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.
Let's denote a function
<image>
You are given an array a consisting of n integers. You have to calculate the sum of d(ai, aj) over all pairs (i, j) such that 1 ≤ i ≤ j ≤ n.
Input
The first line contains one integer n (1 ≤ n ≤ 200000) — ... | instruction | 0 | 60,352 | 12 | 120,704 |
Tags: data structures, math
Correct Solution:
```
from bisect import bisect
def main():
n = int(input())
an = [(i, int(s)) for i, s in enumerate(input().split())][:n]
ans = sum(a * (-n + 1 + 2 * i) for i, a in an)
group = {}
for i, a in an:
if a not in group:
group[a] = []
... | output | 1 | 60,352 | 12 | 120,705 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Let's denote a function
<image>
You are given an array a consisting of n integers. You have to calculate the sum of d(ai, aj) over all pairs (i, j) such that 1 ≤ i ≤ j ≤ n.
Input
The first line contains one integer n (1 ≤ n ≤ 200000) — ... | instruction | 0 | 60,353 | 12 | 120,706 |
Tags: data structures, math
Correct Solution:
```
def ii():
return int(input())
def mi():
return map(int, input().split())
def li():
return list(mi())
from collections import defaultdict
n = ii()
a = li()
def solve(a):
d = defaultdict(int)
s = 0
for i in range(n):
x = a[i]
s +=... | output | 1 | 60,353 | 12 | 120,707 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Let's denote a function
<image>
You are given an array a consisting of n integers. You have to calculate the sum of d(ai, aj) over all pairs (i, j) such that 1 ≤ i ≤ j ≤ n.
Input
The first line contains one integer n (1 ≤ n ≤ 200000) — ... | instruction | 0 | 60,354 | 12 | 120,708 |
Tags: data structures, math
Correct Solution:
```
# -*- coding: utf-8 -*-
"""
Created on Tue Dec 12 20:33:55 2017
@author: savit
"""
dic={}
n=int(input())
sum1=0
a=list(map(int,input().split()))
for i in range(n-1,-1,-1):
try:
dic[a[i]]+=1
except:
dic[a[i]]=1
sum1+=a[i]*(-n+1+2*i)
... | output | 1 | 60,354 | 12 | 120,709 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Let's denote a function
<image>
You are given an array a consisting of n integers. You have to calculate the sum of d(ai, aj) over all pairs (i, j) such that 1 ≤ i ≤ j ≤ n.
Input
The first line contains one integer n (1 ≤ n ≤ 200000) — ... | instruction | 0 | 60,355 | 12 | 120,710 |
Tags: data structures, math
Correct Solution:
```
m = {}
A = [0] * 200001
B = []
sum1 = 0
ans = 0
n = int(input())
B = (input().split(' '))
for i in range(n):
A[i] = int(B[i])
sum1 += A[i]
if A[i] in m:
m[A[i]] += 1
else:
m[A[i]] = 1
np = n
for i in range(n):
if A[i] in m:
a1 = m[A[i]]
else:
a1 = 0
if A... | output | 1 | 60,355 | 12 | 120,711 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given an array a consisting of n integers. You can perform the following operations with it:
1. Choose some positions i and j (1 ≤ i, j ≤ n, i ≠ j), write the value of a_i ⋅ a_j into the j-th cell and remove the number from the i... | instruction | 0 | 60,640 | 12 | 121,280 |
Tags: constructive algorithms, greedy, math
Correct Solution:
```
n=int(input())
l=list(map(int,input().split()))
neg=[]
zer=[]
ans=[]
s=set()
st=1
ma=-9999999999999999999999999999999
count=0
d=dict()
for i in range(n):
if l[i]<0:
neg.append(i+1)
ma=max(l[i],ma)
if l[i] in d:
d[l... | output | 1 | 60,640 | 12 | 121,281 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given an array a consisting of n integers. You can perform the following operations with it:
1. Choose some positions i and j (1 ≤ i, j ≤ n, i ≠ j), write the value of a_i ⋅ a_j into the j-th cell and remove the number from the i... | instruction | 0 | 60,641 | 12 | 121,282 |
