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 |
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Provide tags and a correct Python 3 solution for this coding contest problem.
You are given an array a consisting of n integers a_1, a_2, ..., a_n. You want to split it into exactly k non-empty non-intersecting subsegments such that each subsegment has odd sum (i. e. for each subsegment, the sum of all elements that b... | instruction | 0 | 84,311 | 12 | 168,622 |
Tags: constructive algorithms, math
Correct Solution:
```
t = int(input())
for q in range(t):
n, k = map(int, input().split())
A = list(map(int, input().split()))
if k == 1:
if sum(A) % 2 != 0:
print("YES")
print(n)
else:
print("NO")
else:
arr = []
total = 0
for i in range(len(A)):
total +... | output | 1 | 84,311 | 12 | 168,623 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given an array a consisting of n integers a_1, a_2, ..., a_n. You want to split it into exactly k non-empty non-intersecting subsegments such that each subsegment has odd sum (i. e. for each subsegment, the sum of all elements that b... | instruction | 0 | 84,312 | 12 | 168,624 |
Tags: constructive algorithms, math
Correct Solution:
```
import sys
input = sys.stdin.readline
for _ in range(int(input())):
n,k=map(int,input().split())
a=[int(j)%2 for j in input().split()]
sum1=sum(a)
if(sum1<k or abs(sum1-k)%2==1):
print("NO")
else:
print("YES")
l=[]
... | output | 1 | 84,312 | 12 | 168,625 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given an array a consisting of n integers a_1, a_2, ..., a_n. You want to split it into exactly k non-empty non-intersecting subsegments such that each subsegment has odd sum (i. e. for ... | instruction | 0 | 84,313 | 12 | 168,626 |
Yes | output | 1 | 84,313 | 12 | 168,627 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given an array a consisting of n integers a_1, a_2, ..., a_n. You want to split it into exactly k non-empty non-intersecting subsegments such that each subsegment has odd sum (i. e. for ... | instruction | 0 | 84,314 | 12 | 168,628 |
Yes | output | 1 | 84,314 | 12 | 168,629 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given an array a consisting of n integers a_1, a_2, ..., a_n. You want to split it into exactly k non-empty non-intersecting subsegments such that each subsegment has odd sum (i. e. for ... | instruction | 0 | 84,315 | 12 | 168,630 |
Yes | output | 1 | 84,315 | 12 | 168,631 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given an array a consisting of n integers a_1, a_2, ..., a_n. You want to split it into exactly k non-empty non-intersecting subsegments such that each subsegment has odd sum (i. e. for ... | instruction | 0 | 84,316 | 12 | 168,632 |
Yes | output | 1 | 84,316 | 12 | 168,633 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given an array a consisting of n integers a_1, a_2, ..., a_n. You want to split it into exactly k non-empty non-intersecting subsegments such that each subsegment has odd sum (i. e. for ... | instruction | 0 | 84,317 | 12 | 168,634 |
No | output | 1 | 84,317 | 12 | 168,635 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given an array a consisting of n integers a_1, a_2, ..., a_n. You want to split it into exactly k non-empty non-intersecting subsegments such that each subsegment has odd sum (i. e. for ... | instruction | 0 | 84,318 | 12 | 168,636 |
No | output | 1 | 84,318 | 12 | 168,637 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given an array a consisting of n integers a_1, a_2, ..., a_n. You want to split it into exactly k non-empty non-intersecting subsegments such that each subsegment has odd sum (i. e. for ... | instruction | 0 | 84,319 | 12 | 168,638 |
No | output | 1 | 84,319 | 12 | 168,639 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given an array a consisting of n integers a_1, a_2, ..., a_n. You want to split it into exactly k non-empty non-intersecting subsegments such that each subsegment has odd sum (i. e. for ... | instruction | 0 | 84,320 | 12 | 168,640 |
No | output | 1 | 84,320 | 12 | 168,641 |
Provide tags and a correct Python 3 solution for this coding contest problem.
The only difference between easy and hard versions is the number of elements in the array.
