message stringlengths 2 433k | message_type stringclasses 2
values | message_id int64 0 1 | conversation_id int64 113 108k | cluster float64 12 12 | __index_level_0__ int64 226 217k |
|---|---|---|---|---|---|
Provide tags and a correct Python 3 solution for this coding contest problem.
A student of z-school found a kind of sorting called z-sort. The array a with n elements are z-sorted if two conditions hold:
1. ai ≥ ai - 1 for all even i,
2. ai ≤ ai - 1 for all odd i > 1.
For example the arrays [1,2,1,2] and [1,... | instruction | 0 | 37,292 | 12 | 74,584 |
Tags: sortings
Correct Solution:
```
n = int(input())
inp = list(map(int , input().split()))
srt = sorted(inp)
ans = []
if n % 2 == 0:
for i in range(n // 2):
ans.append(str(srt[i]))
ans.append(str(srt[-(i + 1)]))
print(" ".join(ans))
else:
for i in range(n // 2 + 1):
ans.ap... | output | 1 | 37,292 | 12 | 74,585 |
Provide tags and a correct Python 3 solution for this coding contest problem.
A student of z-school found a kind of sorting called z-sort. The array a with n elements are z-sorted if two conditions hold:
1. ai ≥ ai - 1 for all even i,
2. ai ≤ ai - 1 for all odd i > 1.
For example the arrays [1,2,1,2] and [1,... | instruction | 0 | 37,293 | 12 | 74,586 |
Tags: sortings
Correct Solution:
```
n=int(input())
mas=[int(x) for x in input().split()]
mas.sort()
k=0
l=n-1
for i in range(n):
if i&1:
print(mas[l],end=' ')
l-=1
else:
print(mas[k],end=' ')
k+=1
``` | output | 1 | 37,293 | 12 | 74,587 |
Provide tags and a correct Python 3 solution for this coding contest problem.
A student of z-school found a kind of sorting called z-sort. The array a with n elements are z-sorted if two conditions hold:
1. ai ≥ ai - 1 for all even i,
2. ai ≤ ai - 1 for all odd i > 1.
For example the arrays [1,2,1,2] and [1,... | instruction | 0 | 37,294 | 12 | 74,588 |
Tags: sortings
Correct Solution:
```
n = int(input())
a = [int(_) for _ in input().split()]
a.sort()
na = []
for i in range(len(a)):
if i%2==0:
na.append(a.pop(0))
else:
na.append(a.pop(-1))
print(" ".join(map(str,na)))
``` | output | 1 | 37,294 | 12 | 74,589 |
Provide tags and a correct Python 3 solution for this coding contest problem.
A student of z-school found a kind of sorting called z-sort. The array a with n elements are z-sorted if two conditions hold:
1. ai ≥ ai - 1 for all even i,
2. ai ≤ ai - 1 for all odd i > 1.
For example the arrays [1,2,1,2] and [1,... | instruction | 0 | 37,295 | 12 | 74,590 |
Tags: sortings
Correct Solution:
```
n=int(input())
a=list(map(int,input().split()))
a.sort()
l=[]
p=0
i=0
while len(l)!=n:
if p==0:
l.append(a[i])
else:
l.append(a[n-i-1])
i+=1
p=p^1
print(*l)
``` | output | 1 | 37,295 | 12 | 74,591 |
Provide tags and a correct Python 3 solution for this coding contest problem.
A student of z-school found a kind of sorting called z-sort. The array a with n elements are z-sorted if two conditions hold:
1. ai ≥ ai - 1 for all even i,
2. ai ≤ ai - 1 for all odd i > 1.
For example the arrays [1,2,1,2] and [1,... | instruction | 0 | 37,296 | 12 | 74,592 |
Tags: sortings
Correct Solution:
```
def main():
n = int(input())
a = sorted(map(int, input().split()))
result = [0]*n
# print(result)
# basic = 0
# # a.sort()
# # print(a)
# count = 0
# if n&1==0:
# while basic<n:
# # print(basic, count)
# result[count] = a[basic]
# if count==n-2:
# count = 1
... | output | 1 | 37,296 | 12 | 74,593 |
Provide tags and a correct Python 3 solution for this coding contest problem.
