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Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Andrew and Eugene are playing a game. Initially, Andrew has string s, consisting of digits. Eugene sends Andrew multiple queries of type "di → ti", that means "replace all digits di in string s ...
instruction
0
16,344
20
32,688
No
output
1
16,344
20
32,689
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Andrew and Eugene are playing a game. Initially, Andrew has string s, consisting of digits. Eugene sends Andrew multiple queries of type "di → ti", that means "replace all digits di in string s ...
instruction
0
16,345
20
32,690
No
output
1
16,345
20
32,691
Provide a correct Python 3 solution for this coding contest problem. For an integer n not less than 0, let us define f(n) as follows: * f(n) = 1 (if n < 2) * f(n) = n f(n-2) (if n \geq 2) Given is an integer N. Find the number of trailing zeros in the decimal notation of f(N). Constraints * 0 \leq N \leq 10^{18}...
instruction
0
16,594
20
33,188
"Correct Solution: ``` #E N=int(input()) ans=0 if N%2==0: N=N//2 else: N=-1 cnt=1 while cnt<=N: cnt*=5 ans+=N//cnt print(ans) ```
output
1
16,594
20
33,189
Provide a correct Python 3 solution for this coding contest problem. For an integer n not less than 0, let us define f(n) as follows: * f(n) = 1 (if n < 2) * f(n) = n f(n-2) (if n \geq 2) Given is an integer N. Find the number of trailing zeros in the decimal notation of f(N). Constraints * 0 \leq N \leq 10^{18}...
instruction
0
16,595
20
33,190
"Correct Solution: ``` n=int(input()) if n%2:print(0) else: a=0 i=10 while i<=n: a+=n//i i*=5 print(a) ```
output
1
16,595
20
33,191
Provide a correct Python 3 solution for this coding contest problem. For an integer n not less than 0, let us define f(n) as follows: * f(n) = 1 (if n < 2) * f(n) = n f(n-2) (if n \geq 2) Given is an integer N. Find the number of trailing zeros in the decimal notation of f(N). Constraints * 0 \leq N \leq 10^{18}...
instruction
0
16,596
20
33,192
"Correct Solution: ``` n=int(input()) if n%2==1: print(0) else: a=10 ans=0 while a<=n: ans+=n//a a*=5 print(ans) ```
output
1
16,596
20
33,193
Provide a correct Python 3 solution for this coding contest problem. For an integer n not less than 0, let us define f(n) as follows: * f(n) = 1 (if n < 2) * f(n) = n f(n-2) (if n \geq 2) Given is an integer N. Find the number of trailing zeros in the decimal notation of f(N). Constraints * 0 \leq N \leq 10^{18}...
instruction
0
16,597
20
33,194
"Correct Solution: ``` N = int(input()) ans = 0 if N % 2 == 0: p = 10 while p <= N: ans += N // p p *= 5 print(ans) ```
output
1
16,597
20
33,195
Provide a correct Python 3 solution for this coding contest problem. For an integer n not less than 0, let us define f(n) as follows: * f(n) = 1 (if n < 2) * f(n) = n f(n-2) (if n \geq 2) Given is an integer N. Find the number of trailing zeros in the decimal notation of f(N). Constraints * 0 \leq N \leq 10^{18}...
instruction
0
16,598
20
33,196
"Correct Solution: ``` N=int(input()) if N%2==0: ans=0 x=10 while x<=N: ans+=N//x x*=5 else: ans=0 print(ans) ```
output
1
16,598
20
33,197
Provide a correct Python 3 solution for this coding contest problem. For an integer n not less than 0, let us define f(n) as follows: * f(n) = 1 (if n < 2) * f(n) = n f(n-2) (if n \geq 2) Given is an integer N. Find the number of trailing zeros in the decimal notation of f(N). Constraints * 0 \leq N \leq 10^{18}...
instruction
0
16,599
20
33,198
"Correct Solution: ``` N = int(input()) ans = 0 for i in range(1,30): ans += N//(5**i)//2 if N%2==1: ans = 0 print(ans) ```
output
1
16,599
20
33,199
Provide a correct Python 3 solution for this coding contest problem. For an integer n not less than 0, let us define f(n) as follows: * f(n) = 1 (if n < 2) * f(n) = n f(n-2) (if n \geq 2) Given is an integer N. Find the number of trailing zeros in the decimal notation of f(N). Constraints * 0 \leq N \leq 10^{18}...
