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 a correct Python 3 solution for this coding contest problem.
You are given a permutation of 1,2,...,N: p_1,p_2,...,p_N. Determine if the state where p_i=i for every i can be reached by performing the following operation any number of times:
* Choose three elements p_{i-1},p_{i},p_{i+1} (2\leq i\leq N-1) such ... | instruction | 0 | 45,242 | 12 | 90,484 |
"Correct Solution:
```
import sys
read = sys.stdin.buffer.read
readline = sys.stdin.buffer.readline
readlines = sys.stdin.buffer.readlines
N = int(readline())
P = [0] + list(map(int,read().split()))
# permutationγ«γͺγ£γ¦γγζ₯΅ε°εΊιγ«εγγ
intervals = []
left = 0
right = -1
for i,p in enumerate(P):
if right < p:
righ... | output | 1 | 45,242 | 12 | 90,485 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given two arrays a and b, both of length n. All elements of both arrays are from 0 to n-1.
You can reorder elements of the array b (if you want, you may leave the order of elements as it is). After that, let array c be the array of ... | instruction | 0 | 45,440 | 12 | 90,880 |
Tags: binary search, data structures, greedy
Correct Solution:
```
n = int(input())
l1 = list(map(int,input().split()))
l2 = list(map(int,input().split()))
g = [i for i in range(1,n)]
g.append(0)
r=[]
c=[0]*n
for i in l2:
c[i]+=1
for i in l1:
d = (n-i)%n
while c[d]==0:
if c[g[d]]==0:
g[d... | output | 1 | 45,440 | 12 | 90,881 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given two arrays a and b, both of length n. All elements of both arrays are from 0 to n-1.
You can reorder elements of the array b (if you want, you may leave the order of elements as it is). After that, let array c be the array of ... | instruction | 0 | 45,441 | 12 | 90,882 |
Tags: binary search, data structures, greedy
Correct Solution:
```
from collections import Counter
n,a,b=int(input()),[int(i) for i in input().split()],[int(i) for i in input().split()]
c=Counter(b)
nex=list(range(1,n))+[0]
ans=[]
for i in a:
v=(n-i)%n
while c[v]==0:
if c[nex[v]]==0:
nex[v]=... | output | 1 | 45,441 | 12 | 90,883 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given two arrays a and b, both of length n. All elements of both arrays are from 0 to n-1.
You can reorder elements of the array b (if you want, you may leave the order of elements as it is). After that, let array c be the array of ... | instruction | 0 | 45,442 | 12 | 90,884 |
Tags: binary search, data structures, greedy
Correct Solution:
```
import sys
input=sys.stdin.readline
n=int(input())
a=list(map(int,input().split()))
b=list(map(int,input().split()))
right=[(i+1)%n for i in range(n)]
c=[]
cnt=[0]*n
for bb in b:
cnt[bb]+=1
for aa in a:
tar=(n-aa)%n
while cnt[tar]==0:
... | output | 1 | 45,442 | 12 | 90,885 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given two arrays a and b, both of length n. All elements of both arrays are from 0 to n-1.
You can reorder elements of the array b (if you want, you may leave the order of elements as it is). After that, let array c be the array of ... | instruction | 0 | 45,443 | 12 | 90,886 |
Tags: binary search, data structures, greedy
Correct Solution:
```
from collections import Counter
n=int(input())
a=[int(i) for i in input().split()]
b=[int(i) for i in input().split()]
d=Counter(b)
ans=[]
e=list(range(1,n))+[0]
for i in a:
v=(n-i)%n
while d[v]==0:
if d[e[v]]==0:
e[v]=e[e[v]... | output | 1 | 45,443 | 12 | 90,887 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given two arrays a and b, both of length n. All elements of both arrays are from 0 to n-1.