You are given an array a consisting of n integers. In one move you can choose any a_i and divide it by 2 rounding down (in other words, in one move y... | instruction | 0 | 84,321 | 12 | 168,642 |
Tags: brute force, implementation
Correct Solution:
```
INF = int (2e9)
n, k = list (map (int, input ().split ()))
a = list (map (int, input ().split ()))
a.sort()
a = [(x, 0) for x in a]
ans = INF
ha = {}
tail = n - 1
p = 0
def lowerbound (x):
l, r = 0, tail - 1
while (l <= r) :
mid = (l + r) >> 1
... | output | 1 | 84,321 | 12 | 168,643 |
Provide tags and a correct Python 3 solution for this coding contest problem.
The only difference between easy and hard versions is the number of elements in the array.
You are given an array a consisting of n integers. In one move you can choose any a_i and divide it by 2 rounding down (in other words, in one move y... | instruction | 0 | 84,322 | 12 | 168,644 |
Tags: brute force, implementation
Correct Solution:
```
a,b=list(map(int,input().split()))
array=list(map(int,input().split()))
c=b-1
answer=[]
array.sort()
arr=list(range(1,array[-1]+1))
for it in arr:
element=it
current=0
count=0
for y in range(0,a):
copare=array[y]
if copare<element:
... | output | 1 | 84,322 | 12 | 168,645 |
Provide tags and a correct Python 3 solution for this coding contest problem.
The only difference between easy and hard versions is the number of elements in the array.
You are given an array a consisting of n integers. In one move you can choose any a_i and divide it by 2 rounding down (in other words, in one move y... | instruction | 0 | 84,323 | 12 | 168,646 |
Tags: brute force, implementation
Correct Solution:
```
N, K = [int(x) for x in input().split()]
l = [int(x) for x in input().split()]
lk = [0] * (1000000)
for n in l:
t = n
while t != 0:
lk[t] += 1
t //= 2
lk[0] = 99999999
g = 0
mn = 9999999
for i in range(len(lk) - 1, -1, -1):
if(lk[i] >= K):
g = i;
ed = [... | output | 1 | 84,323 | 12 | 168,647 |
Provide tags and a correct Python 3 solution for this coding contest problem.
The only difference between easy and hard versions is the number of elements in the array.
You are given an array a consisting of n integers. In one move you can choose any a_i and divide it by 2 rounding down (in other words, in one move y... | instruction | 0 | 84,324 | 12 | 168,648 |
Tags: brute force, implementation
Correct Solution:
```
n, k = map(int,input().split())
l = list(map(int,input().split()))
d = {}
for liczba in l:
ll = liczba
while ll > 0:
d[ll] = []
ll //= 2
for liczba in l:
i = 0
ll = liczba
while ll > 0:
d[ll].append(i)
ll //= 2
... | output | 1 | 84,324 | 12 | 168,649 |
Provide tags and a correct Python 3 solution for this coding contest problem.
The only difference between easy and hard versions is the number of elements in the array.
You are given an array a consisting of n integers. In one move you can choose any a_i and divide it by 2 rounding down (in other words, in one move y... | instruction | 0 | 84,325 | 12 | 168,650 |
Tags: brute force, implementation
Correct Solution:
```
# import numpy as np
# def get_num_operations(m, x):
# if x < m: return big_number
# if x == m: return 0
# return 1 + get_num_operations(m, int(x / 2))
# big_number = 10000000
# n, k=map(int, input().split())
# elements_array = np.array(map(int, in... | output | 1 | 84,325 | 12 | 168,651 |
Provide tags and a correct Python 3 solution for this coding contest problem.
The only difference between easy and hard versions is the number of elements in the array.
You are given an array a consisting of n integers. In one move you can choose any a_i and divide it by 2 rounding down (in other words, in one move y... | instruction | 0 | 84,326 | 12 | 168,652 |
Tags: brute force, implementation
Correct Solution:
```
# # n , com = map(int , input().split())
# # *a , = map(int , input().split())
# # test = [0 for i in range(n)]
# # for i in range(n):
# # test[i] = a[i]%2
# # print('mod2' , test)
# # test1 = [0 for i in range(n)]
# # m = min(a)
# # for i in range(n):
# # t... | output | 1 | 84,326 | 12 | 168,653 |
Provide tags and a correct Python 3 solution for this coding contest problem.
