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.
Arithmetic Progressions
An arithmetic progression is a sequence of numbers $a_1, a_2, ..., a_k$ where the difference of consecutive members $a_{i+1} - a_i$ is a constant ($1 \leq i \leq k-1$). For example, the sequence 5, 8, 11, 14, 17 is an arithme... | instruction | 0 | 35,922 | 12 | 71,844 |
"Correct Solution:
```
#!/usr/bin/python3
import os
import sys
def main():
N = read_int()
V = read_ints()
print(solve(N, V))
def solve(N, V):
V.sort()
pos = {}
for i, a in enumerate(V):
pos[a] = i
best = 2
done = [[False] * N for _ in range(N)]
for i in range(N):
... | output | 1 | 35,922 | 12 | 71,845 |
Provide a correct Python 3 solution for this coding contest problem.
Quick sort is based on the Divide-and-conquer approach. In QuickSort(A, p, r), first, a procedure Partition(A, p, r) divides an array A[p..r] into two subarrays A[p..q-1] and A[q+1..r] such that each element of A[p..q-1] is less than or equal to A[q]... | instruction | 0 | 35,954 | 12 | 71,908 |
"Correct Solution:
```
def partition(A, p, r):
x = A[r]
i = p-1
for j in range(p,r):
if A[j] <= x:
i = i+1
A[i],A[j] = A[j],A[i]
A[i+1],A[r] = A[r],A[i+1]
for j,k in enumerate(A):A[j] = str(k)
A[i+1] = "["+A[i+1]+"]"
return i+1
n = int(input())
A = [int(i) fo... | output | 1 | 35,954 | 12 | 71,909 |
Provide a correct Python 3 solution for this coding contest problem.
Quick sort is based on the Divide-and-conquer approach. In QuickSort(A, p, r), first, a procedure Partition(A, p, r) divides an array A[p..r] into two subarrays A[p..q-1] and A[q+1..r] such that each element of A[p..q-1] is less than or equal to A[q]... | instruction | 0 | 35,955 | 12 | 71,910 |
"Correct Solution:
```
# coding: utf-8
# Your code here!
def partition(A,p,r):
x = A[r]
i = p-1
for j in range(p,r):
if A[j] <= x:
i = i + 1
A[i],A[j] = A[j],A[i]
A[i+1],A[r] = A[r],A[i+1]
return i + 1
n = int(input())
A = [int(e) for e in input().split()]
b = partit... | output | 1 | 35,955 | 12 | 71,911 |
Provide a correct Python 3 solution for this coding contest problem.
Quick sort is based on the Divide-and-conquer approach. In QuickSort(A, p, r), first, a procedure Partition(A, p, r) divides an array A[p..r] into two subarrays A[p..q-1] and A[q+1..r] such that each element of A[p..q-1] is less than or equal to A[q]... | instruction | 0 | 35,956 | 12 | 71,912 |
"Correct Solution:
```
# coding=utf-8
def partition(A, p, r):
x = A[r]
i = p - 1
for j in range(p, r):
if A[j] <= x:
i = i+1
A[i], A[j] = A[j], A[i]
A[i+1], A[r] = A[r], A[i+1]
return i+1
n = int(input())
A = list(map(int, input().split()))
m = partition(A, 0, n-1)
... | output | 1 | 35,956 | 12 | 71,913 |
Provide a correct Python 3 solution for this coding contest problem.
Quick sort is based on the Divide-and-conquer approach. In QuickSort(A, p, r), first, a procedure Partition(A, p, r) divides an array A[p..r] into two subarrays A[p..q-1] and A[q+1..r] such that each element of A[p..q-1] is less than or equal to A[q]... | instruction | 0 | 35,957 | 12 | 71,914 |
"Correct Solution:
```
n=int(input())
nums=list(map(int,input().split()))
def partition(nums,p,r):
i=p-1
x=nums[r]
for k in range(p,r):
if nums[k]<=x:
i+=1
nums[i],nums[k]=nums[k],nums[i]
nums[i+1],nums[r]=nums[r],nums[i+1]
return i+1
i=partition(nums,0,n-1)
nums[i]... | output | 1 | 35,957 | 12 | 71,915 |
Provide a correct Python 3 solution for this coding contest problem.