You can reorder elements of the array b (if you want, you may leave the order of elements as it is). After that, let array c be the array of ... | instruction | 0 | 45,444 | 12 | 90,888 |
Tags: binary search, data structures, greedy
Correct Solution:
```
from collections import defaultdict, deque, Counter
from sys import stdin, stdout
from heapq import heappush, heappop, heapify
import math
import io
import os
import math
import bisect
#?############################################################
de... | output | 1 | 45,444 | 12 | 90,889 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given two arrays a and b, both of length n. All elements of both arrays are from 0 to n-1.
You can reorder elements of the array b (if you want, you may leave the order of elements as it is). After that, let array c be the array of ... | instruction | 0 | 45,445 | 12 | 90,890 |
Tags: binary search, data structures, greedy
Correct Solution:
```
# Legends Always Come Up with Solution
# Author: Manvir Singh
import os
import sys
from io import BytesIO, IOBase
class SortedList:
def __init__(self, iterable=None, _load=200):
"""Initialize sorted list instance."""
if iterable is ... | output | 1 | 45,445 | 12 | 90,891 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given two arrays a and b, both of length n. All elements of both arrays are from 0 to n-1.
You can reorder elements of the array b (if you want, you may leave the order of elements as it is). After that, let array c be the array of ... | instruction | 0 | 45,446 | 12 | 90,892 |
Tags: binary search, data structures, greedy
Correct Solution:
```
class SegmentTree:
@classmethod
def all_identity(cls, operator, equality, identity, size):
return cls(operator, equality, identity, [identity]*(2 << (size-1).bit_length()))
@classmethod
def from_initial_data(cls, operator, equ... | output | 1 | 45,446 | 12 | 90,893 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given two arrays a and b, both of length n. All elements of both arrays are from 0 to n-1.
You can reorder elements of the array b (if you want, you may leave the order of elements as it is). After that, let array c be the array of ... | instruction | 0 | 45,447 | 12 | 90,894 |
Tags: binary search, data structures, greedy
Correct Solution:
```
n = int(input())
a = map(int, input().split())
d = [0] * n
for v in map(int, input().split()):
d[v] += 1
p = list(range(1, n)) + [0]
r = []
for x in a:
v = (n - x) % n
while d[v] == 0:
if d[p[v]] == 0:
p[v] = p[p[v]]
v = p[v]
r += [(x + v) % ... | output | 1 | 45,447 | 12 | 90,895 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given two arrays a and b, both of length n. All elements of both arrays are from 0 to n-1.
You can reorder elements of the array b (if you want, you may leave the order of elements as i... | instruction | 0 | 45,448 | 12 | 90,896 |
Yes | output | 1 | 45,448 | 12 | 90,897 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given two arrays a and b, both of length n. All elements of both arrays are from 0 to n-1.
You can reorder elements of the array b (if you want, you may leave the order of elements as i... | instruction | 0 | 45,449 | 12 | 90,898 |
Yes | output | 1 | 45,449 | 12 | 90,899 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given two arrays a and b, both of length n. All elements of both arrays are from 0 to n-1.
You can reorder elements of the array b (if you want, you may leave the order of elements as i... | instruction | 0 | 45,450 | 12 | 90,900 |
Yes | output | 1 | 45,450 | 12 | 90,901 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given two arrays a and b, both of length n. All elements of both arrays are from 0 to n-1.
You can reorder elements of the array b (if you want, you may leave the order of elements as i... | instruction | 0 | 45,451 | 12 | 90,902 |
Yes | output | 1 | 45,451 | 12 | 90,903 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given two arrays a and b, both of length n. All elements of both arrays are from 0 to n-1.
You can reorder elements of the array b (if you want, you may leave the order of elements as i... | instruction | 0 | 45,452 | 12 | 90,904 |
No | output | 1 | 45,452 | 12 | 90,905 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given two arrays a and b, both of length n. All elements of both arrays are from 0 to n-1.
You can reorder elements of the array b (if you want, you may leave the order of elements as i... | instruction | 0 | 45,453 | 12 | 90,906 |
No | output | 1 | 45,453 | 12 | 90,907 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given two arrays a and b, both of length n. All elements of both arrays are from 0 to n-1.