The only difference between easy and hard versions is the number of elements in the array.
You are given an array a consisting of n integers. In one move you can choose any a_i and divide it by 2 rounding down (in other words, in one move y... | instruction | 0 | 84,327 | 12 | 168,654 |
Tags: brute force, implementation
Correct Solution:
```
import math
n,k=map(int,input().split())
l=[int(i) for i in input().split()]
l.sort()
moves=[0]*(200001)
freq=[0]*(200001)
ans=1e9
for i in l:
freq[i]+=1
for i in range(len(l)):
count=0
a=l[i]
while a>1:
a=a//2
count+=1
if f... | output | 1 | 84,327 | 12 | 168,655 |
Provide tags and a correct Python 3 solution for this coding contest problem.
The only difference between easy and hard versions is the number of elements in the array.
You are given an array a consisting of n integers. In one move you can choose any a_i and divide it by 2 rounding down (in other words, in one move y... | instruction | 0 | 84,328 | 12 | 168,656 |
Tags: brute force, implementation
Correct Solution:
```
n, k = map(int, input().split())
from collections import defaultdict
nums = list(map(int, input().split()))
cc = defaultdict(int)
aa = defaultdict(list)
for num in nums:
o = num
i = 0
while o != 0:
cc[o] += 1
aa[o].append(i)
... | output | 1 | 84,328 | 12 | 168,657 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
The only difference between easy and hard versions is the number of elements in the array.
You are given an array a consisting of n integers. In one move you can choose any a_i and divide it by... | instruction | 0 | 84,329 | 12 | 168,658 |
Yes | output | 1 | 84,329 | 12 | 168,659 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
The only difference between easy and hard versions is the number of elements in the array.
You are given an array a consisting of n integers. In one move you can choose any a_i and divide it by... | instruction | 0 | 84,330 | 12 | 168,660 |
Yes | output | 1 | 84,330 | 12 | 168,661 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
The only difference between easy and hard versions is the number of elements in the array.
You are given an array a consisting of n integers. In one move you can choose any a_i and divide it by... | instruction | 0 | 84,331 | 12 | 168,662 |
Yes | output | 1 | 84,331 | 12 | 168,663 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
The only difference between easy and hard versions is the number of elements in the array.
You are given an array a consisting of n integers. In one move you can choose any a_i and divide it by... | instruction | 0 | 84,332 | 12 | 168,664 |
Yes | output | 1 | 84,332 | 12 | 168,665 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
The only difference between easy and hard versions is the number of elements in the array.
You are given an array a consisting of n integers. In one move you can choose any a_i and divide it by... | instruction | 0 | 84,333 | 12 | 168,666 |
No | output | 1 | 84,333 | 12 | 168,667 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
The only difference between easy and hard versions is the number of elements in the array.
You are given an array a consisting of n integers. In one move you can choose any a_i and divide it by... | instruction | 0 | 84,334 | 12 | 168,668 |
No | output | 1 | 84,334 | 12 | 168,669 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
The only difference between easy and hard versions is the number of elements in the array.
You are given an array a consisting of n integers. In one move you can choose any a_i and divide it by... | instruction | 0 | 84,335 | 12 | 168,670 |
No | output | 1 | 84,335 | 12 | 168,671 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
The only difference between easy and hard versions is the number of elements in the array.