Quick sort is based on the Divide-and-conquer approach. In QuickSort(A, p, r), first, a procedure Partition(A, p, r) divides an array A[p..r] into two subarrays A[p..q-1] and A[q+1..r] such that each element of A[p..q-1] is less than or equal to A[q]... | instruction | 0 | 35,958 | 12 | 71,916 |
"Correct Solution:
```
n = int(input())
A = [int(x) for x in input().split()]
def partition(A, p, r):
x = A[r]
i = p
for j in range(p, r):
if A[j] <= x:
A[i], A[j] = A[j], A[i]
i += 1
A[i], A[r] = A[r], A[i]
return i
r = partition(A, 0, n - 1)
ans = [str(x) for... | output | 1 | 35,958 | 12 | 71,917 |
Provide a correct Python 3 solution for this coding contest problem.
Quick sort is based on the Divide-and-conquer approach. In QuickSort(A, p, r), first, a procedure Partition(A, p, r) divides an array A[p..r] into two subarrays A[p..q-1] and A[q+1..r] such that each element of A[p..q-1] is less than or equal to A[q]... | instruction | 0 | 35,959 | 12 | 71,918 |
"Correct Solution:
```
n=int(input())-1
A=list(map(int,input().split()))
i=0
for j in range(n):
if A[j]<=A[-1]:A[i],A[j]=A[j],A[i];i+=1
A[i],A[n]='['+str(A[n])+']',A[i]
print(*A)
``` | output | 1 | 35,959 | 12 | 71,919 |
Provide a correct Python 3 solution for this coding contest problem.
Quick sort is based on the Divide-and-conquer approach. In QuickSort(A, p, r), first, a procedure Partition(A, p, r) divides an array A[p..r] into two subarrays A[p..q-1] and A[q+1..r] such that each element of A[p..q-1] is less than or equal to A[q]... | instruction | 0 | 35,960 | 12 | 71,920 |
"Correct Solution:
```
def partition(A, p, r):
x = A[r]
i = p-1
for j in range(p, r):
if A[j] <= x:
i = i+1
A[i], A[j] = A[j], A[i]
A[r] = "[" + str(A[r]) + "]"
A[i+1] , A[r] = A[r], A[i+1]
return i+1
n = int(input())
A = [int(x) for x in input().split()]
partition(A,0,n-1)
print... | output | 1 | 35,960 | 12 | 71,921 |
Provide a correct Python 3 solution for this coding contest problem.
Quick sort is based on the Divide-and-conquer approach. In QuickSort(A, p, r), first, a procedure Partition(A, p, r) divides an array A[p..r] into two subarrays A[p..q-1] and A[q+1..r] such that each element of A[p..q-1] is less than or equal to A[q]... | instruction | 0 | 35,961 | 12 | 71,922 |
"Correct Solution:
```
def partition(A, p, r):
x = A[r]
i = p - 1
for j in range(p, r):
if A[j] <= x:
i += 1
A[i], A[j] = A[j], A[i]
A[i + 1], A[r] = A[r], A[i + 1]
return i + 1
n = int(input())
A = list(map(int, input().split()))
index = partition(A, 0, n - 1)
A[in... | output | 1 | 35,961 | 12 | 71,923 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Quick sort is based on the Divide-and-conquer approach. In QuickSort(A, p, r), first, a procedure Partition(A, p, r) divides an array A[p..r] into two subarrays A[p..q-1] and A[q+1..r] such that... | instruction | 0 | 35,962 | 12 | 71,924 |
Yes | output | 1 | 35,962 | 12 | 71,925 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Quick sort is based on the Divide-and-conquer approach. In QuickSort(A, p, r), first, a procedure Partition(A, p, r) divides an array A[p..r] into two subarrays A[p..q-1] and A[q+1..r] such that... | instruction | 0 | 35,963 | 12 | 71,926 |
Yes | output | 1 | 35,963 | 12 | 71,927 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Quick sort is based on the Divide-and-conquer approach. In QuickSort(A, p, r), first, a procedure Partition(A, p, r) divides an array A[p..r] into two subarrays A[p..q-1] and A[q+1..r] such that... | instruction | 0 | 35,964 | 12 | 71,928 |