You can reorder elements of the array b (if you want, you may leave the order of elements as i... | instruction | 0 | 45,454 | 12 | 90,908 |
No | output | 1 | 45,454 | 12 | 90,909 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given two arrays a and b, both of length n. All elements of both arrays are from 0 to n-1.
You can reorder elements of the array b (if you want, you may leave the order of elements as i... | instruction | 0 | 45,455 | 12 | 90,910 |
No | output | 1 | 45,455 | 12 | 90,911 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a sequence a_1, a_2, ..., a_n consisting of n non-zero integers (i.e. a_i β 0).
You have to calculate two following values:
1. the number of pairs of indices (l, r) (l β€ r) such that a_l β
a_{l + 1} ... a_{r - 1} β
a_r is ... | instruction | 0 | 45,480 | 12 | 90,960 |
Tags: combinatorics, dp, implementation
Correct Solution:
```
import sys
input = sys.stdin.readline
t = 1
# t = int(input())
for _ in range(t):
n = int(input())
a = [int(x) for x in input().split()]
total = n*(n+1)//2
neg = 0
pos = 0
ans = 0
for i in range(n):
if a[i] < 0:
... | output | 1 | 45,480 | 12 | 90,961 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a sequence a_1, a_2, ..., a_n consisting of n non-zero integers (i.e. a_i β 0).
You have to calculate two following values:
1. the number of pairs of indices (l, r) (l β€ r) such that a_l β
a_{l + 1} ... a_{r - 1} β
a_r is ... | instruction | 0 | 45,481 | 12 | 90,962 |
Tags: combinatorics, dp, implementation
Correct Solution:
```
from sys import stdin,stdout
for _ in range(1):#int(stdin.readline())):
n=int(stdin.readline())
a=list(map(int,stdin.readline().split()))
dp=[[0 for _ in range(2)] for _ in range(n)]
if a[0]<0:dp[0][1]=1
else:dp[0][0]=1
for i in range... | output | 1 | 45,481 | 12 | 90,963 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a sequence a_1, a_2, ..., a_n consisting of n non-zero integers (i.e. a_i β 0).
You have to calculate two following values:
1. the number of pairs of indices (l, r) (l β€ r) such that a_l β
a_{l + 1} ... a_{r - 1} β
a_r is ... | instruction | 0 | 45,482 | 12 | 90,964 |
Tags: combinatorics, dp, implementation
Correct Solution:
```
n = int(input())
def m(x):
return -1 if int(x) < 0 else 1
l = list(map(m, input().split()))
pos = 1
neg = 0
t = 1
for x in l:
t *= x
if t < 0:
neg += 1
else:
pos += 1
print(neg * pos, neg * (neg - 1) // 2 + (pos * (pos - 1... | output | 1 | 45,482 | 12 | 90,965 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a sequence a_1, a_2, ..., a_n consisting of n non-zero integers (i.e. a_i β 0).
You have to calculate two following values:
1. the number of pairs of indices (l, r) (l β€ r) such that a_l β
a_{l + 1} ... a_{r - 1} β
a_r is ... | instruction | 0 | 45,483 | 12 | 90,966 |
Tags: combinatorics, dp, implementation
Correct Solution:
```
'''
Auther: ghoshashis545 Ashis Ghosh
College: jalpaiguri Govt Enggineering College
Date:09/06/2020
'''
from os import path
import sys
from functools import cmp_to_key as ctk
from collections import deque,defaultdict as dd
from bisect import bi... | output | 1 | 45,483 | 12 | 90,967 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a sequence a_1, a_2, ..., a_n consisting of n non-zero integers (i.e. a_i β 0).
