elements in a and b are a_i and b_i, respectively. Using these sequences, Snuke is doing the job of calculating the beauty of pai...
instruction
0
7,384
16
14,768
No
output
1
7,384
16
14,769
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. You are given two sequences a and b, both of length 2N. The i-th elements in a and b are a_i and b_i, respectively. Using these sequences, Snuke is doing the job of calculating the beauty of pai...
instruction
0
7,385
16
14,770
No
output
1
7,385
16
14,771
Provide a correct Python 3 solution for this coding contest problem. The door of Snuke's laboratory is locked with a security code. The security code is a 4-digit number. We say the security code is hard to enter when it contains two consecutive digits that are the same. You are given the current security code S. If...
instruction
0
8,876
16
17,752
"Correct Solution: ``` s=input() a=0 for i in range(3): if s[i]==s[i+1]: a+=1 print('Bad' if a>0 else 'Good') ```
output
1
8,876
16
17,753
Provide a correct Python 3 solution for this coding contest problem. The door of Snuke's laboratory is locked with a security code. The security code is a 4-digit number. We say the security code is hard to enter when it contains two consecutive digits that are the same. You are given the current security code S. If...
instruction
0
8,877
16
17,754
"Correct Solution: ``` s=input() print(["Good","Bad"][s[0]==s[1] or s[1]==s[2] or s[2]==s[3]]) ```
output
1
8,877
16
17,755
Provide a correct Python 3 solution for this coding contest problem. The door of Snuke's laboratory is locked with a security code. The security code is a 4-digit number. We say the security code is hard to enter when it contains two consecutive digits that are the same. You are given the current security code S. If...
instruction
0
8,878
16
17,756
"Correct Solution: ``` N=input() print("Bad" if N[0]==N[1] or N[1]==N[2] or N[2]==N[3] else "Good") ```
output
1
8,878
16
17,757
Provide a correct Python 3 solution for this coding contest problem. The door of Snuke's laboratory is locked with a security code. The security code is a 4-digit number. We say the security code is hard to enter when it contains two consecutive digits that are the same. You are given the current security code S. If...
instruction
0
8,879
16
17,758
"Correct Solution: ``` w=input() print("BGaodo d"[w[0]!=w[1]!=w[2]!=w[3]::2]) ```
output
1
8,879
16
17,759
Provide a correct Python 3 solution for this coding contest problem. The door of Snuke's laboratory is locked with a security code. The security code is a 4-digit number. We say the security code is hard to enter when it contains two consecutive digits that are the same. You are given the current security code S. If...
instruction
0
8,880
16
17,760
"Correct Solution: ``` S = input() A = 'Good' for i in range(3): if S[i] == S[i+1]: A = 'Bad' print(A) ```
output
1
8,880
16
17,761
Provide a correct Python 3 solution for this coding contest problem. The door of Snuke's laboratory is locked with a security code. The security code is a 4-digit number. We say the security code is hard to enter when it contains two consecutive digits that are the same. You are given the current security code S. If...
instruction
0
8,881
16
17,762
"Correct Solution: ``` a = input() print('Good' if a[0] != a[1] !=a[2] !=a[3] else 'Bad') ```
output
1
8,881
16
17,763
Provide a correct Python 3 solution for this coding contest problem. The door of Snuke's laboratory is locked with a security code. The security code is a 4-digit number. We say the security code is hard to enter when it contains two consecutive digits that are the same. You are given the current security code S. If...
instruction
0
8,882
16
17,764
"Correct Solution: ``` s=input() if not any(s[i]==s[i+1] for i in range(3)): print('Good') else: print('Bad') ```
output
1
8,882
16
17,765
Provide a correct Python 3 solution for this coding contest problem. The door of Snuke's laboratory is locked with a security code. The security code is a 4-digit number. We say the security code is hard to enter when it contains two consecutive digits that are the same. You are given the current security code S. If...
instruction
0
8,883
16
17,766
"Correct Solution: ``` S=input() if S[0]!=S[1] and S[1]!=S[2] and S[2]!=S[3]: print("Good") else: print("Bad") ```
output
1
8,883
16
17,767
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. The door of Snuke's laboratory is locked with a security code. The security code is a 4-digit number. We say the security code is hard to enter when it contains two consecutive digits that are ...