A student of z-school found a kind of sorting called z-sort. The array a with n elements are z-sorted if two conditions hold:
1. ai ≥ ai - 1 for all even i,
2. ai ≤ ai - 1 for all odd i > 1.
For example the arrays [1,2,1,2] and [1,... | instruction | 0 | 37,297 | 12 | 74,594 |
Tags: sortings
Correct Solution:
```
import sys
n = int(input())
a = sorted(map(int, input().split()))
ans = [0]*n
j = 0
for i in range((n+1) >> 1):
ans[j] = a[i]
j += 2
j = 1
for i in range((n+1) >> 1, n):
ans[j] = a[i]
j += 2
print(*ans)
``` | output | 1 | 37,297 | 12 | 74,595 |
Provide tags and a correct Python 3 solution for this coding contest problem.
A student of z-school found a kind of sorting called z-sort. The array a with n elements are z-sorted if two conditions hold:
1. ai ≥ ai - 1 for all even i,
2. ai ≤ ai - 1 for all odd i > 1.
For example the arrays [1,2,1,2] and [1,... | instruction | 0 | 37,298 | 12 | 74,596 |
Tags: sortings
Correct Solution:
```
n = int(input())
L = [int(s) for s in input().split()]
def zsort(l):
if len(l) == 1:
return l
if len(l) == 2:
if l[0] > l[1]:
return l[::-1]
else:
return l
l1 = zsort(l[:2])
l2 = zsort(l[2:])
result = l1 + l2
i... | output | 1 | 37,298 | 12 | 74,597 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
A student of z-school found a kind of sorting called z-sort. The array a with n elements are z-sorted if two conditions hold:
1. ai ≥ ai - 1 for all even i,
2. ai ≤ ai - 1 for all odd i > ... | instruction | 0 | 37,299 | 12 | 74,598 |
Yes | output | 1 | 37,299 | 12 | 74,599 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
A student of z-school found a kind of sorting called z-sort. The array a with n elements are z-sorted if two conditions hold:
1. ai ≥ ai - 1 for all even i,
2. ai ≤ ai - 1 for all odd i > ... | instruction | 0 | 37,300 | 12 | 74,600 |
Yes | output | 1 | 37,300 | 12 | 74,601 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
A student of z-school found a kind of sorting called z-sort. The array a with n elements are z-sorted if two conditions hold:
1. ai ≥ ai - 1 for all even i,
2. ai ≤ ai - 1 for all odd i > ... | instruction | 0 | 37,301 | 12 | 74,602 |
Yes | output | 1 | 37,301 | 12 | 74,603 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
A student of z-school found a kind of sorting called z-sort. The array a with n elements are z-sorted if two conditions hold:
1. ai ≥ ai - 1 for all even i,
2. ai ≤ ai - 1 for all odd i > ... | instruction | 0 | 37,302 | 12 | 74,604 |
Yes | output | 1 | 37,302 | 12 | 74,605 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
A student of z-school found a kind of sorting called z-sort. The array a with n elements are z-sorted if two conditions hold:
1. ai ≥ ai - 1 for all even i,
2. ai ≤ ai - 1 for all odd i > ... | instruction | 0 | 37,303 | 12 | 74,606 |
No | output | 1 | 37,303 | 12 | 74,607 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
A student of z-school found a kind of sorting called z-sort. The array a with n elements are z-sorted if two conditions hold:
1. ai ≥ ai - 1 for all even i,
2. ai ≤ ai - 1 for all odd i > ... | instruction | 0 | 37,304 | 12 | 74,608 |
No | output | 1 | 37,304 | 12 | 74,609 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
A student of z-school found a kind of sorting called z-sort. The array a with n elements are z-sorted if two conditions hold:
1. ai ≥ ai - 1 for all even i,
2. ai ≤ ai - 1 for all odd i > ... | instruction | 0 | 37,305 | 12 | 74,610 |
No | output | 1 | 37,305 | 12 | 74,611 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
A student of z-school found a kind of sorting called z-sort. The array a with n elements are z-sorted if two conditions hold:
1. ai ≥ ai - 1 for all even i,
2. ai ≤ ai - 1 for all odd i > ... | instruction | 0 | 37,306 | 12 | 74,612 |
No | output | 1 | 37,306 | 12 | 74,613 |
Provide tags and a correct Python 3 solution for this coding contest problem.