Tags: constructive algorithms, greedy, math
Correct Solution:
```
n = int(input())
t = n
num = list(map(int, input().split()))
visited = [True] * n
negative = 0
mn = -10 ** 10
pos = -1
zero = 0
pos_zero = []
for i in range(n):
q = num[i]
if q == 0:
zero += 1
pos_zero.append(i)
elif q < 0:
... | output | 1 | 60,641 | 12 | 121,283 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given an array a consisting of n integers. You can perform the following operations with it:
1. Choose some positions i and j (1 ≤ i, j ≤ n, i ≠ j), write the value of a_i ⋅ a_j into the j-th cell and remove the number from the i... | instruction | 0 | 60,642 | 12 | 121,284 |
Tags: constructive algorithms, greedy, math
Correct Solution:
```
n = int(input())
a = list(map(int,input().split()))
hu = 0
humax = -float("inf")
huind = None
able = set(range(n))
ans = []
mae = -1
for i in range(n):
if a[i] == 0:
if mae == -1:
mae = i
able.discard(i)
else:
ans.ap... | output | 1 | 60,642 | 12 | 121,285 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given an array a consisting of n integers. You can perform the following operations with it:
1. Choose some positions i and j (1 ≤ i, j ≤ n, i ≠ j), write the value of a_i ⋅ a_j into the j-th cell and remove the number from the i... | instruction | 0 | 60,643 | 12 | 121,286 |
Tags: constructive algorithms, greedy, math
Correct Solution:
```
n = int(input())
v = list(map(int, input().split()))
out, best, sub, zero = [0]*n, -1<<30, [], []
for i in range(n):
if v[i] < 0:
sub.append(i)
if best < v[i]:
best = v[i]
isb = i
elif v[i] == 0:
ze... | output | 1 | 60,643 | 12 | 121,287 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given an array a consisting of n integers. You can perform the following operations with it:
1. Choose some positions i and j (1 ≤ i, j ≤ n, i ≠ j), write the value of a_i ⋅ a_j into the j-th cell and remove the number from the i... | instruction | 0 | 60,644 | 12 | 121,288 |
Tags: constructive algorithms, greedy, math
Correct Solution:
```
import atexit
import io
import sys
_INPUT_LINES = sys.stdin.read().splitlines()
input = iter(_INPUT_LINES).__next__
_OUTPUT_BUFFER = io.StringIO()
sys.stdout = _OUTPUT_BUFFER
@atexit.register
def write():
sys.__stdout__.write(_OUTPUT_BUFFER.getval... | output | 1 | 60,644 | 12 | 121,289 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given an array a consisting of n integers. You can perform the following operations with it:
1. Choose some positions i and j (1 ≤ i, j ≤ n, i ≠ j), write the value of a_i ⋅ a_j into the j-th cell and remove the number from the i... | instruction | 0 | 60,645 | 12 | 121,290 |
Tags: constructive algorithms, greedy, math
Correct Solution:
```
# -*- coding:utf-8 -*-
"""
created by shuangquan.huang at 11/21/18
"""
N = int(input())
A = [int(x) for x in input().split()]
B = [abs(x) for x in A]
zeros = [i for i in range(N) if A[i] == 0]
positives = [i for i in range(N) if A[i] > 0]
negs = [... | output | 1 | 60,645 | 12 | 121,291 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given an array a consisting of n integers. You can perform the following operations with it:
1. Choose some positions i and j (1 ≤ i, j ≤ n, i ≠ j), write the value of a_i ⋅ a_j into the j-th cell and remove the number from the i... | instruction | 0 | 60,646 | 12 | 121,292 |
Tags: constructive algorithms, greedy, math
Correct Solution:
```
n = int(input())
l = list(map(int, input().split()))
neg = list()
zero = list()
mneg = None
for i in range(n):
if l[i] == 0: zero.append(i)
elif l[i] < 0:
neg.append(i)
if mneg is None or l[i] > l[mneg]: mneg = i
