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.
We start with a permutation a_1, a_2, …, a_n and with an empty array b. We apply the following operation k times.
On the i-th iteration, we select an index t_i (1 ≤ t_i ≤ n-i+1), remove a_{t_i} from the array, and append one of the numbers ... | instruction | 0 | 55,783 | 12 | 111,566 |
Tags: combinatorics, data structures, dsu, greedy, implementation
Correct Solution:
```
mod = 998244353
import sys
def input():
return sys.stdin.readline()
for _ in range(int(input())):
n, k = map(int, input().split())
A = list(map(int, input().split()))
B = list(map(int, input().s... | output | 1 | 55,783 | 12 | 111,567 |
Provide tags and a correct Python 3 solution for this coding contest problem.
We start with a permutation a_1, a_2, …, a_n and with an empty array b. We apply the following operation k times.
On the i-th iteration, we select an index t_i (1 ≤ t_i ≤ n-i+1), remove a_{t_i} from the array, and append one of the numbers ... | instruction | 0 | 55,784 | 12 | 111,568 |
Tags: combinatorics, data structures, dsu, greedy, implementation
Correct Solution:
```
import io,os
from math import *
input = io.BytesIO(os.read(0,os.fstat(0).st_size)).readline
M = 998244353
for _ in range(int(input())):
n,k = map(int, input().split())
a_ = list(map(int, input().split()))
a = {x:i for i,x in en... | output | 1 | 55,784 | 12 | 111,569 |
Provide tags and a correct Python 3 solution for this coding contest problem.
We start with a permutation a_1, a_2, …, a_n and with an empty array b. We apply the following operation k times.
On the i-th iteration, we select an index t_i (1 ≤ t_i ≤ n-i+1), remove a_{t_i} from the array, and append one of the numbers ... | instruction | 0 | 55,785 | 12 | 111,570 |
Tags: combinatorics, data structures, dsu, greedy, implementation
Correct Solution:
```
import sys
import math
def II():
return int(sys.stdin.readline())
def LI():
return list(map(int, sys.stdin.readline().split()))
def MI():
return map(int, sys.stdin.readline().split())
def SI():
return sys.stdin.readline().... | output | 1 | 55,785 | 12 | 111,571 |
Provide tags and a correct Python 3 solution for this coding contest problem.
We start with a permutation a_1, a_2, …, a_n and with an empty array b. We apply the following operation k times.
On the i-th iteration, we select an index t_i (1 ≤ t_i ≤ n-i+1), remove a_{t_i} from the array, and append one of the numbers ... | instruction | 0 | 55,786 | 12 | 111,572 |
Tags: combinatorics, data structures, dsu, greedy, implementation
Correct Solution:
```
"""T=int(input())
for _ in range(0,T):
n=int(input())
a,b=map(int,input().split())
s=input()
s=[int(x) for x in input().split()]
for i in range(0,len(s)):
a,b=map(int,input().split())"""
MOD = 998244353... | output | 1 | 55,786 | 12 | 111,573 |
Provide tags and a correct Python 3 solution for this coding contest problem.
We start with a permutation a_1, a_2, …, a_n and with an empty array b. We apply the following operation k times.
On the i-th iteration, we select an index t_i (1 ≤ t_i ≤ n-i+1), remove a_{t_i} from the array, and append one of the numbers ... | instruction | 0 | 55,787 | 12 | 111,574 |
Tags: combinatorics, data structures, dsu, greedy, implementation
Correct Solution:
```
# ---------------------------iye ha aam zindegi---------------------------------------------
import math
import random
import heapq, bisect
import sys
from collections import deque, defaultdict
from fractions import Fraction
import ... | output | 1 | 55,787 | 12 | 111,575 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
We start with a permutation a_1, a_2, …, a_n and with an empty array b. We apply the following operation k times.
On the i-th iteration, we select an index t_i (1 ≤ t_i ≤ n-i+1), remove a_{t_i}... | instruction | 0 | 55,788 | 12 | 111,576 |
Yes | output | 1 | 55,788 | 12 | 111,577 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
We start with a permutation a_1, a_2, …, a_n and with an empty array b. We apply the following operation k times.