Yes | output | 1 | 35,964 | 12 | 71,929 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Quick sort is based on the Divide-and-conquer approach. In QuickSort(A, p, r), first, a procedure Partition(A, p, r) divides an array A[p..r] into two subarrays A[p..q-1] and A[q+1..r] such that... | instruction | 0 | 35,965 | 12 | 71,930 |
Yes | output | 1 | 35,965 | 12 | 71,931 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Quick sort is based on the Divide-and-conquer approach. In QuickSort(A, p, r), first, a procedure Partition(A, p, r) divides an array A[p..r] into two subarrays A[p..q-1] and A[q+1..r] such that... | instruction | 0 | 35,966 | 12 | 71,932 |
No | output | 1 | 35,966 | 12 | 71,933 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Quick sort is based on the Divide-and-conquer approach. In QuickSort(A, p, r), first, a procedure Partition(A, p, r) divides an array A[p..r] into two subarrays A[p..q-1] and A[q+1..r] such that... | instruction | 0 | 35,967 | 12 | 71,934 |
No | output | 1 | 35,967 | 12 | 71,935 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Quick sort is based on the Divide-and-conquer approach. In QuickSort(A, p, r), first, a procedure Partition(A, p, r) divides an array A[p..r] into two subarrays A[p..q-1] and A[q+1..r] such that... | instruction | 0 | 35,968 | 12 | 71,936 |
No | output | 1 | 35,968 | 12 | 71,937 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Quick sort is based on the Divide-and-conquer approach. In QuickSort(A, p, r), first, a procedure Partition(A, p, r) divides an array A[p..r] into two subarrays A[p..q-1] and A[q+1..r] such that... | instruction | 0 | 35,969 | 12 | 71,938 |
No | output | 1 | 35,969 | 12 | 71,939 |
Provide tags and a correct Python 2 solution for this coding contest problem.
You are given n pairs of integers (a_1, b_1), (a_2, b_2), …, (a_n, b_n). All of the integers in the pairs are distinct and are in the range from 1 to 2 ⋅ n inclusive.
Let's call a sequence of integers x_1, x_2, …, x_{2k} good if either
... | instruction | 0 | 36,077 | 12 | 72,154 |
Tags: greedy, sortings
Correct Solution:
```
from sys import stdin, stdout
from collections import Counter, defaultdict
from itertools import permutations, combinations
raw_input = stdin.readline
pr = stdout.write
def in_num():
return int(raw_input())
def in_arr():
return map(int,raw_input().strip())
def ... | output | 1 | 36,077 | 12 | 72,155 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given n pairs of integers (a_1, b_1), (a_2, b_2), …, (a_n, b_n). All of the integers in the pairs are distinct and are in the range from 1 to 2 ⋅ n inclusive.
Let's call a sequence of integers x_1, x_2, …, x_{2k} good if either
... | instruction | 0 | 36,078 | 12 | 72,156 |
Tags: greedy, sortings
Correct Solution:
```
n=int(input())
l1,l2=[],[]
for i in range(n):
a,b=map(int,input().split())
if(a<b):
l1.append([[a,b],i+1])
else:
l2.append([[a,b],i+1])
l1.sort(reverse=True)
l2.sort()
if(len(l1)>len(l2)):
print(len(l1))
for i in l1:
print(i[1],end=' ')
else:
print(len(l2))
for... | output | 1 | 36,078 | 12 | 72,157 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given n pairs of integers (a_1, b_1), (a_2, b_2), …, (a_n, b_n). All of the integers in the pairs are distinct and are in the range from 1 to 2 ⋅ n inclusive.