There is an array with n elements a1, a2, ..., an and the number x.
In one operation you can select some i (1 ≤ i ≤ n) and replace element ai with ai & x, where & denotes the [bitwise and](https://en.wikipedia.org/wiki/Bitwise_operation#AND... | instruction | 0 | 37,734 | 12 | 75,468 |
Tags: greedy
Correct Solution:
```
n,x = map(int, input().split())
L = list(map(int, input().split()))
m = max(L)
A = [0]*(m+1)
f = 0
for i in range(n):
A[L[i]] += 1
if A[L[i]] == 2:
f = 1
break
if f == 1:
print(0)
else:
k = 0
L1 = []
for i in range(len(A)):
L1.append(A[i... | output | 1 | 37,734 | 12 | 75,469 |
Provide tags and a correct Python 3 solution for this coding contest problem.
There is an array with n elements a1, a2, ..., an and the number x.
In one operation you can select some i (1 ≤ i ≤ n) and replace element ai with ai & x, where & denotes the [bitwise and](https://en.wikipedia.org/wiki/Bitwise_operation#AND... | instruction | 0 | 37,735 | 12 | 75,470 |
Tags: greedy
Correct Solution:
```
n,x=map(int,input().split())
arr=list(map(int,input().split()))
cnt=[0]*100001
ans=3
for i in range(n):
cnt[arr[i]]+=1
#print(cnt[1])
if cnt[arr[i]]>1:
print(0)
exit()
ans=9999999999
stp=[0]*100001
for i in range(n):
ct=0
while(1):
y=arr[i]&x
#print(i,y)
if y!=arr[i]:
... | output | 1 | 37,735 | 12 | 75,471 |
Provide tags and a correct Python 3 solution for this coding contest problem.
There is an array with n elements a1, a2, ..., an and the number x.
In one operation you can select some i (1 ≤ i ≤ n) and replace element ai with ai & x, where & denotes the [bitwise and](https://en.wikipedia.org/wiki/Bitwise_operation#AND... | instruction | 0 | 37,736 | 12 | 75,472 |
Tags: greedy
Correct Solution:
```
n, x = map(int, input().split())
a = list(map(int, input().split()))
b = [0]*100001
c = [0]*100001
for t in a:
b[t]+=1
if b[t] == 2:
print(0)
exit()
for t in a:
y = x&t
if b[y] == 1 and y!=t:
print(1)
exit()
for t in a:
y = x&t
... | output | 1 | 37,736 | 12 | 75,473 |
Provide tags and a correct Python 3 solution for this coding contest problem.
There is an array with n elements a1, a2, ..., an and the number x.
In one operation you can select some i (1 ≤ i ≤ n) and replace element ai with ai & x, where & denotes the [bitwise and](https://en.wikipedia.org/wiki/Bitwise_operation#AND... | instruction | 0 | 37,737 | 12 | 75,474 |
Tags: greedy
Correct Solution:
```
n, x = map(int, input().split())
l = set(map(int, input().split()))
if len(l) < n:
print(0)
exit()
for i in l:
if i & x != i and i & x in l:
print(1)
exit()
s = set(i & x for i in l)
if len(s) < n:
print(2)
exit()
print(-1)
``` | output | 1 | 37,737 | 12 | 75,475 |
Provide tags and a correct Python 3 solution for this coding contest problem.
There is an array with n elements a1, a2, ..., an and the number x.
In one operation you can select some i (1 ≤ i ≤ n) and replace element ai with ai & x, where & denotes the [bitwise and](https://en.wikipedia.org/wiki/Bitwise_operation#AND... | instruction | 0 | 37,738 | 12 | 75,476 |
Tags: greedy
Correct Solution:
```
n, x = list(map(int, input().split()))
a = list(map(int, input().split()))
cnt = int(1e5 + 1)
bull_1 = [0] * cnt
bull_2 = [0] * cnt
for i in range(n):
if bull_1[a[i]] == 1:
print(0)
exit()
bull_1[a[i]] = 1
for i in range(n):
if bull_1[a[i] & x] == 1 and... | output | 1 | 37,738 | 12 | 75,477 |
Provide tags and a correct Python 3 solution for this coding contest problem.