if len(neg)%2 =... | output | 1 | 60,646 | 12 | 121,293 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given an array a consisting of n integers. You can perform the following operations with it:
1. Choose some positions i and j (1 ≤ i, j ≤ n, i ≠ j), write the value of a_i ⋅ a_j into the j-th cell and remove the number from the i... | instruction | 0 | 60,647 | 12 | 121,294 |
Tags: constructive algorithms, greedy, math
Correct Solution:
```
n=int(input())
b=list(map(int,input().split()))
k=0
c=[]
r=1000000000000
for j in range(n):
if b[j]==0:
c.append(j+1)
elif b[j]<0:
k+=1
if abs(b[j])<r:
r=abs(b[j])
q=j+1
if b[j]!=0:
p=j
... | output | 1 | 60,647 | 12 | 121,295 |
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. You can perform the following operations with it:
1. Choose some positions i and j (1 ≤ i, j ≤ n, i ≠ j), write the value of a_i ⋅ a_j into... | instruction | 0 | 60,648 | 12 | 121,296 |
Yes | output | 1 | 60,648 | 12 | 121,297 |
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. You can perform the following operations with it:
1. Choose some positions i and j (1 ≤ i, j ≤ n, i ≠ j), write the value of a_i ⋅ a_j into... | instruction | 0 | 60,649 | 12 | 121,298 |
Yes | output | 1 | 60,649 | 12 | 121,299 |
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. You can perform the following operations with it:
1. Choose some positions i and j (1 ≤ i, j ≤ n, i ≠ j), write the value of a_i ⋅ a_j into... | instruction | 0 | 60,650 | 12 | 121,300 |
Yes | output | 1 | 60,650 | 12 | 121,301 |
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. You can perform the following operations with it:
1. Choose some positions i and j (1 ≤ i, j ≤ n, i ≠ j), write the value of a_i ⋅ a_j into... | instruction | 0 | 60,651 | 12 | 121,302 |
Yes | output | 1 | 60,651 | 12 | 121,303 |
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. You can perform the following operations with it:
1. Choose some positions i and j (1 ≤ i, j ≤ n, i ≠ j), write the value of a_i ⋅ a_j into... | instruction | 0 | 60,652 | 12 | 121,304 |
No | output | 1 | 60,652 | 12 | 121,305 |
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. You can perform the following operations with it:
1. Choose some positions i and j (1 ≤ i, j ≤ n, i ≠ j), write the value of a_i ⋅ a_j into... | instruction | 0 | 60,653 | 12 | 121,306 |
No | output | 1 | 60,653 | 12 | 121,307 |
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. You can perform the following operations with it:
1. Choose some positions i and j (1 ≤ i, j ≤ n, i ≠ j), write the value of a_i ⋅ a_j into... | instruction | 0 | 60,654 | 12 | 121,308 |
No | output | 1 | 60,654 | 12 | 121,309 |
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. You can perform the following operations with it:
1. Choose some positions i and j (1 ≤ i, j ≤ n, i ≠ j), write the value of a_i ⋅ a_j into... | instruction | 0 | 60,655 | 12 | 121,310 |
No | output | 1 | 60,655 | 12 | 121,311 |
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.
In one operation you can choose two elements of the array and replace them with the element equal to their sum (it does not matter where you insert the new element). For... | instruction | 0 | 60,710 | 12 | 121,420 |
Tags: math
Correct Solution:
```
for _____ in range(int(input())):
n = int(input())
arr = list(map(int,input().split()))
d = {0:0,1:0,2:0}
for it in arr:
d[it%3] +=1
a,b,c = d[0],d[1],d[2]
if b < c:
ctx = a + b + (c-b)//3
elif c < b:
ctx = a + c + (b-c)//3
else:
... | output | 1 | 60,710 | 12 | 121,421 |
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.