Let's call a sequence of integers x_1, x_2, …, x_{2k} good if either
... | instruction | 0 | 36,079 | 12 | 72,158 |
Tags: greedy, sortings
Correct Solution:
```
n = int(input())
v = []
u = []
for i in range(n):
x = input().split(' ')
a = int(x[0])
b = int(x[1])
if a > b:
v.append((a,b,i + 1))
else:
u.append((a,b,i+1))
'''nr = 1
sol = [str(v[0][2])]
act = v[0][1]
i = 1
n = len(v)
while i < n:
while i < n and v[i][0] < act... | output | 1 | 36,079 | 12 | 72,159 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given n pairs of integers (a_1, b_1), (a_2, b_2), …, (a_n, b_n). All of the integers in the pairs are distinct and are in the range from 1 to 2 ⋅ n inclusive.
Let's call a sequence of integers x_1, x_2, …, x_{2k} good if either
... | instruction | 0 | 36,080 | 12 | 72,160 |
Tags: greedy, sortings
Correct Solution:
```
from sys import stdin
# stdin=open('input.txt')
def input():
return stdin.readline().strip()
# from sys import stdout
# stdout=open('input.txt',mode='w+')
# def print1(x, end='\n'):
# stdout.write(str(x) +end)
# a, b = map(int, input().split())
# l = list(map(int, i... | output | 1 | 36,080 | 12 | 72,161 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given n pairs of integers (a_1, b_1), (a_2, b_2), …, (a_n, b_n). All of the integers in the pairs are distinct and are in the range from 1 to 2 ⋅ n inclusive.
Let's call a sequence of integers x_1, x_2, …, x_{2k} good if either
... | instruction | 0 | 36,081 | 12 | 72,162 |
Tags: greedy, sortings
Correct Solution:
```
n = int(input())
a = list()
f = []
for i in range(n):
cur = [list(map(int, input().split())), i + 1]
if cur[0][0] < cur[0][1]:
f.append(cur)
else:
a.append(cur)
if len(f) >= n // 2:
f.sort(key=lambda x: x[0][0], reverse=True)
print(len(f))... | output | 1 | 36,081 | 12 | 72,163 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given n pairs of integers (a_1, b_1), (a_2, b_2), …, (a_n, b_n). All of the integers in the pairs are distinct and are in the range from 1 to 2 ⋅ n inclusive.
Let's call a sequence of integers x_1, x_2, …, x_{2k} good if either
... | instruction | 0 | 36,082 | 12 | 72,164 |
Tags: greedy, sortings
Correct Solution:
```
def solve():
N = int(input())
incr = []
decr = []
for i in range(1,N+1):
a, b = map(int, input().split())
if a > b:
decr.append((a,b,i))
else:
incr.append((a,b,i))
result1 = [... | output | 1 | 36,082 | 12 | 72,165 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given n pairs of integers (a_1, b_1), (a_2, b_2), …, (a_n, b_n). All of the integers in the pairs are distinct and are in the range from 1 to 2 ⋅ n inclusive.
Let's call a sequence of integers x_1, x_2, …, x_{2k} good if either
... | instruction | 0 | 36,083 | 12 | 72,166 |
Tags: greedy, sortings
Correct Solution:
```
from sys import stdin
n=int(stdin.readline().strip())
s=[list(map(int,stdin.readline().strip().split())) for i in range(n)]
s1=[]
s2=[]
for i in range(n):
if s[i][0]>s[i][1]:
s1.append(s[i][::-1]+[i])
if s[i][0]<s[i][1]:
s2.append(s[i][::-1]+[i])
s1.... | output | 1 | 36,083 | 12 | 72,167 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given n pairs of integers (a_1, b_1), (a_2, b_2), …, (a_n, b_n). All of the integers in the pairs are distinct and are in the range from 1 to 2 ⋅ n inclusive.