There is an array with n elements a1, a2, ..., an and the number x.
In one operation you can select some i (1 ≤ i ≤ n) and replace element ai with ai & x, where & denotes the [bitwise and](https://en.wikipedia.org/wiki/Bitwise_operation#AND... | instruction | 0 | 37,739 | 12 | 75,478 |
Tags: greedy
Correct Solution:
```
from sys import exit
n, x = list(map(int, input().split()))
a = list(map(int, input().split()))
decimals = set()
for i in a:
if i in decimals:
print(0)
exit(0)
decimals.add(i)
values = set(a)
new_values = set()
for value in list(values):
new = value & x... | output | 1 | 37,739 | 12 | 75,479 |
Provide tags and a correct Python 3 solution for this coding contest problem.
There is an array with n elements a1, a2, ..., an and the number x.
In one operation you can select some i (1 ≤ i ≤ n) and replace element ai with ai & x, where & denotes the [bitwise and](https://en.wikipedia.org/wiki/Bitwise_operation#AND... | instruction | 0 | 37,740 | 12 | 75,480 |
Tags: greedy
Correct Solution:
```
def main():
n,x = map(int,input().split())
a = list(map(int,input().split()))
uniq = set(a)
m = len(uniq)
ans=-1
if m!=n:
ans=0
else:
bitwise = set()
for i in a:
t = i&x
if t in uniq and t != i:
... | output | 1 | 37,740 | 12 | 75,481 |
Provide tags and a correct Python 3 solution for this coding contest problem.
There is an array with n elements a1, a2, ..., an and the number x.
In one operation you can select some i (1 ≤ i ≤ n) and replace element ai with ai & x, where & denotes the [bitwise and](https://en.wikipedia.org/wiki/Bitwise_operation#AND... | instruction | 0 | 37,741 | 12 | 75,482 |
Tags: greedy
Correct Solution:
```
n,x=map(int,input().split())
a=list(map(int,input().split()))
b=[0]*(100001);c=[0]*100001
for i in a:
b[i]+=1
if b[i]>=2:
exit(print(0))
for i in a:
b[i]-=1
if b[i&x]>=1:
exit(print(1))
b[i]+=1
for i in a:
c[i&x]+=1
if c[i&x]>=2:
exi... | output | 1 | 37,741 | 12 | 75,483 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There is an array with n elements a1, a2, ..., an and the number x.
In one operation you can select some i (1 ≤ i ≤ n) and replace element ai with ai & x, where & denotes the [bitwise and](http... | instruction | 0 | 37,742 | 12 | 75,484 |
Yes | output | 1 | 37,742 | 12 | 75,485 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There is an array with n elements a1, a2, ..., an and the number x.
In one operation you can select some i (1 ≤ i ≤ n) and replace element ai with ai & x, where & denotes the [bitwise and](http... | instruction | 0 | 37,743 | 12 | 75,486 |
Yes | output | 1 | 37,743 | 12 | 75,487 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There is an array with n elements a1, a2, ..., an and the number x.
In one operation you can select some i (1 ≤ i ≤ n) and replace element ai with ai & x, where & denotes the [bitwise and](http... | instruction | 0 | 37,744 | 12 | 75,488 |
Yes | output | 1 | 37,744 | 12 | 75,489 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There is an array with n elements a1, a2, ..., an and the number x.
In one operation you can select some i (1 ≤ i ≤ n) and replace element ai with ai & x, where & denotes the [bitwise and](http... | instruction | 0 | 37,745 | 12 | 75,490 |
Yes | output | 1 | 37,745 | 12 | 75,491 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There is an array with n elements a1, a2, ..., an and the number x.
In one operation you can select some i (1 ≤ i ≤ n) and replace element ai with ai & x, where & denotes the [bitwise and](http... | instruction | 0 | 37,746 | 12 | 75,492 |
No | output | 1 | 37,746 | 12 | 75,493 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There is an array with n elements a1, a2, ..., an and the number x.
