message stringlengths 2 65.1k | message_type stringclasses 2
values | message_id int64 0 1 | conversation_id int64 0 108k | cluster float64 14 14 | __index_level_0__ int64 0 217k |
|---|---|---|---|---|---|
Provide tags and a correct Python 3 solution for this coding contest problem.
Andryusha is an orderly boy and likes to keep things in their place.
Today he faced a problem to put his socks in the wardrobe. He has n distinct pairs of socks which are initially in a bag. The pairs are numbered from 1 to n. Andryusha wan... | instruction | 0 | 19,923 | 14 | 39,846 |
Tags: implementation
Correct Solution:
```
nb_pair = int(input())
drawn = [int(x) for x in input().split()]
maxs = 1
table = set()
for i in drawn:
table ^= {i}
maxs = max(maxs, len(table))
print(maxs)
``` | output | 1 | 19,923 | 14 | 39,847 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Andryusha is an orderly boy and likes to keep things in their place.
Today he faced a problem to put his socks in the wardrobe. He has n distinct pairs of socks which are initially in a bag. The pairs are numbered from 1 to n. Andryusha wan... | instruction | 0 | 19,924 | 14 | 39,848 |
Tags: implementation
Correct Solution:
```
N=input()
L=input().split()
S=set()
m=0
for i in L:
S^={i}
if len(S)>m:
m=len(S)
print(m)
``` | output | 1 | 19,924 | 14 | 39,849 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Andryusha is an orderly boy and likes to keep things in their place.
Today he faced a problem to put his socks in the wardrobe. He has n distinct pairs of socks which are initially in a bag. The pairs are numbered from 1 to n. Andryusha wan... | instruction | 0 | 19,925 | 14 | 39,850 |
Tags: implementation
Correct Solution:
```
n = int(input())
a = [int(x) for x in input().split()]
maxn = maxans = 0
used = [True] * n
for i in range(n * 2):
if used[a[i] - 1]:
used[a[i] - 1] = False
maxn += 1
elif not used[a[i] - 1]:
maxn -= 1
if maxn > maxans:
maxans = maxn... | output | 1 | 19,925 | 14 | 39,851 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Andryusha is an orderly boy and likes to keep things in their place.
Today he faced a problem to put his socks in the wardrobe. He has n distinct pairs of socks which are initially in a bag. The pairs are numbered from 1 to n. Andryusha wan... | instruction | 0 | 19,926 | 14 | 39,852 |
Tags: implementation
Correct Solution:
```
n = int(input())
a = [False] * n
x = list(map(int, input().split()))
cnt = 0
ans = 0
for y in x:
y -= 1
if a[y]:
cnt -= 1
else:
cnt += 1
a[y] = True
ans = max(ans, cnt)
print(ans)
``` | output | 1 | 19,926 | 14 | 39,853 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Andryusha is an orderly boy and likes to keep things in their place.
Today he faced a problem to put his socks in the wardrobe. He has n distinct pairs of socks which are initially in a bag. The pairs are numbered from 1 to n. Andryusha wan... | instruction | 0 | 19,927 | 14 | 39,854 |
Tags: implementation
Correct Solution:
```
# https://codeforces.com/problemset/problem/780/A
n = input()
s = set()
ans = 0
for i in input().split():
if i not in s:
s.add(i)
ans = max(ans, len(s))
else:
s.discard(i)
print(ans)
``` | output | 1 | 19,927 | 14 | 39,855 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Andryusha is an orderly boy and likes to keep things in their place.
Today he faced a problem to put his socks in the wardrobe. He has n distinct pairs of socks which are initially in a bag. The pairs are numbered from 1 to n. Andryusha wan... | instruction | 0 | 19,928 | 14 | 39,856 |
Tags: implementation
Correct Solution:
```
input()
sp=input().split()
count=1
sont=set()
for x in sp:
sont^={x}
l = len(sont)
if l>count: count=l
print(count)
``` | output | 1 | 19,928 | 14 | 39,857 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Andryusha is an orderly boy and likes to keep things in their place.
Today he faced a problem to put his socks in the wardrobe. He has n distinct pairs of socks which are initially in a bag. The pairs are numbered from 1 to n. Andryusha wan... | instruction | 0 | 19,929 | 14 | 39,858 |
Tags: implementation
Correct Solution:
```
# import sys
# sys.stdin=open('input.in','r')
# sys.stdout=open('output.out','w')
n=int(input())
m=list(map(int,input().strip().split()[:2*n]))
t=set()
k=[]
count=0
for x in m:
if x not in t:
t.add(x)
count=max(count,len(t))
else:
t.remove(x)
print(count)
``` | output | 1 | 19,929 | 14 | 39,859 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Andryusha is an orderly boy and likes to keep things in their place.
Today he faced a problem to put his socks in the wardrobe. He has n distinct pairs of socks which are initially in a bag. Th... | instruction | 0 | 19,930 | 14 | 39,860 |
Yes | output | 1 | 19,930 | 14 | 39,861 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Andryusha is an orderly boy and likes to keep things in their place.
Today he faced a problem to put his socks in the wardrobe. He has n distinct pairs of socks which are initially in a bag. Th... | instruction | 0 | 19,931 | 14 | 39,862 |
Yes | output | 1 | 19,931 | 14 | 39,863 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Andryusha is an orderly boy and likes to keep things in their place.
Today he faced a problem to put his socks in the wardrobe. He has n distinct pairs of socks which are initially in a bag. Th... | instruction | 0 | 19,932 | 14 | 39,864 |
Yes | output | 1 | 19,932 | 14 | 39,865 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Andryusha is an orderly boy and likes to keep things in their place.