instruction
0
8,884
16
17,768
Yes
output
1
8,884
16
17,769
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. The door of Snuke's laboratory is locked with a security code. The security code is a 4-digit number. We say the security code is hard to enter when it contains two consecutive digits that are ...
instruction
0
8,885
16
17,770
Yes
output
1
8,885
16
17,771
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. The door of Snuke's laboratory is locked with a security code. The security code is a 4-digit number. We say the security code is hard to enter when it contains two consecutive digits that are ...
instruction
0
8,886
16
17,772
Yes
output
1
8,886
16
17,773
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. The door of Snuke's laboratory is locked with a security code. The security code is a 4-digit number. We say the security code is hard to enter when it contains two consecutive digits that are ...
instruction
0
8,887
16
17,774
Yes
output
1
8,887
16
17,775
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. The door of Snuke's laboratory is locked with a security code. The security code is a 4-digit number. We say the security code is hard to enter when it contains two consecutive digits that are ...
instruction
0
8,888
16
17,776
No
output
1
8,888
16
17,777
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. The door of Snuke's laboratory is locked with a security code. The security code is a 4-digit number. We say the security code is hard to enter when it contains two consecutive digits that are ...
instruction
0
8,889
16
17,778
No
output
1
8,889
16
17,779
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. The door of Snuke's laboratory is locked with a security code. The security code is a 4-digit number. We say the security code is hard to enter when it contains two consecutive digits that are ...
instruction
0
8,890
16
17,780
No
output
1
8,890
16
17,781
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. The door of Snuke's laboratory is locked with a security code. The security code is a 4-digit number. We say the security code is hard to enter when it contains two consecutive digits that are ...
instruction
0
8,891
16
17,782
No
output
1
8,891
16
17,783
Provide a correct Python 3 solution for this coding contest problem. There are N Snukes lining up in a row. You are given a string S of length N. The i-th Snuke from the front has two red balls if the i-th character in S is `0`; one red ball and one blue ball if the i-th character in S is `1`; two blue balls if the i-...
instruction
0
8,892
16
17,784
"Correct Solution: ``` mod = 998244353 def cmb(n, r, mod=mod): if ( r<0 or r>n ): return 0 r = min(r, n-r) return g1[n] * g2[r] * g2[n-r] % mod NN = 10**5 # 使うデータによって変える g1 = [1, 1] # 元テーブル g2 = [1, 1] #逆元テーブル inverse = [0, 1] #逆元テーブル計算用テーブル for i in range( 2, NN + 1 ): g1.append( ( g1[-1] * i...
output
1
8,892
16
17,785
Provide a correct Python 3 solution for this coding contest problem. There are N Snukes lining up in a row. You are given a string S of length N. The i-th Snuke from the front has two red balls if the i-th character in S is `0`; one red ball and one blue ball if the i-th character in S is `1`; two blue balls if the i-...
instruction
0
8,893
16
17,786
"Correct Solution: ``` S = input() N = len(S) from collections import defaultdict reddic = defaultdict(int) bludic = defaultdict(int) redarray = [0] * (N+1) bluarray = [0] * (N+1) for e,c in enumerate(S): if c == "2": bludic[e+1] += 2 bluarray[e+1] += 2 elif c == "1": reddic[e+1] +=...
output
1
8,893
16
17,787
Provide a correct Python 3 solution for this coding contest problem. There are N Snukes lining up in a row. You are given a string S of length N. The i-th Snuke from the front has two red balls if the i-th character in S is `0`; one red ball and one blue ball if the i-th character in S is `1`; two blue balls if the i-...
instruction
0
8,894
16
17,788
"Correct Solution: ``` # 数え上げで制約が 2 乗っぽいのでどうせ dp だろという気持ちになる # なんで入力が数字で与えられるのかを考えるとちょっと視界が開ける # よく考えると、できる列の制約は # 「赤い/青いボールはできる列の i 個目までに A[i]/B[i] 個使える」 # と表せることがわかる # これに気付けばあとは # dp[i][j] := i 個目まで並べたとき赤いボールを j 個使う場合の数 # とした dp が自然と思いつく from itertools import accumulate def main(): mod = 998244353 B =...
output
1
8,894
16
17,789
Provide a correct Python 3 solution for this coding contest problem. There are N Snukes lining up in a row. You are given a string S of length N. The i-th Snuke from the front has two red balls if the i-th character in S is `0`; one red ball and one blue ball if the i-th character in S is `1`; two blue balls if the i-...