In one operation you can select some i (1 ≤ i ≤ n) and replace element ai with ai & x, where & denotes the [bitwise and](http... | instruction | 0 | 37,747 | 12 | 75,494 |
No | output | 1 | 37,747 | 12 | 75,495 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There is an array with n elements a1, a2, ..., an and the number x.
In one operation you can select some i (1 ≤ i ≤ n) and replace element ai with ai & x, where & denotes the [bitwise and](http... | instruction | 0 | 37,748 | 12 | 75,496 |
No | output | 1 | 37,748 | 12 | 75,497 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There is an array with n elements a1, a2, ..., an and the number x.
In one operation you can select some i (1 ≤ i ≤ n) and replace element ai with ai & x, where & denotes the [bitwise and](http... | instruction | 0 | 37,749 | 12 | 75,498 |
No | output | 1 | 37,749 | 12 | 75,499 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Vova has won n trophies in different competitions. Each trophy is either golden or silver. The trophies are arranged in a row.
The beauty of the arrangement is the length of the longest subsegment consisting of golden trophies. Vova wants t... | instruction | 0 | 37,768 | 12 | 75,536 |
Tags: greedy
Correct Solution:
```
n=int(input())
t=input()
L=[-1]
s=0
for i in range(n):
if t[i]=='S':
L.append(i)
s+=1
L.append(n)
m = L[1]-L[0]-1
for i in range(len(L)-2):
if L[i+2]-L[i]-1 > m:
m=L[i+2]-L[i]-1
print(min(m,n-s))
``` | output | 1 | 37,768 | 12 | 75,537 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Vova has won n trophies in different competitions. Each trophy is either golden or silver. The trophies are arranged in a row.
The beauty of the arrangement is the length of the longest subsegment consisting of golden trophies. Vova wants t... | instruction | 0 | 37,770 | 12 | 75,540 |
Tags: greedy
Correct Solution:
```
n = int(input())
s = input()
max = 0
l = 0
has_s = False
gs = 0
for r in range(n):
if s[r] == 'G':
gs += 1
else:
if not has_s:
has_s = True
else:
while s[l] == 'G':
l += 1
l += 1
if r-l+1 > max:
... | output | 1 | 37,770 | 12 | 75,541 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Vova has won n trophies in different competitions. Each trophy is either golden or silver. The trophies are arranged in a row.
The beauty of the arrangement is the length of the longest subsegment consisting of golden trophies. Vova wants t... | instruction | 0 | 37,771 | 12 | 75,542 |
Tags: greedy
Correct Solution:
```
n = int(input())
s = input()
Gs = list(filter(lambda x: x,s.split('S')))
Ss = list(filter(lambda x: x,s.split('G')))
cG = s.count('G')
# print(Gs, Ss, cG)
if(cG==n):
print(n)
exit(0)
if(cG==0):
print(0)
exit(0)
if(cG==1):
print(1)
exit(0)
mi = len(max(Gs)) if cG-len(max(Gs))==0 ... | output | 1 | 37,771 | 12 | 75,543 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Vova has won n trophies in different competitions. Each trophy is either golden or silver. The trophies are arranged in a row.
The beauty of the arrangement is the length of the longest subsegment consisting of golden trophies. Vova wants t... | instruction | 0 | 37,772 | 12 | 75,544 |
Tags: greedy
Correct Solution:
```
# -*- coding: utf-8 -*-
import math
import collections
import bisect
import heapq
import time
import itertools
import sys
"""
created by shhuan at 2018/12/9 20:21
"""
N = int(input())
A = input()
i = 0
segs = []
while i < N:
if A[i] == 'G':
j = i + 1
while j ... | output | 1 | 37,772 | 12 | 75,545 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Vova has won n trophies in different competitions. Each trophy is either golden or silver. The trophies are arranged in a row.
The beauty of the arrangement is the length of the longest subsegment consisting of golden trophies. Vova wants t... | instruction | 0 | 37,774 | 12 | 75,548 |
Tags: greedy
Correct Solution:
```
n = input()
s = input()
s += 'S'
bef, now, tot, res = 0, 0, 0, 0
for c in s :
if c == 'G' :
tot = tot+1
now = now+1
else :
res = max(res, now+bef+1)
bef = now
now = 0
res = min(tot, res)
print(res)
``` | output | 1 | 37,774 | 12 | 75,549 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Vova has won n trophies in different competitions. Each trophy is either golden or silver. The trophies are arranged in a row.