Let's call a sequence of integers x_1, x_2, …, x_{2k} good if either
... | instruction | 0 | 36,084 | 12 | 72,168 |
Tags: greedy, sortings
Correct Solution:
```
n=int(input())
group1=[]; group2=[]
for i in range(n):
a=[int(x) for x in input().split()]
if a[0]<a[1]:
group1.append((a,i+1))
else:
group2.append((a,i+1))
answer=[]
if len(group1)>len(group2):
group1.sort(reverse=True)
print(len(group1))... | output | 1 | 36,084 | 12 | 72,169 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given n pairs of integers (a_1, b_1), (a_2, b_2), …, (a_n, b_n). All of the integers in the pairs are distinct and are in the range from 1 to 2 ⋅ n inclusive.
Let's call a sequence of integers x_1, x_2, …, x_{2k} good if either
... | instruction | 0 | 36,085 | 12 | 72,170 |
Tags: greedy, sortings
Correct Solution:
```
n=int(input())
l=[]
negative=[]
positive=[]
for i in range(n):
a,b=input().split()
a,b=[int(a),int(b)]
l.append([a,b])
if (b-a)>0:
negative.append([a,b,i])
else:
positive.append([a,b,i])
if len(negative)>len(positive):
print(len(negati... | output | 1 | 36,085 | 12 | 72,171 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given n pairs of integers (a_1, b_1), (a_2, b_2), …, (a_n, b_n). All of the integers in the pairs are distinct and are in the range from 1 to 2 ⋅ n inclusive.
Let's call a sequence of i... | instruction | 0 | 36,086 | 12 | 72,172 |
Yes | output | 1 | 36,086 | 12 | 72,173 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given n pairs of integers (a_1, b_1), (a_2, b_2), …, (a_n, b_n). All of the integers in the pairs are distinct and are in the range from 1 to 2 ⋅ n inclusive.
Let's call a sequence of i... | instruction | 0 | 36,087 | 12 | 72,174 |
Yes | output | 1 | 36,087 | 12 | 72,175 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given n pairs of integers (a_1, b_1), (a_2, b_2), …, (a_n, b_n). All of the integers in the pairs are distinct and are in the range from 1 to 2 ⋅ n inclusive.
Let's call a sequence of i... | instruction | 0 | 36,088 | 12 | 72,176 |
Yes | output | 1 | 36,088 | 12 | 72,177 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given n pairs of integers (a_1, b_1), (a_2, b_2), …, (a_n, b_n). All of the integers in the pairs are distinct and are in the range from 1 to 2 ⋅ n inclusive.
Let's call a sequence of i... | instruction | 0 | 36,089 | 12 | 72,178 |
Yes | output | 1 | 36,089 | 12 | 72,179 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given n pairs of integers (a_1, b_1), (a_2, b_2), …, (a_n, b_n). All of the integers in the pairs are distinct and are in the range from 1 to 2 ⋅ n inclusive.
Let's call a sequence of i... | instruction | 0 | 36,090 | 12 | 72,180 |
No | output | 1 | 36,090 | 12 | 72,181 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given n pairs of integers (a_1, b_1), (a_2, b_2), …, (a_n, b_n). All of the integers in the pairs are distinct and are in the range from 1 to 2 ⋅ n inclusive.
Let's call a sequence of i... | instruction | 0 | 36,091 | 12 | 72,182 |
No | output | 1 | 36,091 | 12 | 72,183 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given n pairs of integers (a_1, b_1), (a_2, b_2), …, (a_n, b_n). All of the integers in the pairs are distinct and are in the range from 1 to 2 ⋅ n inclusive.
Let's call a sequence of i... | instruction | 0 | 36,092 | 12 | 72,184 |
No | output | 1 | 36,092 | 12 | 72,185 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given n pairs of integers (a_1, b_1), (a_2, b_2), …, (a_n, b_n). All of the integers in the pairs are distinct and are in the range from 1 to 2 ⋅ n inclusive.
Let's call a sequence of i... | instruction | 0 | 36,093 | 12 | 72,186 |
No | output | 1 | 36,093 | 12 | 72,187 |
Provide tags and a correct Python 3 solution for this coding contest problem.
The only difference between easy and hard versions is constraints.