You have to calculate two following values:
1. the number of pairs of indices (l, r) (l β€ r) such that a_l β
a_{l + 1} ... a_{r - 1} β
a_r is ... | instruction | 0 | 45,484 | 12 | 90,968 |
Tags: combinatorics, dp, implementation
Correct Solution:
```
n = int(input())
a = [int(x) for x in input().split()]
N = (n*(n+1))//2
total = 0
pos = 0
for i in range(0, n):
if(a[i] < 0):
pos = i - pos
total += pos
else:
pos += 1
total += pos
print(N - total, total)
``` | output | 1 | 45,484 | 12 | 90,969 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a sequence a_1, a_2, ..., a_n consisting of n non-zero integers (i.e. a_i β 0).
You have to calculate two following values:
1. the number of pairs of indices (l, r) (l β€ r) such that a_l β
a_{l + 1} ... a_{r - 1} β
a_r is ... | instruction | 0 | 45,485 | 12 | 90,970 |
Tags: combinatorics, dp, implementation
Correct Solution:
```
n = int(input())
a = list(map(int,input().split()))
dp = [[0 for i in range(2)]for j in range(n)]
dp[0][1] = 1 if a[0]<0 else 0
dp[0][0] = 1 if a[0]>0 else 0
for i in range(1,n):
if a[i]>0:
dp[i][0] = 1+dp[i-1][0]
dp[i][1] = dp[i-1][1]
... | output | 1 | 45,485 | 12 | 90,971 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a sequence a_1, a_2, ..., a_n consisting of n non-zero integers (i.e. a_i β 0).
You have to calculate two following values:
1. the number of pairs of indices (l, r) (l β€ r) such that a_l β
a_{l + 1} ... a_{r - 1} β
a_r is ... | instruction | 0 | 45,486 | 12 | 90,972 |
Tags: combinatorics, dp, implementation
Correct Solution:
```
n = int(input())
lis = [int(x) for x in input().split()]
total = 0
negative_elements = 0
even_before = 0
odd_before = 0
for i in (lis):
if i < 0:
if negative_elements % 2 == 0:
total += odd_before
even_before+=1
e... | output | 1 | 45,486 | 12 | 90,973 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a sequence a_1, a_2, ..., a_n consisting of n non-zero integers (i.e. a_i β 0).
You have to calculate two following values:
1. the number of pairs of indices (l, r) (l β€ r) such that a_l β
a_{l + 1} ... a_{r - 1} β
a_r is ... | instruction | 0 | 45,487 | 12 | 90,974 |
Tags: combinatorics, dp, implementation
Correct Solution:
```
n = int(input())
a = [int(x) for x in input().split(' ')]
a = [c // (abs(c)) for c in a]
p = [1]
for i in range(n):
p.append(p[-1] * a[i])
del p[0]
m = len([c for c in p if c < 0])
ans = m * (n - m + 1)
print(ans, (n * (n + 1)) // 2 - ans)
``` | output | 1 | 45,487 | 12 | 90,975 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given a sequence a_1, a_2, ..., a_n consisting of n non-zero integers (i.e. a_i β 0).
You have to calculate two following values:
1. the number of pairs of indices (l, r) (l β€ r) su... | instruction | 0 | 45,492 | 12 | 90,984 |
No | output | 1 | 45,492 | 12 | 90,985 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a deck of n cards numbered from 1 to n (not necessarily in this order in the deck). You have to sort the deck by repeating the following operation.
* Choose 2 β€ k β€ n and split the deck in k nonempty contiguous parts D_1, D... | instruction | 0 | 45,571 | 12 | 91,142 |
Tags: constructive algorithms, implementation
Correct Solution:
```
import os,io
input=io.BytesIO(os.read(0,os.fstat(0).st_size)).readline
n=int(input())
a=list(map(int,input().split()))
ans=[]
if a[n-1]==1:
parity=1
else:
parity=0
for i in range(n-1):
if parity%2==0:
for j in range(n):
if a[j]==i+1 and... | output | 1 | 45,571 | 12 | 91,143 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a deck of n cards numbered from 1 to n (not necessarily in this order in the deck). You have to sort the deck by repeating the following operation.