The beauty of the arrangement is the length of the longest subsegment consisting of golden trophies. Vova wants t... | instruction | 0 | 37,775 | 12 | 75,550 |
Tags: greedy
Correct Solution:
```
n=int(input())
s=input()
ans=0
sc,gc,pi,ci=0,0,-1,-1
for i in range(1,n+1):
if s[i-1]=='G':
gc+=1
else:
sc+=1
if pi==-1:
ans=max(ans,i-1)
else:
ans=max(ans,i-1-pi)
pi=ci
ci=i
#print(ans)
#print(gc,sc)
if sc==1:
print(n-1)
exit()
if sc==2 and (s[0]=='S' or s[n-1]... | output | 1 | 37,775 | 12 | 75,551 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Let's call beauty of an array b_1, b_2, …, b_n (n > 1) — min_{1 ≤ i < j ≤ n} |b_i - b_j|.
You're given an array a_1, a_2, … a_n and a number k. Calculate the sum of beauty over all subsequences of the array of length exactly k. As this numb... | instruction | 0 | 37,820 | 12 | 75,640 |
Tags: dp
Correct Solution:
```
from collections import defaultdict
import sys
input = sys.stdin.readline
'''
for CASES in range(int(input())):
n, m = map(int, input().split())
n = int(input())
A = list(map(int, input().split()))
S = input().strip()
sys.stdout.write(" ".join(map(str,ans))+"\n")
'''
inf = 100000000000000... | output | 1 | 37,820 | 12 | 75,641 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Suppose you are performing the following algorithm. There is an array v_1, v_2, ..., v_n filled with zeroes at start. The following operation is applied to the array several times — at i-th step (0-indexed) you can:
* either choose posit... | instruction | 0 | 37,839 | 12 | 75,678 |
Tags: bitmasks, greedy, implementation, math, number theory, ternary search
Correct Solution:
```
for _ in range(int(input())):
n,k=map(int,input().split())
l=sorted(list(map(int,input().split())))
f=1
p=set()
for i in range(n):
if l[i]!=0:
c=0
#x=[]
if l[... | output | 1 | 37,839 | 12 | 75,679 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Suppose you are performing the following algorithm. There is an array v_1, v_2, ..., v_n filled with zeroes at start. The following operation is applied to the array several times — at i-th step (0-indexed) you can:
* either choose posit... | instruction | 0 | 37,840 | 12 | 75,680 |
Tags: bitmasks, greedy, implementation, math, number theory, ternary search
Correct Solution:
```
def go():
n, k = map(int, input().split())
a = list(map(int, input().split()))
ma = max(a)
kp=1
while kp<ma:
kp*=k
u = set()
for aa in a:
if aa == 0:
continue
... | output | 1 | 37,840 | 12 | 75,681 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Suppose you are performing the following algorithm. There is an array v_1, v_2, ..., v_n filled with zeroes at start. The following operation is applied to the array several times — at i-th step (0-indexed) you can:
* either choose posit... | instruction | 0 | 37,841 | 12 | 75,682 |
Tags: bitmasks, greedy, implementation, math, number theory, ternary search
Correct Solution:
```
def check(s):
while(s>0):
c=maxPower(s)
if (c!=-1):
s=s-c
else:
return -1
if (s==0):
return 1
def maxPower(s):
i=1
t=0
while(i<=s):
i*=k
... | output | 1 | 37,841 | 12 | 75,683 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Suppose you are performing the following algorithm. There is an array v_1, v_2, ..., v_n filled with zeroes at start. The following operation is applied to the array several times — at i-th step (0-indexed) you can:
* either choose posit... | instruction | 0 | 37,842 | 12 | 75,684 |
Tags: bitmasks, greedy, implementation, math, number theory, ternary search
Correct Solution:
```
def to_base(k, number):
k_base = []
while number:
k_base.append(number % k)
number //= k
return k_base
def can_be_game_result(array, k):
max_item = max(array)
used_powers = [0]... | output | 1 | 37,842 | 12 | 75,685 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Suppose you are performing the following algorithm. There is an array v_1, v_2, ..., v_n filled with zeroes at start. The following operation is applied to the array several times — at i-th step (0-indexed) you can:
* either choose posit... | instruction | 0 | 37,843 | 12 | 75,686 |
Tags: bitmasks, greedy, implementation, math, number theory, ternary search