instruction
0
16,600
20
33,200
"Correct Solution: ``` n=int(input()) if n%2==1: print(0) else: ans=0 n=n//2 while n!=0: n=n//5 ans+=n print(ans) ```
output
1
16,600
20
33,201
Provide a correct Python 3 solution for this coding contest problem. For an integer n not less than 0, let us define f(n) as follows: * f(n) = 1 (if n < 2) * f(n) = n f(n-2) (if n \geq 2) Given is an integer N. Find the number of trailing zeros in the decimal notation of f(N). Constraints * 0 \leq N \leq 10^{18}...
instruction
0
16,601
20
33,202
"Correct Solution: ``` n=int(input()) ans=0 if n%2== 0: for i in range(1,26): ans+=n//(2*5**i) print(ans) ```
output
1
16,601
20
33,203
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. For an integer n not less than 0, let us define f(n) as follows: * f(n) = 1 (if n < 2) * f(n) = n f(n-2) (if n \geq 2) Given is an integer N. Find the number of trailing zeros in the decimal...
instruction
0
16,602
20
33,204
Yes
output
1
16,602
20
33,205
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. For an integer n not less than 0, let us define f(n) as follows: * f(n) = 1 (if n < 2) * f(n) = n f(n-2) (if n \geq 2) Given is an integer N. Find the number of trailing zeros in the decimal...
instruction
0
16,603
20
33,206
Yes
output
1
16,603
20
33,207
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. For an integer n not less than 0, let us define f(n) as follows: * f(n) = 1 (if n < 2) * f(n) = n f(n-2) (if n \geq 2) Given is an integer N. Find the number of trailing zeros in the decimal...
instruction
0
16,604
20
33,208
Yes
output
1
16,604
20
33,209
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. For an integer n not less than 0, let us define f(n) as follows: * f(n) = 1 (if n < 2) * f(n) = n f(n-2) (if n \geq 2) Given is an integer N. Find the number of trailing zeros in the decimal...
instruction
0
16,605
20
33,210
Yes
output
1
16,605
20
33,211
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. For an integer n not less than 0, let us define f(n) as follows: * f(n) = 1 (if n < 2) * f(n) = n f(n-2) (if n \geq 2) Given is an integer N. Find the number of trailing zeros in the decimal...
instruction
0
16,606
20
33,212
No
output
1
16,606
20
33,213
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. For an integer n not less than 0, let us define f(n) as follows: * f(n) = 1 (if n < 2) * f(n) = n f(n-2) (if n \geq 2) Given is an integer N. Find the number of trailing zeros in the decimal...
instruction
0
16,607
20
33,214
No
output
1
16,607
20
33,215
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. For an integer n not less than 0, let us define f(n) as follows: * f(n) = 1 (if n < 2) * f(n) = n f(n-2) (if n \geq 2) Given is an integer N. Find the number of trailing zeros in the decimal...
instruction
0
16,608
20
33,216
No
output
1
16,608
20
33,217
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. For an integer n not less than 0, let us define f(n) as follows: * f(n) = 1 (if n < 2) * f(n) = n f(n-2) (if n \geq 2) Given is an integer N. Find the number of trailing zeros in the decimal...
instruction
0
16,609
20
33,218
No
output
1
16,609
20
33,219
Provide tags and a correct Python 3 solution for this coding contest problem. Let s(x) be sum of digits in decimal representation of positive integer x. Given two integers n and m, find some positive integers a and b such that * s(a) ≥ n, * s(b) ≥ n, * s(a + b) ≤ m. Input The only line of input contain tw...
instruction
0
16,828
20
33,656
Tags: constructive algorithms, math Correct Solution: ``` n, m = map(int, input().split()) l = 1112 arr = "90" * l arr = arr[:-1] + '1' brr = "09" * l brr = brr[1:] print(arr) print(brr) #print(sum([int(el) for el in str(int(arr) + int(brr))])) ```
output
1
16,828
20
33,657
Provide tags and a correct Python 3 solution for this coding contest problem. Let s(x) be sum of digits in decimal representation of positive integer x. Given two integers n and m, find some positive integers a and b such that * s(a) ≥ n, * s(b) ≥ n, * s(a + b) ≤ m. Input The only line of input contain tw...