In one operation you can choose two elements of the array and replace them with the element equal to their sum (it does not matter where you insert the new element). For... | instruction | 0 | 60,712 | 12 | 121,424 |
Tags: math
Correct Solution:
```
cases = int(input())
while cases:
cases -= 1
num = int(input())
arr = list(map(int, input().split()))
ans = 0
ones = 0
twos = 0
for n in arr:
md = n % 3
if md == 0:
ans += 1
elif md == 1:
ones += 1
els... | output | 1 | 60,712 | 12 | 121,425 |
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.
In one operation you can choose two elements of the array and replace them with the element equal to their sum (it does no... | instruction | 0 | 60,714 | 12 | 121,428 |
Yes | output | 1 | 60,714 | 12 | 121,429 |
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.
In one operation you can choose two elements of the array and replace them with the element equal to their sum (it does no... | instruction | 0 | 60,716 | 12 | 121,432 |
Yes | output | 1 | 60,716 | 12 | 121,433 |
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.
In one operation you can choose two elements of the array and replace them with the element equal to their sum (it does no... | instruction | 0 | 60,718 | 12 | 121,436 |
No | output | 1 | 60,718 | 12 | 121,437 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Consider the infinite sequence s of positive integers, created by repeating the following steps:
1. Find the lexicographically smallest triple of positive integers (a, b, c) such that
* a ⊕ b ⊕ c = 0, where ⊕ denotes the [bitwise XOR... | instruction | 0 | 60,801 | 12 | 121,602 |
Tags: bitmasks, brute force, constructive algorithms, divide and conquer, math
Correct Solution:
```
from math import *
from sys import stdin, stdout
MAXR=64
class ba:
u=0
v=0
def getBool( z):
ans=ba()
if(z==0):
ans.u='0'
ans.v='0'
elif(z==1):
ans.u='0'
ans.v='1'
... | output | 1 | 60,801 | 12 | 121,603 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Consider the infinite sequence s of positive integers, created by repeating the following steps:
1. Find the lexicographically smallest triple of positive integers (a, b, c) such that
* a ⊕ b ⊕ c = 0, where ⊕ denotes the [bitwise XOR... | instruction | 0 | 60,802 | 12 | 121,604 |
Tags: bitmasks, brute force, constructive algorithms, divide and conquer, math
Correct Solution:
```
tail = [["00","00","00"],
["01","10","11"],
["10","11","01"],
["11","01","10"]]
top = ["01", "10", "11"]
S=[]
E=[]
cur=1
for i in range(32):
S.append(cur)
E.append(4*cur-1)
cur *= ... | output | 1 | 60,802 | 12 | 121,605 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Consider the infinite sequence s of positive integers, created by repeating the following steps:
1. Find the lexicographically smallest triple of positive integers (a, b, c) such that
* a ⊕ b ⊕ c = 0, where ⊕ denotes the [bitwise XOR... | instruction | 0 | 60,803 | 12 | 121,606 |
Tags: bitmasks, brute force, constructive algorithms, divide and conquer, math
Correct Solution:
```
def level(m):
l = 0
while m - (1 << (l*2)) >= 0:
m -= (1 << (l*2))
l += 1
return l, m
def to_bin(l, r):
ls = []
for __ in range(l):
ls.append(r % 4)
r //= 4
retu... | output | 1 | 60,803 | 12 | 121,607 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Consider the infinite sequence s of positive integers, created by repeating the following steps:
1. Find the lexicographically smallest triple of positive integers (a, b, c) such that
* a ⊕ b ⊕ c = 0, where ⊕ denotes the [bitwise XOR... | instruction | 0 | 60,804 | 12 | 121,608 |
Tags: bitmasks, brute force, constructive algorithms, divide and conquer, math
Correct Solution:
```
from collections import defaultdict