Correct Solution:
```
import sys
RI = lambda : [int(x) for x in sys.stdin.readline().split()]
ri = lambda : sys.stdin.readline().strip()
for _ in range(int(ri())):
n,k = RI()
a = RI()
arr = []
outflag = True
for i in a:... | output | 1 | 37,843 | 12 | 75,687 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Suppose you are performing the following algorithm. There is an array v_1, v_2, ..., v_n filled with zeroes at start. The following operation is applied to the array several times — at i-th step (0-indexed) you can:
* either choose posit... | instruction | 0 | 37,844 | 12 | 75,688 |
Tags: bitmasks, greedy, implementation, math, number theory, ternary search
Correct Solution:
```
from sys import stdin
from collections import defaultdict
#####################################################################
def iinput(): return int(stdin.readline())
def sinput(): return input()
def minput(): return m... | output | 1 | 37,844 | 12 | 75,689 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Suppose you are performing the following algorithm. There is an array v_1, v_2, ..., v_n filled with zeroes at start. The following operation is applied to the array several times — at i-th step (0-indexed) you can:
* either choose posit... | instruction | 0 | 37,845 | 12 | 75,690 |
Tags: bitmasks, greedy, implementation, math, number theory, ternary search
Correct Solution:
```
# from math import log2
# t = int(input())
# while t:
# n = int(input())
# mem = {}
# def f(num):
# if num in mem:
# n = mem[num]
# #print(num)
# #n = int(log2(num))
# ... | output | 1 | 37,845 | 12 | 75,691 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Suppose you are performing the following algorithm. There is an array v_1, v_2, ..., v_n filled with zeroes at start. The following operation is applied to the array several times — at i-th step (0-indexed) you can:
* either choose posit... | instruction | 0 | 37,846 | 12 | 75,692 |
Tags: bitmasks, greedy, implementation, math, number theory, ternary search
Correct Solution:
```
#------------------------template--------------------------#
import os
import sys
from math import *
from collections import *
from bisect import *
from io import BytesIO, IOBase
def vsInput():
sys.stdin = open('input... | output | 1 | 37,846 | 12 | 75,693 |
Provide tags and a correct Python 2 solution for this coding contest problem.
Suppose you are performing the following algorithm. There is an array v_1, v_2, ..., v_n filled with zeroes at start. The following operation is applied to the array several times — at i-th step (0-indexed) you can:
* either choose posit... | instruction | 0 | 37,847 | 12 | 75,694 |
Tags: bitmasks, greedy, implementation, math, number theory, ternary search
Correct Solution:
```
from sys import stdin, stdout
from collections import Counter, defaultdict
from itertools import permutations, combinations
from fractions import gcd
import heapq
raw_input = stdin.readline
pr = stdout.write
mod=10**9+7
d... | output | 1 | 37,847 | 12 | 75,695 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Suppose you are performing the following algorithm. There is an array v_1, v_2, ..., v_n filled with zeroes at start. The following operation is applied to the array several times — at i-th step... | instruction | 0 | 37,848 | 12 | 75,696 |
Yes | output | 1 | 37,848 | 12 | 75,697 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Suppose you are performing the following algorithm. There is an array v_1, v_2, ..., v_n filled with zeroes at start. The following operation is applied to the array several times — at i-th step... | instruction | 0 | 37,849 | 12 | 75,698 |
Yes | output | 1 | 37,849 | 12 | 75,699 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Suppose you are performing the following algorithm. There is an array v_1, v_2, ..., v_n filled with zeroes at start. The following operation is applied to the array several times — at i-th step... | instruction | 0 | 37,850 | 12 | 75,700 |
Yes | output | 1 | 37,850 | 12 | 75,701 |
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