* Choose 2 β€ k β€ n and split the deck in k nonempty contiguous parts D_1, D... | instruction | 0 | 45,572 | 12 | 91,144 |
Tags: constructive algorithms, implementation
Correct Solution:
```
n = int(input())
*arr, = map(int, input().split())
orig_arr = arr.copy()
operations = []
left = not bool(n % 2)
sorted_len = 0
def apply(arr, op):
# print("applying", op, "to", arr)
new_arr = []
offset = 0
for dist in op:
new... | output | 1 | 45,572 | 12 | 91,145 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a deck of n cards numbered from 1 to n (not necessarily in this order in the deck). You have to sort the deck by repeating the following operation.
* Choose 2 β€ k β€ n and split the deck in k nonempty contiguous parts D_1, D... | instruction | 0 | 45,573 | 12 | 91,146 |
Tags: constructive algorithms, implementation
Correct Solution:
```
n = int(input())
a = list(map(int, input().split()))
res = []
for _ in range(n):
li = []
flag = False
for i in range(n):
if flag:
break
for j in range(i + 1, n):
if a[i] - 1 == a[j]:
... | output | 1 | 45,573 | 12 | 91,147 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a deck of n cards numbered from 1 to n (not necessarily in this order in the deck). You have to sort the deck by repeating the following operation.
* Choose 2 β€ k β€ n and split the deck in k nonempty contiguous parts D_1, D... | instruction | 0 | 45,574 | 12 | 91,148 |
Tags: constructive algorithms, implementation
Correct Solution:
```
def ope(li, ti):
ans = []
if ti % 2 == 0:
tmp = []
for a in range(len(li) - 1):
tmp.append(li[a])
if li[a] > li[a + 1]:
ans.append(tmp)
tmp = []
tmp.append(li[a + 1... | output | 1 | 45,574 | 12 | 91,149 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a deck of n cards numbered from 1 to n (not necessarily in this order in the deck). You have to sort the deck by repeating the following operation.
* Choose 2 β€ k β€ n and split the deck in k nonempty contiguous parts D_1, D... | instruction | 0 | 45,575 | 12 | 91,150 |
Tags: constructive algorithms, implementation
Correct Solution:
```
n = int(input())
c = list(map(int, input().split()))
ans = []
while True:
seen = [False]*60
for i in range(n):
if seen[c[i]+1]:
break
seen[c[i]] = True
else:
break
if i+1<n:
sep = [i+1]
el... | output | 1 | 45,575 | 12 | 91,151 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a deck of n cards numbered from 1 to n (not necessarily in this order in the deck). You have to sort the deck by repeating the following operation.
* Choose 2 β€ k β€ n and split the deck in k nonempty contiguous parts D_1, D... | instruction | 0 | 45,576 | 12 | 91,152 |
Tags: constructive algorithms, implementation
Correct Solution:
```
n = int(input())
c = [int(i) for i in input().split(" ")]
ans = []
left = 0
right = 0
m = (n+1)//2+1
target = m-1
# print(c)
for t in range(n):
now0 = []
if n % 2 == 0:
if t % 2 == 0:
target = m + t//2
else:
target = 1 + t//2
... | output | 1 | 45,576 | 12 | 91,153 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a deck of n cards numbered from 1 to n (not necessarily in this order in the deck). You have to sort the deck by repeating the following operation.
* Choose 2 β€ k β€ n and split the deck in k nonempty contiguous parts D_1, D... | instruction | 0 | 45,577 | 12 | 91,154 |
Tags: constructive algorithms, implementation
Correct Solution:
```
import io
import os
from collections import Counter, defaultdict, deque
def solve(N, C):
target = list(range(1, N + 1))
ops = []
while C != target:
for i in range(1, N):
j = i + 1
ii = C.index(i)
... | output | 1 | 45,577 | 12 | 91,155 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a deck of n cards numbered from 1 to n (not necessarily in this order in the deck). You have to sort the deck by repeating the following operation.