On the i-th iteration, we select an index t_i (1 ≤ t_i ≤ n-i+1), remove a_{t_i}... | instruction | 0 | 55,789 | 12 | 111,578 |
Yes | output | 1 | 55,789 | 12 | 111,579 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
We start with a permutation a_1, a_2, …, a_n and with an empty array b. We apply the following operation k times.
On the i-th iteration, we select an index t_i (1 ≤ t_i ≤ n-i+1), remove a_{t_i}... | instruction | 0 | 55,790 | 12 | 111,580 |
Yes | output | 1 | 55,790 | 12 | 111,581 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
We start with a permutation a_1, a_2, …, a_n and with an empty array b. We apply the following operation k times.
On the i-th iteration, we select an index t_i (1 ≤ t_i ≤ n-i+1), remove a_{t_i}... | instruction | 0 | 55,791 | 12 | 111,582 |
Yes | output | 1 | 55,791 | 12 | 111,583 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
We start with a permutation a_1, a_2, …, a_n and with an empty array b. We apply the following operation k times.
On the i-th iteration, we select an index t_i (1 ≤ t_i ≤ n-i+1), remove a_{t_i}... | instruction | 0 | 55,792 | 12 | 111,584 |
No | output | 1 | 55,792 | 12 | 111,585 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
We start with a permutation a_1, a_2, …, a_n and with an empty array b. We apply the following operation k times.
On the i-th iteration, we select an index t_i (1 ≤ t_i ≤ n-i+1), remove a_{t_i}... | instruction | 0 | 55,793 | 12 | 111,586 |
No | output | 1 | 55,793 | 12 | 111,587 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
We start with a permutation a_1, a_2, …, a_n and with an empty array b. We apply the following operation k times.
On the i-th iteration, we select an index t_i (1 ≤ t_i ≤ n-i+1), remove a_{t_i}... | instruction | 0 | 55,794 | 12 | 111,588 |
No | output | 1 | 55,794 | 12 | 111,589 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
We start with a permutation a_1, a_2, …, a_n and with an empty array b. We apply the following operation k times.
On the i-th iteration, we select an index t_i (1 ≤ t_i ≤ n-i+1), remove a_{t_i}... | instruction | 0 | 55,795 | 12 | 111,590 |
No | output | 1 | 55,795 | 12 | 111,591 |
Provide tags and a correct Python 3 solution for this coding contest problem.
A permutation p is an ordered group of numbers p1, p2, ..., pn, consisting of n distinct positive integers, each is no more than n. We'll define number n as the length of permutation p1, p2, ..., pn.
Simon has a positive integer n and a non... | instruction | 0 | 55,932 | 12 | 111,864 |
Tags: constructive algorithms, dp, math
Correct Solution:
```
import sys
input = sys.stdin.readline
import math
import copy
import collections
from collections import deque
n,k = list(map(int,input().split()))
ans = []
for i in range(n):
if k>0:
ans.append(2*n-2*i-1)
ans.append(2*n-2*i)
k-=... | output | 1 | 55,932 | 12 | 111,865 |
Provide tags and a correct Python 3 solution for this coding contest problem.
A permutation p is an ordered group of numbers p1, p2, ..., pn, consisting of n distinct positive integers, each is no more than n. We'll define number n as the length of permutation p1, p2, ..., pn.
Simon has a positive integer n and a non... | instruction | 0 | 55,933 | 12 | 111,866 |
Tags: constructive algorithms, dp, math
Correct Solution:
```
n,k = map(int,input().split())
r = 2*n-2*k
for i in range(2*n,r,-2):
print(i-1,i,end=' ')
for i in range(r,1,-2):
print(i,i-1,end=' ')
``` | output | 1 | 55,933 | 12 | 111,867 |
Provide tags and a correct Python 3 solution for this coding contest problem.
A permutation p is an ordered group of numbers p1, p2, ..., pn, consisting of n distinct positive integers, each is no more than n. We'll define number n as the length of permutation p1, p2, ..., pn.