from queue import deque
from sys import stdin, stdout
from math import log2
def arrinp():
return [*map(int, stdin.readline().split(' '))]
def mulinp():
return map(int, std... | output | 1 | 60,804 | 12 | 121,609 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Consider the infinite sequence s of positive integers, created by repeating the following steps:
1. Find the lexicographically smallest triple of positive integers (a, b, c) such that
* a ⊕ b ⊕ c = 0, where ⊕ denotes the [bitwise XOR... | instruction | 0 | 60,805 | 12 | 121,610 |
Tags: bitmasks, brute force, constructive algorithms, divide and conquer, math
Correct Solution:
```
# ------------------- fast io --------------------
import os
import sys
from io import BytesIO, IOBase
BUFSIZE = 8192
class FastIO(IOBase):
newlines = 0
def __init__(self, file):
self._fd = file.file... | output | 1 | 60,805 | 12 | 121,611 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Consider the infinite sequence s of positive integers, created by repeating the following steps:
1. Find the lexicographically smallest triple of positive integers (a, b, c) such that
* a ⊕ b ⊕ c = 0, where ⊕ denotes the [bitwise XOR... | instruction | 0 | 60,806 | 12 | 121,612 |
Tags: bitmasks, brute force, constructive algorithms, divide and conquer, math
Correct Solution:
```
import sys
nums = [0,2,3,1]
def justSecond(fi):
if fi < 128:
j = partial.index(fi)
return partial[j+1]
prev = justSecond(fi//4)
return prev * 4 + nums[fi%4]
lines = sys.stdin.readlines()
f... | output | 1 | 60,806 | 12 | 121,613 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Consider the infinite sequence s of positive integers, created by repeating the following steps:
1. Find the lexicographically smallest triple of positive integers (a, b, c) such that
* a ⊕ b ⊕ c = 0, where ⊕ denotes the [bitwise XOR... | instruction | 0 | 60,807 | 12 | 121,614 |
Tags: bitmasks, brute force, constructive algorithms, divide and conquer, math
Correct Solution:
```
# Closed = [False] * (10000)
# Closed[0] = True
# for i in range(100):
# a = Closed.index(False)
# Closed[a] = True
# for b in range(a+1, 10000):
# if Closed[b]:
# continue
# c = ... | output | 1 | 60,807 | 12 | 121,615 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Consider the infinite sequence s of positive integers, created by repeating the following steps:
1. Find the lexicographically smallest triple of positive integers (a, b, c) such that
* a ⊕ b ⊕ c = 0, where ⊕ denotes the [bitwise XOR... | instruction | 0 | 60,808 | 12 | 121,616 |
Tags: bitmasks, brute force, constructive algorithms, divide and conquer, math
Correct Solution:
```
mod = 1000000007
eps = 10**-9
def main():
import sys
input = sys.stdin.buffer.readline
for _ in range(int(input())):
N = int(input())
if N <= 3:
print(N)
continue
... | output | 1 | 60,808 | 12 | 121,617 |
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 | 60,833 | 12 | 121,666 |
Tags: dp
Correct Solution:
```
"""
pppppppppppppppppppp
ppppp ppppppppppppppppppp
ppppppp ppppppppppppppppppppp
pppppppp pppppppppppppppppppppp
pppppppppppppppppppppppppppppppp
... | output | 1 | 60,833 | 12 | 121,667 |
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 | 60,834 | 12 | 121,668 |
Tags: dp
Correct Solution:
```
for _ in range(int(input())):
n=int(input())
a=list(map(int,input().split()))
b=[a[0]]
c=[1]
for i in range(1,2*n):
if a[i]>b[-1]:
b.append(a[i])
c.append(1)
else:
c[-1]+=1
m=len(c)
dp=[[0 for _ in range(n+1)]... | output | 1 | 60,834 | 12 | 121,669 |
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 | 60,835 | 12 | 121,670 |
Tags: dp
Correct Solution:
```
t = int(input())
for tt in range(0, t):
n = int(input())