instruction
0
8,895
16
17,790
"Correct Solution: ``` M=998244353 S=input() N=len(S) d=[[0]*4001 for _ in range(4001)] d[0][0]=1 x=0 for i in range(2*N): if i<N: x+=int(S[i]) y=2*i+2-x for j in range(i+1): for k in range(2):d[j+1-k][i-j+k]+=i-y<=j-k<x and d[j][i-j]%M print(d[x][y]%M) ```
output
1
8,895
16
17,791
Provide a correct Python 3 solution for this coding contest problem. There are N Snukes lining up in a row. You are given a string S of length N. The i-th Snuke from the front has two red balls if the i-th character in S is `0`; one red ball and one blue ball if the i-th character in S is `1`; two blue balls if the i-...
instruction
0
8,896
16
17,792
"Correct Solution: ``` S=input() N=len(S) C=[0] for i in range(N): C.append(C[i]+int(S[i])) for i in range(N): C.append(C[N]) B=C[N] DP=[[0]*(B+1) for i in range(2*N+1)] DP[0][0]=1 mod=998244353 for i in range(2*N): for j in range(B+1): if 2*min(i+1,N)-C[i+1]>=i+1-j: DP[i+1][j]=(DP[i+1][j]+DP[i][j])%mod...
output
1
8,896
16
17,793
Provide a correct Python 3 solution for this coding contest problem. There are N Snukes lining up in a row. You are given a string S of length N. The i-th Snuke from the front has two red balls if the i-th character in S is `0`; one red ball and one blue ball if the i-th character in S is `1`; two blue balls if the i-...
instruction
0
8,897
16
17,794
"Correct Solution: ``` s=input() N=len(s) table=[] mod=998244353 if s[0]=="0": table.append((2,0)) elif s[0]=="1": table.append((1,1)) elif s[0]=="2": table.append((0,2)) for i in range(1,N): r,b=table[-1] if s[i]=="0": r,b=table[-1] table.append((r+2,b)) elif s[i]=="1": r,b=table[-1] table...
output
1
8,897
16
17,795
Provide a correct Python 3 solution for this coding contest problem. There are N Snukes lining up in a row. You are given a string S of length N. The i-th Snuke from the front has two red balls if the i-th character in S is `0`; one red ball and one blue ball if the i-th character in S is `1`; two blue balls if the i-...
instruction
0
8,898
16
17,796
"Correct Solution: ``` from itertools import accumulate import sys input = sys.stdin.readline mod = 998244353 S = list(map(int, input().rstrip())) N = len(S) front = [0] * N back = [0] * N cum = list(accumulate(S)) for i in range(N-1): front[i+1] = max(front[i], i + 1 - cum[i]) back[i+1] = max(back[i], cum[i] ...
output
1
8,898
16
17,797
Provide a correct Python 3 solution for this coding contest problem. There are N Snukes lining up in a row. You are given a string S of length N. The i-th Snuke from the front has two red balls if the i-th character in S is `0`; one red ball and one blue ball if the i-th character in S is `1`; two blue balls if the i-...
instruction
0
8,899
16
17,798
"Correct Solution: ``` S=input() N=len(S) mod=998244353 red=[0]*N blue=[0]*N for i in range(N): if S[i]=="0": red[i]+=2 elif S[i]=="1": red[i]+=1 blue[i]+=1 else: blue[i]+=2 if i!=0: red[i]+=red[i-1] blue[i]+=blue[i-1] R=red[-1] B=blue[-1] dp=[[0 for i in...
output
1
8,899
16
17,799
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There are N Snukes lining up in a row. You are given a string S of length N. The i-th Snuke from the front has two red balls if the i-th character in S is `0`; one red ball and one blue ball if ...
instruction
0
8,900
16
17,800
Yes
output
1
8,900
16
17,801
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There are N Snukes lining up in a row. You are given a string S of length N. The i-th Snuke from the front has two red balls if the i-th character in S is `0`; one red ball and one blue ball if ...
instruction
0
8,901
16
17,802
Yes
output
1
8,901
16
17,803
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There are N Snukes lining up in a row. You are given a string S of length N. The i-th Snuke from the front has two red balls if the i-th character in S is `0`; one red ball and one blue ball if ...
instruction
0
8,902
16
17,804
Yes
output
1
8,902
16
17,805