You are given an array a consisting of n integers. In one move you can choose any a_i and divide it by... | instruction | 0 | 84,336 | 12 | 168,672 |
No | output | 1 | 84,336 | 12 | 168,673 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Let a and b be two arrays of lengths n and m, respectively, with no elements in common. We can define a new array merge(a,b) of length n+m recursively as follows:
* If one of the arrays is empty, the result is the other array. That is, me... | instruction | 0 | 84,406 | 12 | 168,812 |
Tags: dp
Correct Solution:
```
t=int(input())
while(t>0):
t-=1
n=int(input())
p=list(map(int, input().split()))
l=[]
j=0
for i in range(1, 2*n):
if j==i or p[j] > p[i]:
if i!=2*n-1:
continue
else:
l.append(i-j)
j=i
if i=... | output | 1 | 84,406 | 12 | 168,813 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Let a and b be two arrays of lengths n and m, respectively, with no elements in common. We can define a new array merge(a,b) of length n+m recursively as follows:
* If one of the arrays is empty, the result is the other array. That is, me... | instruction | 0 | 84,407 | 12 | 168,814 |
Tags: dp
Correct Solution:
```
def isSubsetSum(set, n, sum):
# The value of subset[i][j] will be
# true if there is a
# subset of set[0..j-1] with sum equal to i
subset =([[False for i in range(sum + 1)]
for i in range(n + 1)])
# If sum is 0, then answer is true
... | output | 1 | 84,407 | 12 | 168,815 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Let a and b be two arrays of lengths n and m, respectively, with no elements in common. We can define a new array merge(a,b) of length n+m recursively as follows:
* If one of the arrays is empty, the result is the other array. That is, me... | instruction | 0 | 84,408 | 12 | 168,816 |
Tags: dp
Correct Solution:
```
import time,math as mt,bisect,sys
from sys import stdin,stdout
from collections import deque
from fractions import Fraction
from collections import Counter
from collections import OrderedDict
pi=3.14159265358979323846264338327950
def II(): # to take integer input
return int(stdin.read... | output | 1 | 84,408 | 12 | 168,817 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Let a and b be two arrays of lengths n and m, respectively, with no elements in common. We can define a new array merge(a,b) of length n+m recursively as follows:
* If one of the arrays is empty, the result is the other array. That is, me... | instruction | 0 | 84,409 | 12 | 168,818 |
Tags: dp
Correct Solution:
```
import sys,os,io
input = io.BytesIO(os.read(0, os.fstat(0).st_size)).readline
class SortedList:
def __init__(self, iterable=[], _load=200):
"""Initialize sorted list instance."""
values = sorted(iterable)
self._len = _len = len(values)
self._load = _l... | output | 1 | 84,409 | 12 | 168,819 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Let a and b be two arrays of lengths n and m, respectively, with no elements in common. We can define a new array merge(a,b) of length n+m recursively as follows:
* If one of the arrays is empty, the result is the other array. That is, me... | instruction | 0 | 84,410 | 12 | 168,820 |
Tags: dp
Correct Solution:
```
from collections import deque
t=int(input())
while(t):
n=int(input())
a=list(map(int,input().split()))
u=[x+1 for x in range(2*n-1)]
if(a==u):
print("YES")
t-=1
continue
count,m=1,a[0]
b=deque()
for x in range(1,2*n):
if(a[x]>m):
m=a[x]
b.append(c... | output | 1 | 84,410 | 12 | 168,821 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Let a and b be two arrays of lengths n and m, respectively, with no elements in common. We can define a new array merge(a,b) of length n+m recursively as follows:
* If one of the arrays is empty, the result is the other array. That is, me... | instruction | 0 | 84,411 | 12 | 168,822 |
Tags: dp
Correct Solution:
```
tests = int(input())
for t in range(tests):
n = int(input())
ls = list(map(int, input().split()))
curr = ls[0]
groups = []
group_len = 1
for item in ls[1:]:
if curr > item:
group_len += 1
else:
groups.append(group_len)
... | output | 1 | 84,411 | 12 | 168,823 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Let a and b be two arrays of lengths n and m, respectively, with no elements in common. We can define a new array merge(a,b) of length n+m recursively as follows:
* If one of the arrays is empty, the result is the other array. That is, me... | instruction | 0 | 84,412 | 12 | 168,824 |
Tags: dp
Correct Solution:
```
from math import inf, log2
class SegmentTree:
def __init__(self, array, func=max):
self.n = len(array)
self.size = 2**(int(log2(self.n-1))+1) if self.n != 1 else 1
self.func = func
self.default = 0 if self.func != min else inf