instruction
0
16,829
20
33,658
Tags: constructive algorithms, math Correct Solution: ``` n, m = map(int, input().split()) k = n // 9 + 1 a = '9' * k + '0' * (k - 1) + '1' b = '9' * k print(int(a)) print(int(b)) ```
output
1
16,829
20
33,659
Provide tags and a correct Python 3 solution for this coding contest problem. Let s(x) be sum of digits in decimal representation of positive integer x. Given two integers n and m, find some positive integers a and b such that * s(a) ≥ n, * s(b) ≥ n, * s(a + b) ≤ m. Input The only line of input contain tw...
instruction
0
16,830
20
33,660
Tags: constructive algorithms, math Correct Solution: ``` import math n, m = [int(x) for x in input().split()] num_digits = math.ceil(abs(n - 5) / 4) + 1 a = '5' * num_digits b = ('4' * (num_digits-1)) + '5' print(a) print(b) ```
output
1
16,830
20
33,661
Provide tags and a correct Python 3 solution for this coding contest problem. Let s(x) be sum of digits in decimal representation of positive integer x. Given two integers n and m, find some positive integers a and b such that * s(a) ≥ n, * s(b) ≥ n, * s(a + b) ≤ m. Input The only line of input contain tw...
instruction
0
16,831
20
33,662
Tags: constructive algorithms, math Correct Solution: ``` print('9'*1000) print('9'*1000+'0'*999+'1') ```
output
1
16,831
20
33,663
Provide tags and a correct Python 3 solution for this coding contest problem. Let s(x) be sum of digits in decimal representation of positive integer x. Given two integers n and m, find some positive integers a and b such that * s(a) ≥ n, * s(b) ≥ n, * s(a + b) ≤ m. Input The only line of input contain tw...
instruction
0
16,832
20
33,664
Tags: constructive algorithms, math Correct Solution: ``` print("99"*100+"0"*199+"1") print("99"*100) ```
output
1
16,832
20
33,665
Provide tags and a correct Python 3 solution for this coding contest problem. Let s(x) be sum of digits in decimal representation of positive integer x. Given two integers n and m, find some positive integers a and b such that * s(a) ≥ n, * s(b) ≥ n, * s(a + b) ≤ m. Input The only line of input contain tw...
instruction
0
16,833
20
33,666
Tags: constructive algorithms, math Correct Solution: ``` print("1"*1129+"\n"+"8"*1128+"9") ```
output
1
16,833
20
33,667
Provide tags and a correct Python 3 solution for this coding contest problem. Let s(x) be sum of digits in decimal representation of positive integer x. Given two integers n and m, find some positive integers a and b such that * s(a) ≥ n, * s(b) ≥ n, * s(a + b) ≤ m. Input The only line of input contain tw...
instruction
0
16,834
20
33,668
Tags: constructive algorithms, math Correct Solution: ``` n, m = [int(x) for x in input().split()] x=n-1;s=0; while x>=0 : s+=pow(10,x) x-=1 print(s) print(pow(10,n)-s) ```
output
1
16,834
20
33,669
Provide tags and a correct Python 3 solution for this coding contest problem. Let s(x) be sum of digits in decimal representation of positive integer x. Given two integers n and m, find some positive integers a and b such that * s(a) ≥ n, * s(b) ≥ n, * s(a + b) ≤ m. Input The only line of input contain tw...
instruction
0
16,835
20
33,670
Tags: constructive algorithms, math Correct Solution: ``` a = 454545454545454545454545454545454545454545454545454545454545454545454545454545454545454545454545454545454545454545454545454545454545454545454545454545454545454545454545454545454545454545454545454545454545454545454545454545454545454545454545454545454546 b = 5...
output
1
16,835
20
33,671
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Let s(x) be sum of digits in decimal representation of positive integer x. Given two integers n and m, find some positive integers a and b such that * s(a) ≥ n, * s(b) ≥ n, * s(a + b) ...