Simon has a positive integer n and a non... | instruction | 0 | 55,934 | 12 | 111,868 |
Tags: constructive algorithms, dp, math
Correct Solution:
```
i,k = [int(a) for a in input().split()]
A = []
for i in range(1,2*i+1):
A.append(str(i))
for i in range(k):
A[4*i],A[4*i+1] = A[4*i+1],A[4*i]
s = " ".join(A)
print(s)
``` | output | 1 | 55,934 | 12 | 111,869 |
Provide tags and a correct Python 3 solution for this coding contest problem.
A permutation p is an ordered group of numbers p1, p2, ..., pn, consisting of n distinct positive integers, each is no more than n. We'll define number n as the length of permutation p1, p2, ..., pn.
Simon has a positive integer n and a non... | instruction | 0 | 55,935 | 12 | 111,870 |
Tags: constructive algorithms, dp, math
Correct Solution:
```
import math
def f(perm):
a1 = 0
a2 = 0
for i in range(len(perm)//2):
a1+=abs(perm[2*i]-perm[2*i+1])
for i in range(len(perm)):
if i%2 == 0:
a2+=perm[i]
else:
a2-=perm[i]
a2 = abs(a2)
re... | output | 1 | 55,935 | 12 | 111,871 |
Provide tags and a correct Python 3 solution for this coding contest problem.
A permutation p is an ordered group of numbers p1, p2, ..., pn, consisting of n distinct positive integers, each is no more than n. We'll define number n as the length of permutation p1, p2, ..., pn.
Simon has a positive integer n and a non... | instruction | 0 | 55,936 | 12 | 111,872 |
Tags: constructive algorithms, dp, math
Correct Solution:
```
n,k=map(int,input().split())
for i in range(n):
if(i<k):
print(2*i+2,2*i+1,end=' ')
else:
print(2*i+1,2*i+2,end=' ')
``` | output | 1 | 55,936 | 12 | 111,873 |
Provide tags and a correct Python 3 solution for this coding contest problem.
A permutation p is an ordered group of numbers p1, p2, ..., pn, consisting of n distinct positive integers, each is no more than n. We'll define number n as the length of permutation p1, p2, ..., pn.
Simon has a positive integer n and a non... | instruction | 0 | 55,937 | 12 | 111,874 |
Tags: constructive algorithms, dp, math
Correct Solution:
```
n,k=list(map(int,input().split()))
a=[i for i in range(1,2*n+1)]
for i in range(k):
a[2*i],a[2*i+1]=a[2*i+1],a[2*i]
print(*a)
``` | output | 1 | 55,937 | 12 | 111,875 |
Provide tags and a correct Python 3 solution for this coding contest problem.
A permutation p is an ordered group of numbers p1, p2, ..., pn, consisting of n distinct positive integers, each is no more than n. We'll define number n as the length of permutation p1, p2, ..., pn.
Simon has a positive integer n and a non... | instruction | 0 | 55,938 | 12 | 111,876 |
Tags: constructive algorithms, dp, math
Correct Solution:
```
n,k=map(int,input().split())
if(k==0):
for i in range(1,2*n+1):
print(i,end=" ")
else:
l=[i for i in range(1,2*n+1)]
for i in range(1,k+1):
j=2*i-1
m=2*i
while(j<=m):
temp=l[j-1]
l[j-1]=l[m-... | output | 1 | 55,938 | 12 | 111,877 |
Provide tags and a correct Python 3 solution for this coding contest problem.
A permutation p is an ordered group of numbers p1, p2, ..., pn, consisting of n distinct positive integers, each is no more than n. We'll define number n as the length of permutation p1, p2, ..., pn.