You are given n segments on the coordinate axis OX. Segments can intersect, lie inside each other and even coincide. The i-th segment is [l_i; r_i] (l_i ≤ r_i) and it covers... | instruction | 0 | 36,159 | 12 | 72,318 |
Tags: data structures, greedy, sortings
Correct Solution:
```
from heapq import *
def main():
n, k = map(int, input().split())
E = []
opent = {}
for i in range(n):
l, r = map(int, input().split())
E.append([l, 1, i])
E.append([r, -1, i])
opent[i] = r
E.sort(key=lamb... | output | 1 | 36,159 | 12 | 72,319 |
Provide tags and a correct Python 3 solution for this coding contest problem.
The only difference between easy and hard versions is constraints.
You are given n segments on the coordinate axis OX. Segments can intersect, lie inside each other and even coincide. The i-th segment is [l_i; r_i] (l_i ≤ r_i) and it covers... | instruction | 0 | 36,164 | 12 | 72,328 |
Tags: data structures, greedy, sortings
Correct Solution:
```
import sys
from heapq import *
n, k = map(int, input().split())
N = int(2e5+2)
ll = [[] for _ in range(N)]
rr = [[] for _ in range(N)]
vis = [0] * N
for i in range(n):
l, r = map(int, sys.stdin.readline().split())
ll[l].append((-r, i+1))
rr[r].a... | output | 1 | 36,164 | 12 | 72,329 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given an array a of length n consisting of zeros. You perform n actions with this array: during the i-th action, the following sequence of operations appears:
1. Choose the maximum by length subarray (continuous subsegment) consis... | instruction | 0 | 36,227 | 12 | 72,454 |
Tags: constructive algorithms, data structures, sortings
Correct Solution:
```
def ri(): return int(input())
def ria(): return list(map(int, input().split()))
def ia_to_s(a): return ' '.join([str(s) for s in a])
import heapq
class Range(object):
def __init__(self, left, right):
self.left = left
... | output | 1 | 36,227 | 12 | 72,455 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given an array a of length n consisting of zeros. You perform n actions with this array: during the i-th action, the following sequence of operations appears:
1. Choose the maximum by length subarray (continuous subsegment) consis... | instruction | 0 | 36,228 | 12 | 72,456 |
Tags: constructive algorithms, data structures, sortings
Correct Solution:
```
import sys
input = sys.stdin.readline
from collections import *
from heapq import *
t = int(input())
for _ in range(t):
n = int(input())
a = [-1]*n
pq = [(n, 0, n-1)]
now = 1
while now<=n:
#print(pq)
... | output | 1 | 36,228 | 12 | 72,457 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given an array a of length n consisting of zeros. You perform n actions with this array: during the i-th action, the following sequence of operations appears:
1. Choose the maximum by length subarray (continuous subsegment) consis... | instruction | 0 | 36,229 | 12 | 72,458 |
Tags: constructive algorithms, data structures, sortings
Correct Solution:
```
import sys
def answer(n):
ans = [0 for _ in range(n)]
stack = [(0, n-1)]
t_ans = [(0, 0) for _ in range(n)] #contain tuples of (-width, pos) for sorting
while len(stack) > 0:
tup = stack.pop()
l = tup[0]
... | output | 1 | 36,229 | 12 | 72,459 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given an array a of length n consisting of zeros. You perform n actions with this array: during the i-th action, the following sequence of operations appears:
1. Choose the maximum by length subarray (continuous subsegment) consis... | instruction | 0 | 36,230 | 12 | 72,460 |
Tags: constructive algorithms, data structures, sortings
Correct Solution:
```
import math,string,itertools,fractions,heapq,collections,re,array,bisect,sys,copy,functools
# import time,random,resource
sys.setrecursionlimit(10**7)
inf = 10**20
eps = 1.0 / 10**10
mod = 10**9+7
mod2 = 998244353
dd = [(-1,0),(0,1),(1,0),(... | output | 1 | 36,230 | 12 | 72,461 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given an array a of length n consisting of zeros. You perform n actions with this array: during the i-th action, the following sequence of operations appears:
1. Choose the maximum by length subarray (continuous subsegment) consis... | instruction | 0 | 36,231 | 12 | 72,462 |