instruction
0
16,836
20
33,672
Yes
output
1
16,836
20
33,673
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Let s(x) be sum of digits in decimal representation of positive integer x. Given two integers n and m, find some positive integers a and b such that * s(a) ≥ n, * s(b) ≥ n, * s(a + b) ...
instruction
0
16,837
20
33,674
Yes
output
1
16,837
20
33,675
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Let s(x) be sum of digits in decimal representation of positive integer x. Given two integers n and m, find some positive integers a and b such that * s(a) ≥ n, * s(b) ≥ n, * s(a + b) ...
instruction
0
16,839
20
33,678
Yes
output
1
16,839
20
33,679
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Let s(x) be sum of digits in decimal representation of positive integer x. Given two integers n and m, find some positive integers a and b such that * s(a) ≥ n, * s(b) ≥ n, * s(a + b) ...
instruction
0
16,840
20
33,680
No
output
1
16,840
20
33,681
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Let s(x) be sum of digits in decimal representation of positive integer x. Given two integers n and m, find some positive integers a and b such that * s(a) ≥ n, * s(b) ≥ n, * s(a + b) ...
instruction
0
16,841
20
33,682
No
output
1
16,841
20
33,683
Provide tags and a correct Python 3 solution for this coding contest problem. You are given an integer x. Can you make x by summing up some number of 11, 111, 1111, 11111, …? (You can use any number among them any number of times). For instance, * 33=11+11+11 * 144=111+11+11+11 Input The first line of input...
instruction
0
17,030
20
34,060
Tags: dp, math, number theory Correct Solution: ``` import sys input = sys.stdin.readline for _ in range(int(input())): n = int(input()) for i in range(11): if n >= i * 111 and (n - i * 111) % 11 == 0: print("YES") break else: print("NO") ```
output
1
17,030
20
34,061
Provide tags and a correct Python 3 solution for this coding contest problem. You are given an integer x. Can you make x by summing up some number of 11, 111, 1111, 11111, …? (You can use any number among them any number of times). For instance, * 33=11+11+11 * 144=111+11+11+11 Input The first line of input...
instruction
0
17,031
20
34,062
Tags: dp, math, number theory Correct Solution: ``` t=int(input()) for _ in range(t): n=int(input()) b=n%11 a=((n-b)//11)-(10*b) print('YES') if(a>=0) else print('NO') ```
output
1
17,031
20
34,063
Provide tags and a correct Python 3 solution for this coding contest problem. You are given an integer x. Can you make x by summing up some number of 11, 111, 1111, 11111, …? (You can use any number among them any number of times). For instance, * 33=11+11+11 * 144=111+11+11+11 Input The first line of input...
instruction
0
17,032
20
34,064
Tags: dp, math, number theory Correct Solution: ``` t=int(input()) for i in range(t): x=input() n='' for j in range(len(x)): n+='1' n=int(n) check=False while n!=1 and check==False: k=int(x) c=int(n) while c!=1: k=k%c ...
output
1
17,032
20
34,065
Provide tags and a correct Python 3 solution for this coding contest problem. You are given an integer x. Can you make x by summing up some number of 11, 111, 1111, 11111, …? (You can use any number among them any number of times). For instance, * 33=11+11+11 * 144=111+11+11+11 Input The first line of input...
instruction
0
17,033
20
34,066
Tags: dp, math, number theory Correct Solution: ``` n=int(input()) while(n>0): z=int(input()) b=False for i in range(12): if(z<(111*i)): break if(((z-(111*i))%11)==0): print("YES") b=True break if(b==False): print("NO") ...
output
1
17,033
20
34,067
Provide tags and a correct Python 3 solution for this coding contest problem. You are given an integer x. Can you make x by summing up some number of 11, 111, 1111, 11111, …? (You can use any number among them any number of times). For instance, * 33=11+11+11 * 144=111+11+11+11 Input The first line of input...
instruction
0
17,034
20
34,068
Tags: dp, math, number theory Correct Solution: ``` for _ in range(int(input())): x = int(input()) a = x // 11 b = 10 * (x % 11) if a >= b: print("YES") else: print("NO") ```
output
1
17,034
20
34,069
Provide tags and a correct Python 3 solution for this coding contest problem. You are given an integer x. Can you make x by summing up some number of 11, 111, 1111, 11111, …? (You can use any number among them any number of times). For instance, * 33=11+11+11 * 144=111+11+11+11 Input The first line of input...