Simon has a positive integer n and a non... | instruction | 0 | 55,939 | 12 | 111,878 |
Tags: constructive algorithms, dp, math
Correct Solution:
```
n, k = map(int, input().split())
if n == 0:
print(0)
else:
arr = [0] * 2 * n
for i in range(2 * n):
arr[i] = i + 1
for i in range(0, 2 * k, 2):
temp = arr[i]
arr[i] = arr[i + 1]
arr[i + 1] = temp
for i in range(2 * n):
... | output | 1 | 55,939 | 12 | 111,879 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
A permutation p is an ordered group of numbers p1, p2, ..., pn, consisting of n distinct positive integers, each is no more than n. We'll define number n as the length of permutation p1, p2, ...... | instruction | 0 | 55,940 | 12 | 111,880 |
Yes | output | 1 | 55,940 | 12 | 111,881 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
A permutation p is an ordered group of numbers p1, p2, ..., pn, consisting of n distinct positive integers, each is no more than n. We'll define number n as the length of permutation p1, p2, ...... | instruction | 0 | 55,941 | 12 | 111,882 |
Yes | output | 1 | 55,941 | 12 | 111,883 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
A permutation p is an ordered group of numbers p1, p2, ..., pn, consisting of n distinct positive integers, each is no more than n. We'll define number n as the length of permutation p1, p2, ...... | instruction | 0 | 55,942 | 12 | 111,884 |
Yes | output | 1 | 55,942 | 12 | 111,885 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
A permutation p is an ordered group of numbers p1, p2, ..., pn, consisting of n distinct positive integers, each is no more than n. We'll define number n as the length of permutation p1, p2, ...... | instruction | 0 | 55,943 | 12 | 111,886 |
Yes | output | 1 | 55,943 | 12 | 111,887 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
A permutation p is an ordered group of numbers p1, p2, ..., pn, consisting of n distinct positive integers, each is no more than n. We'll define number n as the length of permutation p1, p2, ...... | instruction | 0 | 55,944 | 12 | 111,888 |
No | output | 1 | 55,944 | 12 | 111,889 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
A permutation p is an ordered group of numbers p1, p2, ..., pn, consisting of n distinct positive integers, each is no more than n. We'll define number n as the length of permutation p1, p2, ...... | instruction | 0 | 55,945 | 12 | 111,890 |
No | output | 1 | 55,945 | 12 | 111,891 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
A permutation p is an ordered group of numbers p1, p2, ..., pn, consisting of n distinct positive integers, each is no more than n. We'll define number n as the length of permutation p1, p2, ...... | instruction | 0 | 55,946 | 12 | 111,892 |
No | output | 1 | 55,946 | 12 | 111,893 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
A permutation p is an ordered group of numbers p1, p2, ..., pn, consisting of n distinct positive integers, each is no more than n. We'll define number n as the length of permutation p1, p2, ...... | instruction | 0 | 55,947 | 12 | 111,894 |
No | output | 1 | 55,947 | 12 | 111,895 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You come home and fell some unpleasant smell. Where is it coming from?
You are given an array a. You have to answer the following queries:
1. You are given two integers l and r. Let ci be t... | instruction | 0 | 56,147 | 12 | 112,294 |
No | output | 1 | 56,147 | 12 | 112,295 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You come home and fell some unpleasant smell. Where is it coming from?
You are given an array a. You have to answer the following queries:
1. You are given two integers l and r. Let ci be t... | instruction | 0 | 56,148 | 12 | 112,296 |
No | output | 1 | 56,148 | 12 | 112,297 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You come home and fell some unpleasant smell. Where is it coming from?