p = map(int, input().split())
blocks = []
mx = -1
block = 0
for x in p:
if x > mx:
if block > 0:
blocks.append(block)
block = 0
mx = x
bloc... | output | 1 | 60,835 | 12 | 121,671 |
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 | 60,836 | 12 | 121,672 |
Tags: dp
Correct Solution:
```
t = int(input())
for _ in range(t):
n, p = int(input()), list(map(int, input().split()))
v, w = [], []
i, k = 0, 0
while i < 2*n:
j = i + 1
while j < 2 * n and p[j] < p[i]:
j += 1
v.append(j - i)
w.append(j - i)
k += 1
... | output | 1 | 60,836 | 12 | 121,673 |
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 | 60,837 | 12 | 121,674 |
Tags: dp
Correct Solution:
```
######################################################
############Created by Devesh Kumar###################
#############devesh1102@gmail.com####################
##########For CodeForces(Devesh1102)#################
#####################2020#############################
################... | output | 1 | 60,837 | 12 | 121,675 |
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 | 60,838 | 12 | 121,676 |
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 | 60,838 | 12 | 121,677 |
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 | 60,839 | 12 | 121,678 |
Tags: dp
Correct Solution:
```
import sys
input = lambda: sys.stdin.readline().rstrip('\n\r')
for _ in range(int(input())):
n = int(input())
P = list(map(int, input().split()))
pos = {v: i for i, v in enumerate(P)}
prev = 2*n
maxx = list(P)
for i in range(1, 2*n):
maxx[i] = max(maxx[i-1], P[i])
lens = []
f... | output | 1 | 60,839 | 12 | 121,679 |
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 | 60,840 | 12 | 121,680 |
Tags: dp
Correct Solution:
```
def dp(arr,n):
sub = [[False for i in range(n+1)] for i in range(len(arr)+1)]
for i in range(len(arr)+1):
sub[i][0] = True
for i in range(1,len(arr)+1):
for j in range(1,n+1):
if (j<arr[i-1]):
sub[i][j] = sub[i-1][j]
else:
sub[i][j] = (sub[i-1][j] or sub[i-1][j-arr[i-... | output | 1 | 60,840 | 12 | 121,681 |
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 | 60,841 | 12 | 121,682 |
Yes | output | 1 | 60,841 | 12 | 121,683 |
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 | 60,842 | 12 | 121,684 |
Yes | output | 1 | 60,842 | 12 | 121,685 |
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 | 60,843 | 12 | 121,686 |
Yes | output | 1 | 60,843 | 12 | 121,687 |
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 | 60,844 | 12 | 121,688 |
Yes | output | 1 | 60,844 | 12 | 121,689 |
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 | 60,845 | 12 | 121,690 |
No | output | 1 | 60,845 | 12 | 121,691 |
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 | 60,846 | 12 | 121,692 |
No | output | 1 | 60,846 | 12 | 121,693 |
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 | 60,847 | 12 | 121,694 |
No | output | 1 | 60,847 | 12 | 121,695 |
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 | 60,848 | 12 | 121,696 |
No | output | 1 | 60,848 | 12 | 121,697 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given an array a_1, a_2, ..., a_n where all a_i are integers and greater than 0.
In one operation, you can choose two different indices i and j (1 ≤ i, j ≤ n). If gcd(a_i, a_j) is equal to the minimum element of the whole array a, y... | instruction | 0 | 60,849 | 12 | 121,698 |
Tags: constructive algorithms, math, number theory, sortings
Correct Solution:
```
for _ in range(int(input())):
a=int(input());b=list(map(int,input().split()));c=sorted(b);z="YES";k=c[0]
for i in range(a):
if b[i]!=c[i]:
if b[i]%k!=0 or c[i]%k!=0:z="NO";break
print(z)
``` | output | 1 | 60,849 | 12 | 121,699 |
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