self.data = [sel... | output | 1 | 84,412 | 12 | 168,825 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Let a and b be two arrays of lengths n and m, respectively, with no elements in common. We can define a new array merge(a,b) of length n+m recursively as follows:
* If one of the arrays is empty, the result is the other array. That is, me... | instruction | 0 | 84,413 | 12 | 168,826 |
Tags: dp
Correct Solution:
```
from bisect import *
from collections import *
from math import gcd,ceil,sqrt,floor,inf
from heapq import *
from itertools import *
from operator import add,mul,sub,xor,truediv,floordiv
from functools import *
#------------------------------------------------------------------------
impo... | output | 1 | 84,413 | 12 | 168,827 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Let a and b be two arrays of lengths n and m, respectively, with no elements in common. We can define a new array merge(a,b) of length n+m recursively as follows:
* If one of the arrays is em... | instruction | 0 | 84,414 | 12 | 168,828 |
Yes | output | 1 | 84,414 | 12 | 168,829 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Let a and b be two arrays of lengths n and m, respectively, with no elements in common. We can define a new array merge(a,b) of length n+m recursively as follows:
* If one of the arrays is em... | instruction | 0 | 84,415 | 12 | 168,830 |
Yes | output | 1 | 84,415 | 12 | 168,831 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Let a and b be two arrays of lengths n and m, respectively, with no elements in common. We can define a new array merge(a,b) of length n+m recursively as follows:
* If one of the arrays is em... | instruction | 0 | 84,416 | 12 | 168,832 |
Yes | output | 1 | 84,416 | 12 | 168,833 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Let a and b be two arrays of lengths n and m, respectively, with no elements in common. We can define a new array merge(a,b) of length n+m recursively as follows:
* If one of the arrays is em... | instruction | 0 | 84,417 | 12 | 168,834 |
Yes | output | 1 | 84,417 | 12 | 168,835 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Let a and b be two arrays of lengths n and m, respectively, with no elements in common. We can define a new array merge(a,b) of length n+m recursively as follows:
* If one of the arrays is em... | instruction | 0 | 84,418 | 12 | 168,836 |
No | output | 1 | 84,418 | 12 | 168,837 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Let a and b be two arrays of lengths n and m, respectively, with no elements in common. We can define a new array merge(a,b) of length n+m recursively as follows:
* If one of the arrays is em... | instruction | 0 | 84,419 | 12 | 168,838 |
No | output | 1 | 84,419 | 12 | 168,839 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Let a and b be two arrays of lengths n and m, respectively, with no elements in common. We can define a new array merge(a,b) of length n+m recursively as follows:
* If one of the arrays is em... | instruction | 0 | 84,420 | 12 | 168,840 |
No | output | 1 | 84,420 | 12 | 168,841 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Let a and b be two arrays of lengths n and m, respectively, with no elements in common. We can define a new array merge(a,b) of length n+m recursively as follows:
* If one of the arrays is em... | instruction | 0 | 84,421 | 12 | 168,842 |
No | output | 1 | 84,421 | 12 | 168,843 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given array a with n integers and m queries. The i-th query is given with three integers li, ri, xi.
For the i-th query find any position pi (li ≤ pi ≤ ri) so that api ≠ xi.
Input
The first line contains two integers n, m (1 ≤ n, ... | instruction | 0 | 84,627 | 12 | 169,254 |
Tags: data structures, implementation
Correct Solution:
```
from sys import stdin
_data = iter(stdin.read().split('\n'))
def input():
while True:
return next(_data)
n ,m = map(int, input().split())
a = list(map(int, input().split()))
ans=[]
difPre=[-1 for i in range(n)]
for i in range(1,n):
if a[i]==a[... | output | 1 | 84,627 | 12 | 169,255 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given array a with n integers and m queries. The i-th query is given with three integers li, ri, xi.
For the i-th query find any position pi (li ≤ pi ≤ ri) so that api ≠ xi.
Input
The first line contains two integers n, m (1 ≤ n, ... | instruction | 0 | 84,628 | 12 | 169,256 |
Tags: data structures, implementation
Correct Solution:
```
import sys
input = sys.stdin.readline
n, m = map(int, input().split())
a = list(map(int, input().split()))
b, c = [0], []
now = 0
for j in range(n - 1):
if a[j] ^ a[j + 1]:
now += 1
c.append(j)
b.append(now)
c.append(n)
for _ in range(... | output | 1 | 84,628 | 12 | 169,257 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given array a with n integers and m queries. The i-th query is given with three integers li, ri, xi.