You are given an array a. You have to answer the following queries:
1. You are given two integers l and r. Let ci be t... | instruction | 0 | 56,149 | 12 | 112,298 |
No | output | 1 | 56,149 | 12 | 112,299 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Andrey thinks he is truly a successful developer, but in reality he didn't know about the binary search algorithm until recently. After reading some literature Andrey understood that this algorithm allows to quickly find a certain number x i... | instruction | 0 | 56,576 | 12 | 113,152 |
Tags: binary search, combinatorics
Correct Solution:
```
import math
teststring = """123 42 24
"""
online = "Problem_C" not in __file__
true, false = True, False
if True:
def spitout():
for c in teststring.splitlines():
yield c
_ito = spitout()
if not online:
def input():
... | output | 1 | 56,576 | 12 | 113,153 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Andrey thinks he is truly a successful developer, but in reality he didn't know about the binary search algorithm until recently. After reading some literature Andrey understood that this algorithm allows to quickly find a certain number x i... | instruction | 0 | 56,577 | 12 | 113,154 |
Tags: binary search, combinatorics
Correct Solution:
```
from math import factorial
n, x, pos = map(int, input().split())
MOD = (10**9) + 7
small, big, ans = x-1, n-x, 1
l, r = 0, n
while l < r:
mid = (l + r) //2
if mid < pos:
ans *= small
small -= 1
l = mid + 1
elif mid > pos:
... | output | 1 | 56,577 | 12 | 113,155 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Andrey thinks he is truly a successful developer, but in reality he didn't know about the binary search algorithm until recently. After reading some literature Andrey understood that this algorithm allows to quickly find a certain number x i... | instruction | 0 | 56,578 | 12 | 113,156 |
Tags: binary search, combinatorics
Correct Solution:
```
import math
yes = "YES"
no = "NO"
lower = "L"
higher = "H"
same = "O"
def bin_search(a, x):
left = 0
right = len(a)
res = []
while left < right:
mid = (left + right) // 2
if a[mid] < x:
left = mid + 1
res... | output | 1 | 56,578 | 12 | 113,157 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Andrey thinks he is truly a successful developer, but in reality he didn't know about the binary search algorithm until recently. After reading some literature Andrey understood that this algorithm allows to quickly find a certain number x i... | instruction | 0 | 56,579 | 12 | 113,158 |
Tags: binary search, combinatorics
Correct Solution:
```
mod=10**9+7
def modExp(a,n,m=10**9+7):
if n==0:
return 1
elif n==1:
return a
else:
while n>=2:
if n%2==0:
n=n//2
return modExp(((a%m)*(a%m))%m,n,m)
else:
n... | output | 1 | 56,579 | 12 | 113,159 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Andrey thinks he is truly a successful developer, but in reality he didn't know about the binary search algorithm until recently. After reading some literature Andrey understood that this algorithm allows to quickly find a certain number x i... | instruction | 0 | 56,580 | 12 | 113,160 |
Tags: binary search, combinatorics
Correct Solution:
```
# Legends Always Come Up with Solution
# Author: Manvir Singh
import os
from io import BytesIO, IOBase
import sys
from collections import defaultdict,deque,Counter
from bisect import *
from math import sqrt,pi,ceil,log
import math
from itertools import permutati... | output | 1 | 56,580 | 12 | 113,161 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Andrey thinks he is truly a successful developer, but in reality he didn't know about the binary search algorithm until recently. After reading some literature Andrey understood that this algorithm allows to quickly find a certain number x i... | instruction | 0 | 56,581 | 12 | 113,162 |
Tags: binary search, combinatorics
Correct Solution:
```
import sys
input = sys.stdin.readline
I = lambda : list(map(int,input().split()))
def ncr(n,r,p=10**9+7):
if n<r:
return 0
num=1
r=min(r,n-r)
ct=1
while ct <=r:
num=(num*n)%p
num=(num*pow(ct,p-2,p))%p
ct+=1;n-=1
return num%p
n,x,pos=I()
md=10**9+... | output | 1 | 56,581 | 12 | 113,163 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Andrey thinks he is truly a successful developer, but in reality he didn't know about the binary search algorithm until recently. After reading some literature Andrey understood that this algorithm allows to quickly find a certain number x i... | instruction | 0 | 56,582 | 12 | 113,164 |
Tags: binary search, combinatorics
Correct Solution:
```
n,x,pos = map(int,input().split())
a = [0] * n
low,high = x - 1, n - x
l,r = 0,n
found = False
ans = 0
while l < r:
m = (l + r) // 2
if pos < m:
if high == 0:
ans = -1