* Choose 2 β€ k β€ n and split the deck in k nonempty contiguous parts D_1, D... | instruction | 0 | 45,578 | 12 | 91,156 |
Tags: constructive algorithms, implementation
Correct Solution:
```
n = int(input())
c = [int(x) for x in input().split()]
solved = c.copy()
solved.sort()
ans = []
for i in range(1, n):
for j in range(1, n):
a = c.index(j)
b = c.index(j+1)
z = b+1
if b > a:
if a+1 =... | output | 1 | 45,578 | 12 | 91,157 |
Provide tags and a correct Python 3 solution for this coding contest problem.
On the competitive programming platform CodeCook, every person has a rating graph described by an array of integers a of length n. You are now updating the infrastructure, so you've created a program to compress these graphs.
The program wo... | instruction | 0 | 45,587 | 12 | 91,174 |
Tags: binary search, data structures, greedy, implementation, two pointers
Correct Solution:
```
for _ in range(int(input())):
n = int(input())
arr = list(map(int, input().split()))
s = ["0" for i in range(n)]
c = [0]*n
for i in range(n):
c[arr[i]-1] += 1
if c[0]>0: s[-1] = "1"
i = 0... | output | 1 | 45,587 | 12 | 91,175 |
Provide tags and a correct Python 3 solution for this coding contest problem.
On the competitive programming platform CodeCook, every person has a rating graph described by an array of integers a of length n. You are now updating the infrastructure, so you've created a program to compress these graphs.
The program wo... | instruction | 0 | 45,588 | 12 | 91,176 |
Tags: binary search, data structures, greedy, implementation, two pointers
Correct Solution:
```
import sys
from collections import deque, Counter
readline = sys.stdin.readline
T = int(readline())
Ans = [None]*T
for qu in range(T):
N = int(readline())
A = list(map(int, readline().split()))
CA = Counter(A)... | output | 1 | 45,588 | 12 | 91,177 |
Provide tags and a correct Python 3 solution for this coding contest problem.
On the competitive programming platform CodeCook, every person has a rating graph described by an array of integers a of length n. You are now updating the infrastructure, so you've created a program to compress these graphs.
The program wo... | instruction | 0 | 45,589 | 12 | 91,178 |
Tags: binary search, data structures, greedy, implementation, two pointers
Correct Solution:
```
class SortedList:
def __init__(self, iterable=[], _load=200):
"""Initialize sorted list instance."""
values = sorted(iterable)
self._len = _len = len(values)
self._load = _load
se... | output | 1 | 45,589 | 12 | 91,179 |
Provide tags and a correct Python 3 solution for this coding contest problem.
On the competitive programming platform CodeCook, every person has a rating graph described by an array of integers a of length n. You are now updating the infrastructure, so you've created a program to compress these graphs.
The program wo... | instruction | 0 | 45,590 | 12 | 91,180 |
Tags: binary search, data structures, greedy, implementation, two pointers
Correct Solution:
```
import sys
input=sys.stdin.readline
t=int(input())
for you in range(t):
n=int(input())
l=input().split()
li=[int(i) for i in l]
curr=1
start=0
end=n-1
while(start<=end):
if(li[start]==cur... | output | 1 | 45,590 | 12 | 91,181 |
Provide tags and a correct Python 3 solution for this coding contest problem.
On the competitive programming platform CodeCook, every person has a rating graph described by an array of integers a of length n. You are now updating the infrastructure, so you've created a program to compress these graphs.
The program wo... | instruction | 0 | 45,591 | 12 | 91,182 |
Tags: binary search, data structures, greedy, implementation, two pointers
Correct Solution:
```
import sys
input=sys.stdin.buffer.readline #FOR READING PURE INTEGER INPUTS (space separation ok)
import math
#MIN QUERIES
class RMQMIN(): #for MIN queries
def __init__(self,arr):
self.arr=arr
MAXN=len... | output | 1 | 45,591 | 12 | 91,183 |
Provide tags and a correct Python 3 solution for this coding contest problem.
On the competitive programming platform CodeCook, every person has a rating graph described by an array of integers a of length n. You are now updating the infrastructure, so you've created a program to compress these graphs.