instruction
0
17,035
20
34,070
Tags: dp, math, number theory Correct Solution: ``` for _ in range(int(input())): n=int(input()) if (111*(n%11) >n):print('NO') else:print('YES') ```
output
1
17,035
20
34,071
Provide tags and a correct Python 3 solution for this coding contest problem. You are given an integer x. Can you make x by summing up some number of 11, 111, 1111, 11111, …? (You can use any number among them any number of times). For instance, * 33=11+11+11 * 144=111+11+11+11 Input The first line of input...
instruction
0
17,036
20
34,072
Tags: dp, math, number theory Correct Solution: ``` for i in range(int(input())): x = int(input()) ans = 0 while x > 0: if x % 11 == 0 or x % 111 == 0: ans = 1 break x -= 111 if ans: print('YES') else: print('NO') ```
output
1
17,036
20
34,073
Provide tags and a correct Python 3 solution for this coding contest problem. You are given an integer x. Can you make x by summing up some number of 11, 111, 1111, 11111, …? (You can use any number among them any number of times). For instance, * 33=11+11+11 * 144=111+11+11+11 Input The first line of input...
instruction
0
17,037
20
34,074
Tags: dp, math, number theory Correct Solution: ``` for i in range(int(input())): x=int(input()) rem=(x-(x%11)*111) if rem>=0 and rem%11==0: print("YES") else: print("NO") ```
output
1
17,037
20
34,075
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. You are given an integer x. Can you make x by summing up some number of 11, 111, 1111, 11111, …? (You can use any number among them any number of times). For instance, * 33=11+11+11 * 14...
instruction
0
17,040
20
34,080
Yes
output
1
17,040
20
34,081
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. You are given an integer x. Can you make x by summing up some number of 11, 111, 1111, 11111, …? (You can use any number among them any number of times). For instance, * 33=11+11+11 * 14...
instruction
0
17,044
20
34,088
No
output
1
17,044
20
34,089
Provide tags and a correct Python 3 solution for this coding contest problem. Little Dima misbehaved during a math lesson a lot and the nasty teacher Mr. Pickles gave him the following problem as a punishment. Find all integer solutions x (0 < x < 109) of the equation: x = b·s(x)a + c, where a, b, c are some pred...
instruction
0
17,173
20
34,346
Tags: brute force, implementation, math, number theory Correct Solution: ``` a,b,c=map(int,input().split());l=[] for i in range(1,82): x=b*i**a+c if x>0 and x<10**9: if sum(int(i) for i in str(x))==i:l.append(x) print(len(l)) if l: print(*l) ```
output
1
17,173
20
34,347
Provide tags and a correct Python 3 solution for this coding contest problem. Little Dima misbehaved during a math lesson a lot and the nasty teacher Mr. Pickles gave him the following problem as a punishment. Find all integer solutions x (0 < x < 109) of the equation: x = b·s(x)a + c, where a, b, c are some pred...
instruction
0
17,174
20
34,348
Tags: brute force, implementation, math, number theory Correct Solution: ``` a,b,c=input().split() a=int(a);b=int(b);c=int(c) def fun(xx): return b*(xx**a)+c lis=[] for i in range(1,100): k = fun(i) if k > 0: lis.append(k) ans =[] mx=10**9 for i in range(len(lis)): k = sum([int(d) for d in str...
output
1
17,174
20
34,349
Provide tags and a correct Python 3 solution for this coding contest problem. Little Dima misbehaved during a math lesson a lot and the nasty teacher Mr. Pickles gave him the following problem as a punishment. Find all integer solutions x (0 < x < 109) of the equation: x = b·s(x)a + c, where a, b, c are some pred...
instruction
0
17,175
20
34,350
Tags: brute force, implementation, math, number theory Correct Solution: ``` a, b, c = list(map(int, input().split())) ans = [] for i in range(83): x = b * (i ** a) + c if x <= 0 or x > 10 ** 9: continue sum_of_x = sum([int(x) for x in str(x)]) if sum_of_x == i: ans.append(x) ...