break
a[m] = high
high -= 1
r ... | output | 1 | 56,582 | 12 | 113,165 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Andrey thinks he is truly a successful developer, but in reality he didn't know about the binary search algorithm until recently. After reading some literature Andrey understood that this algorithm allows to quickly find a certain number x i... | instruction | 0 | 56,583 | 12 | 113,166 |
Tags: binary search, combinatorics
Correct Solution:
```
mod = 10**9+7
n, x, pos = map(int, input().split())
l = 0
r = n
lcheck = 0
ucheck = 0
while(l<r):
mid = (l+r)//2
if mid<=pos:
l = mid+1
if mid!=pos:
lcheck+=1
else:
r = mid
ucheck+=1
ll = x-1
rr = n-x
# pri... | output | 1 | 56,583 | 12 | 113,167 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Andrey thinks he is truly a successful developer, but in reality he didn't know about the binary search algorithm until recently. After reading some literature Andrey understood that this algori... | instruction | 0 | 56,584 | 12 | 113,168 |
Yes | output | 1 | 56,584 | 12 | 113,169 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Andrey thinks he is truly a successful developer, but in reality he didn't know about the binary search algorithm until recently. After reading some literature Andrey understood that this algori... | instruction | 0 | 56,585 | 12 | 113,170 |
Yes | output | 1 | 56,585 | 12 | 113,171 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Andrey thinks he is truly a successful developer, but in reality he didn't know about the binary search algorithm until recently. After reading some literature Andrey understood that this algori... | instruction | 0 | 56,586 | 12 | 113,172 |
Yes | output | 1 | 56,586 | 12 | 113,173 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Andrey thinks he is truly a successful developer, but in reality he didn't know about the binary search algorithm until recently. After reading some literature Andrey understood that this algori... | instruction | 0 | 56,587 | 12 | 113,174 |
Yes | output | 1 | 56,587 | 12 | 113,175 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Andrey thinks he is truly a successful developer, but in reality he didn't know about the binary search algorithm until recently. After reading some literature Andrey understood that this algori... | instruction | 0 | 56,588 | 12 | 113,176 |
No | output | 1 | 56,588 | 12 | 113,177 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Andrey thinks he is truly a successful developer, but in reality he didn't know about the binary search algorithm until recently. After reading some literature Andrey understood that this algori... | instruction | 0 | 56,589 | 12 | 113,178 |
No | output | 1 | 56,589 | 12 | 113,179 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Andrey thinks he is truly a successful developer, but in reality he didn't know about the binary search algorithm until recently. After reading some literature Andrey understood that this algori... | instruction | 0 | 56,590 | 12 | 113,180 |
No | output | 1 | 56,590 | 12 | 113,181 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Andrey thinks he is truly a successful developer, but in reality he didn't know about the binary search algorithm until recently. After reading some literature Andrey understood that this algori... | instruction | 0 | 56,591 | 12 | 113,182 |
No | output | 1 | 56,591 | 12 | 113,183 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Uh oh! Ray lost his array yet again! However, Omkar might be able to help because he thinks he has found the OmkArray of Ray's array. The OmkArray of an array a with elements a_1, a_2, …, a_{2k-1}, is the array b with elements b_1, b_2, …, b... | instruction | 0 | 56,628 | 12 | 113,256 |
Tags: data structures, greedy, implementation
Correct Solution:
```
def solve(n, a):
prev = a[0]
r = [10 ** 9];
l = [-r[0]]
for i in range(1, n):
if a[i] < prev:
if a[i] < l[-1]:
return False
elif a[i] == l[-1]:
l.pop()
r.append... | output | 1 | 56,628 | 12 | 113,257 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Uh oh! Ray lost his array yet again! However, Omkar might be able to help because he thinks he has found the OmkArray of Ray's array. The OmkArray of an array a with elements a_1, a_2, …, a_{2k-1}, is the array b with elements b_1, b_2, …, b... | instruction | 0 | 56,629 | 12 | 113,258 |
Tags: data structures, greedy, implementation
Correct Solution:
```
for _ in range(int(input())):
n = int(input())
b = list(map(int,input().split()))
next = dict()
prev = dict()
curr = b[0]
next[curr] = "!"
prev[curr] = "!"
fine = True
for i in b:
if i>curr:
if ne... | output | 1 | 56,629 | 12 | 113,259 |
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