Tags: constructive algorithms, data structures, sortings
Correct Solution:
```
from heapq import*
def push(l, start):
if l > 0:
heappush(hp, (-l, start))
for t in range(int(input())):
n = int(input())
a = [0] * n
k = 1
hp = [(-n,0)]
while hp:
l, i = heappop(hp)
... | output | 1 | 36,231 | 12 | 72,463 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given an array a of length n consisting of zeros. You perform n actions with this array: during the i-th action, the following sequence of operations appears:
1. Choose the maximum by length subarray (continuous subsegment) consis... | instruction | 0 | 36,232 | 12 | 72,464 |
Tags: constructive algorithms, data structures, sortings
Correct Solution:
```
import heapq
def solve():
n = int(input())
cur = 1
a = [0] * n
q = []
heapq.heappush(q, (-n, 0, n))
while q:
_, l, r = heapq.heappop(q)
mid = (l + r - 1) // 2
a[mid] = cur
cur += 1
... | output | 1 | 36,232 | 12 | 72,465 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given an array a of length n consisting of zeros. You perform n actions with this array: during the i-th action, the following sequence of operations appears:
1. Choose the maximum by length subarray (continuous subsegment) consis... | instruction | 0 | 36,233 | 12 | 72,466 |
Tags: constructive algorithms, data structures, sortings
Correct Solution:
```
t = int(input())
for _ in range(t):
n = int(input())
res = [0]*(n+1)
dp = [[] for _ in range(n+1)]
# print(dp)
dp[n] = [1]
count = 1
for i in range(n,0,-1):
if len(dp[i]) > 0:
s_dp = sorted(dp[... | output | 1 | 36,233 | 12 | 72,467 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given an array a of length n consisting of zeros. You perform n actions with this array: during the i-th action, the following sequence of operations appears:
1. Choose the maximum by length subarray (continuous subsegment) consis... | instruction | 0 | 36,234 | 12 | 72,468 |
Tags: constructive algorithms, data structures, sortings
Correct Solution:
```
import heapq
class Segment:
def __init__(self, li, ri) -> None:
self.size = ri - li + 1
self.li = li
self.ri = ri
def __str__(self) -> str:
return '(' + str(self.size) + ', ' + str(self.li) + ')'
... | output | 1 | 36,234 | 12 | 72,469 |
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 of length n consisting of zeros. You perform n actions with this array: during the i-th action, the following sequence of operations appears:
1. Choose the maximum by... | instruction | 0 | 36,235 | 12 | 72,470 |
Yes | output | 1 | 36,235 | 12 | 72,471 |
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 of length n consisting of zeros. You perform n actions with this array: during the i-th action, the following sequence of operations appears:
1. Choose the maximum by... | instruction | 0 | 36,236 | 12 | 72,472 |
Yes | output | 1 | 36,236 | 12 | 72,473 |
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 of length n consisting of zeros. You perform n actions with this array: during the i-th action, the following sequence of operations appears:
1. Choose the maximum by... | instruction | 0 | 36,237 | 12 | 72,474 |
Yes | output | 1 | 36,237 | 12 | 72,475 |
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 of length n consisting of zeros. You perform n actions with this array: during the i-th action, the following sequence of operations appears:
1. Choose the maximum by... | instruction | 0 | 36,238 | 12 | 72,476 |
Yes | output | 1 | 36,238 | 12 | 72,477 |
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 of length n consisting of zeros. You perform n actions with this array: during the i-th action, the following sequence of operations appears:
1. Choose the maximum by... | instruction | 0 | 36,239 | 12 | 72,478 |
No | output | 1 | 36,239 | 12 | 72,479 |
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 of length n consisting of zeros. You perform n actions with this array: during the i-th action, the following sequence of operations appears:
1. Choose the maximum by... | instruction | 0 | 36,240 | 12 | 72,480 |
No | output | 1 | 36,240 | 12 | 72,481 |
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