The program wo... | instruction | 0 | 45,592 | 12 | 91,184 |
Tags: binary search, data structures, greedy, implementation, two pointers
Correct Solution:
```
from math import sqrt
import sys
import os
from io import BytesIO, IOBase
#Fast IO Region
BUFSIZE = 8192
class FastIO(IOBase):
newlines = 0
def __init__(self, file):
self._fd = file.fileno()
self.bu... | output | 1 | 45,592 | 12 | 91,185 |
Provide tags and a correct Python 3 solution for this coding contest problem.
On the competitive programming platform CodeCook, every person has a rating graph described by an array of integers a of length n. You are now updating the infrastructure, so you've created a program to compress these graphs.
The program wo... | instruction | 0 | 45,593 | 12 | 91,186 |
Tags: binary search, data structures, greedy, implementation, two pointers
Correct Solution:
```
import sys
input = lambda: sys.stdin.readline().rstrip()
T = int(input())
for _ in range(T):
N = int(input())
A = [int(a) - 1 for a in input().split()]
C = [0] * N
for a in A:
C[a] += 1
l, r = 0... | output | 1 | 45,593 | 12 | 91,187 |
Provide tags and a correct Python 3 solution for this coding contest problem.
On the competitive programming platform CodeCook, every person has a rating graph described by an array of integers a of length n. You are now updating the infrastructure, so you've created a program to compress these graphs.
The program wo... | instruction | 0 | 45,594 | 12 | 91,188 |
Tags: binary search, data structures, greedy, implementation, two pointers
Correct Solution:
```
import sys
import math,bisect,operator
inf,m = float('inf'),10**9+7
sys.setrecursionlimit(10 ** 5)
from itertools import groupby,accumulate
from heapq import heapify,heappop,heappush
from collections import deque,Counter,de... | output | 1 | 45,594 | 12 | 91,189 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
On the competitive programming platform CodeCook, every person has a rating graph described by an array of integers a of length n. You are now updating the infrastructure, so you've created a pr... | instruction | 0 | 45,595 | 12 | 91,190 |
Yes | output | 1 | 45,595 | 12 | 91,191 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
On the competitive programming platform CodeCook, every person has a rating graph described by an array of integers a of length n. You are now updating the infrastructure, so you've created a pr... | instruction | 0 | 45,596 | 12 | 91,192 |
Yes | output | 1 | 45,596 | 12 | 91,193 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
On the competitive programming platform CodeCook, every person has a rating graph described by an array of integers a of length n. You are now updating the infrastructure, so you've created a pr... | instruction | 0 | 45,597 | 12 | 91,194 |
Yes | output | 1 | 45,597 | 12 | 91,195 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
On the competitive programming platform CodeCook, every person has a rating graph described by an array of integers a of length n. You are now updating the infrastructure, so you've created a pr... | instruction | 0 | 45,598 | 12 | 91,196 |
Yes | output | 1 | 45,598 | 12 | 91,197 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
On the competitive programming platform CodeCook, every person has a rating graph described by an array of integers a of length n. You are now updating the infrastructure, so you've created a pr... | instruction | 0 | 45,599 | 12 | 91,198 |
No | output | 1 | 45,599 | 12 | 91,199 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
On the competitive programming platform CodeCook, every person has a rating graph described by an array of integers a of length n. You are now updating the infrastructure, so you've created a pr... | instruction | 0 | 45,600 | 12 | 91,200 |
No | output | 1 | 45,600 | 12 | 91,201 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
On the competitive programming platform CodeCook, every person has a rating graph described by an array of integers a of length n. You are now updating the infrastructure, so you've created a pr... | instruction | 0 | 45,601 | 12 | 91,202 |
No | output | 1 | 45,601 | 12 | 91,203 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
On the competitive programming platform CodeCook, every person has a rating graph described by an array of integers a of length n. You are now updating the infrastructure, so you've created a pr... | instruction | 0 | 45,602 | 12 | 91,204 |
No | output | 1 | 45,602 | 12 | 91,205 |
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