output
1
17,175
20
34,351
Provide tags and a correct Python 3 solution for this coding contest problem. Little Dima misbehaved during a math lesson a lot and the nasty teacher Mr. Pickles gave him the following problem as a punishment. Find all integer solutions x (0 < x < 109) of the equation: x = b·s(x)a + c, where a, b, c are some pred...
instruction
0
17,176
20
34,352
Tags: brute force, implementation, math, number theory Correct Solution: ``` #460B def summ(n): a = list(map(int, str(n))) return sum(a) inpt = list(map(int, input().split(" "))) a = inpt[0] b = inpt[1] c = inpt[2] arr = [] count = 0 for i in range(1, 82): num = b * (i ** a) + c if num > 0 and num <= 1000000000...
output
1
17,176
20
34,353
Provide tags and a correct Python 3 solution for this coding contest problem. Little Dima misbehaved during a math lesson a lot and the nasty teacher Mr. Pickles gave him the following problem as a punishment. Find all integer solutions x (0 < x < 109) of the equation: x = b·s(x)a + c, where a, b, c are some pred...
instruction
0
17,177
20
34,354
Tags: brute force, implementation, math, number theory Correct Solution: ``` a, b, c = (int(i) for i in input().split(" ")) import sys # print(a, b, c) def calculate(a, b, c, s): # print("in calc", a,b,c,s) return b * (s ** a) + c def dig_sum(x): # print(x) line = str(x).strip("-") sum = 0 ...
output
1
17,177
20
34,355
Provide tags and a correct Python 3 solution for this coding contest problem. Little Dima misbehaved during a math lesson a lot and the nasty teacher Mr. Pickles gave him the following problem as a punishment. Find all integer solutions x (0 < x < 109) of the equation: x = b·s(x)a + c, where a, b, c are some pred...
instruction
0
17,178
20
34,356
Tags: brute force, implementation, math, number theory Correct Solution: ``` def find_digit_sum(x): """Find sum of digits of x""" s = 0 while x > 0: s += x%10 x //= 10 return s def exponent_mod(n, p, prime_const=1000000000+7): """Find (n^p) % prime_const""" res=1 if n == 0: ...
output
1
17,178
20
34,357
Provide tags and a correct Python 3 solution for this coding contest problem. Little Dima misbehaved during a math lesson a lot and the nasty teacher Mr. Pickles gave him the following problem as a punishment. Find all integer solutions x (0 < x < 109) of the equation: x = b·s(x)a + c, where a, b, c are some pred...
instruction
0
17,179
20
34,358
Tags: brute force, implementation, math, number theory Correct Solution: ``` a,b,c=map(int,input().split()) A=[] for i in range(1,82): A.append(i**a) B=[] for i in A: y=b*i+c if y>0 and sum(list(map(int,list(str(y)))))**a==i and y<10**9: B.append(y) print(len(B)) for i in B: print(i,end=' ') ```
output
1
17,179
20
34,359
Provide tags and a correct Python 3 solution for this coding contest problem. Little Dima misbehaved during a math lesson a lot and the nasty teacher Mr. Pickles gave him the following problem as a punishment. Find all integer solutions x (0 < x < 109) of the equation: x = b·s(x)a + c, where a, b, c are some pred...
instruction
0
17,180
20
34,360
Tags: brute force, implementation, math, number theory Correct Solution: ``` a, b, c = map(int, input().split()) ans = [] for i in range(1,82): p = i**a*b+c if p >= 0 and sum(list(map(int, list(str(p))))) == i and p <= 10**9: ans.append(p) print(len(ans)) print(*ans) ```
output
1
17,180
20
34,361
Provide tags and a correct Python 3 solution for this coding contest problem. Let's denote as <image> the number of bits set ('1' bits) in the binary representation of the non-negative integer x. You are given multiple queries consisting of pairs of integers l and r. For each query, find the x, such that l ≤ x ≤ r, a...
instruction
0
17,189
20
34,378
Tags: bitmasks, constructive algorithms Correct Solution: ``` def fun(x,y): if x==y: return x if (y&(y+1)) == 0: return y [a,b] = [len(bin(x))-3,len(bin(y))-3] if a==b: return (1<<a)| fun((1<<a)^x, (1<<a)^y) return (1<<b) - 1 def main(): mode="filee" if mode=="fi...
output
1
17,189
20
34,379