For the i-th query find any position pi (li ≤ pi ≤ ri) so that api ≠ xi.
Input
The first line contains two integers n, m (1 ≤ n, ... | instruction | 0 | 84,629 | 12 | 169,258 |
Tags: data structures, implementation
Correct Solution:
```
import collections
import math
n ,m = map(int, input().split())
A = list(map(int, input().split()))
ans, f = [], [0] * n
f[0] = -1
for i in range(1, n):
if A[i] != A[i - 1]:
f[i] = i - 1
else:
f[i] = f[i - 1]
for i in range(m):
l, ... | output | 1 | 84,629 | 12 | 169,259 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given array a with n integers and m queries. The i-th query is given with three integers li, ri, xi.
For the i-th query find any position pi (li ≤ pi ≤ ri) so that api ≠ xi.
Input
The first line contains two integers n, m (1 ≤ n, ... | instruction | 0 | 84,630 | 12 | 169,260 |
Tags: data structures, implementation
Correct Solution:
```
from itertools import combinations, accumulate, groupby, count
from sys import stdout, stdin, setrecursionlimit
from io import BytesIO, IOBase
from collections import *
from random import *
from bisect import *
from string import *
from queue import *
from hea... | output | 1 | 84,630 | 12 | 169,261 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given array a with n integers and m queries. The i-th query is given with three integers li, ri, xi.
For the i-th query find any position pi (li ≤ pi ≤ ri) so that api ≠ xi.
Input
The first line contains two integers n, m (1 ≤ n, ... | instruction | 0 | 84,631 | 12 | 169,262 |
Tags: data structures, implementation
Correct Solution:
```
import sys
def preprocess(arr):
left_i = -1
prev = arr[0]
preprocessed = []
for i, k in enumerate(arr):
if prev != k:
prev = k
left_i = i
preprocessed.append(left_i)
return preprocessed
def query(... | output | 1 | 84,631 | 12 | 169,263 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given array a with n integers and m queries. The i-th query is given with three integers li, ri, xi.
For the i-th query find any position pi (li ≤ pi ≤ ri) so that api ≠ xi.
Input
The first line contains two integers n, m (1 ≤ n, ... | instruction | 0 | 84,632 | 12 | 169,264 |
Tags: data structures, implementation
Correct Solution:
```
from sys import *
n, m = [int(t) for t in input().split()]
vec = [0 for t in range(n)]
pre = [0 for t in range(n)]
for idx, val in enumerate([int(t) for t in stdin.readline().split()]):
vec[idx] = val
pre[idx] = -1 if idx == 0 else (idx-1 if vec[idx-... | output | 1 | 84,632 | 12 | 169,265 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given array a with n integers and m queries. The i-th query is given with three integers li, ri, xi.
For the i-th query find any position pi (li ≤ pi ≤ ri) so that api ≠ xi.
Input
The first line contains two integers n, m (1 ≤ n, ... | instruction | 0 | 84,633 | 12 | 169,266 |
Tags: data structures, implementation
Correct Solution:
```
from collections import defaultdict
import bisect
from itertools import accumulate
import os
import sys
import math
from decimal import *
from io import BytesIO, IOBase
BUFSIZE = 8192
class FastIO(IOBase):
newlines = 0
def __init__(self, file):
... | output | 1 | 84,633 | 12 | 169,267 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given array a with n integers and m queries. The i-th query is given with three integers li, ri, xi.
For the i-th query find any position pi (li ≤ pi ≤ ri) so that api ≠ xi.
Input
The first line contains two integers n, m (1 ≤ n, ... | instruction | 0 | 84,634 | 12 | 169,268 |
Tags: data structures, implementation
Correct Solution:
```
from sys import *
n, m = [int(t) for t in input().split()]
vec = []
pre = []
for idx, val in enumerate([int(t) for t in stdin.readline().split()]):
vec.append(val)
last = -1 if idx == 0 else (idx-1 if vec[idx-1] != val else pre[idx-1])
pre.appen... | output | 1 | 84,634 | 12 | 169,269 |
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