Today he faced a problem to put his socks in the wardrobe. He has n distinct pairs of socks which are initially in a bag. Th... | instruction | 0 | 19,933 | 14 | 39,866 |
Yes | output | 1 | 19,933 | 14 | 39,867 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Andryusha is an orderly boy and likes to keep things in their place.
Today he faced a problem to put his socks in the wardrobe. He has n distinct pairs of socks which are initially in a bag. Th... | instruction | 0 | 19,934 | 14 | 39,868 |
No | output | 1 | 19,934 | 14 | 39,869 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Andryusha is an orderly boy and likes to keep things in their place.
Today he faced a problem to put his socks in the wardrobe. He has n distinct pairs of socks which are initially in a bag. Th... | instruction | 0 | 19,935 | 14 | 39,870 |
No | output | 1 | 19,935 | 14 | 39,871 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Andryusha is an orderly boy and likes to keep things in their place.
Today he faced a problem to put his socks in the wardrobe. He has n distinct pairs of socks which are initially in a bag. Th... | instruction | 0 | 19,936 | 14 | 39,872 |
No | output | 1 | 19,936 | 14 | 39,873 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Andryusha is an orderly boy and likes to keep things in their place.
Today he faced a problem to put his socks in the wardrobe. He has n distinct pairs of socks which are initially in a bag. Th... | instruction | 0 | 19,937 | 14 | 39,874 |
No | output | 1 | 19,937 | 14 | 39,875 |
Provide tags and a correct Python 3 solution for this coding contest problem.
There are n animals in the queue to Dr. Dolittle. When an animal comes into the office, the doctor examines him, gives prescriptions, appoints tests and may appoint extra examination. Doc knows all the forest animals perfectly well and there... | instruction | 0 | 19,957 | 14 | 39,914 |
Tags: binary search, math, sortings
Correct Solution:
```
import sys
from array import array # noqa: F401
from collections import deque
def input():
return sys.stdin.buffer.readline().decode('utf-8')
n, k = map(int, input().split())
a = list(map(int, input().split()))
if sum(a) < k:
print(-1)
exit()
o... | output | 1 | 19,957 | 14 | 39,915 |
Provide tags and a correct Python 3 solution for this coding contest problem.
There are n animals in the queue to Dr. Dolittle. When an animal comes into the office, the doctor examines him, gives prescriptions, appoints tests and may appoint extra examination. Doc knows all the forest animals perfectly well and there... | instruction | 0 | 19,958 | 14 | 39,916 |
Tags: binary search, math, sortings
Correct Solution:
```
from sys import stdin, stdout
n, k = map(int, stdin.readline().split())
values = list(map(int, stdin.readline().split()))
if sum(values) < k:
stdout.write('-1')
elif sum(values) > k:
l = 0
r = k + 1
while (r - l > 1):
m = (r + l) // 2... | output | 1 | 19,958 | 14 | 39,917 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There are n animals in the queue to Dr. Dolittle. When an animal comes into the office, the doctor examines him, gives prescriptions, appoints tests and may appoint extra examination. Doc knows ... | instruction | 0 | 19,959 | 14 | 39,918 |
No | output | 1 | 19,959 | 14 | 39,919 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There are n animals in the queue to Dr. Dolittle. When an animal comes into the office, the doctor examines him, gives prescriptions, appoints tests and may appoint extra examination. Doc knows ... | instruction | 0 | 19,960 | 14 | 39,920 |
No | output | 1 | 19,960 | 14 | 39,921 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Luba has to do n chores today. i-th chore takes ai units of time to complete. It is guaranteed that for every <image> the condition ai β₯ ai - 1 is met, so the sequence is sorted.
Also Luba can work really hard on some chores. She can choose... | instruction | 0 | 19,961 | 14 | 39,922 |
Tags: implementation
Correct Solution:
```
n, k, x = map(int, input().split())
times = list(map(int, input().split()))
for i in range(n - 1, n - k - 1, -1):
times[i] = x
print(sum(times))
``` | output | 1 | 19,961 | 14 | 39,923 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Luba has to do n chores today. i-th chore takes ai units of time to complete. It is guaranteed that for every <image> the condition ai β₯ ai - 1 is met, so the sequence is sorted.
Also Luba can work really hard on some chores. She can choose... | instruction | 0 | 19,962 | 14 | 39,924 |
Tags: implementation
Correct Solution:
```
n,k,x = map(int,input().split())
l = list(map(int,input().split()))
print(sum([l[i] for i in range(n-k)])+k*x)
``` | output | 1 | 19,962 | 14 | 39,925 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Luba has to do n chores today. i-th chore takes ai units of time to complete. It is guaranteed that for every <image> the condition ai β₯ ai - 1 is met, so the sequence is sorted.
Also Luba can work really hard on some chores. She can choose... | instruction | 0 | 19,963 | 14 | 39,926 |
Tags: implementation
Correct Solution:
```
n,k,x = map(int,input().split())
a = list(map(int,input().split()))
print(sum(a[:len(a)-k])+k*x)
``` | output | 1 | 19,963 | 14 | 39,927 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Luba has to do n chores today. i-th chore takes ai units of time to complete. It is guaranteed that for every <image> the condition ai β₯ ai - 1 is met, so the sequence is sorted.
Also Luba can work really hard on some chores. She can choose... | instruction | 0 | 19,964 | 14 | 39,928 |
Tags: implementation
Correct Solution:
```
# A. Chores
n, k, x = map(int, input().split())
a = list(map(int, input().split()))
ans = sum(a[:n-k])
ans += k * x
print(ans)
``` | output | 1 | 19,964 | 14 | 39,929 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Luba has to do n chores today. i-th chore takes ai units of time to complete. It is guaranteed that for every <image> the condition ai β₯ ai - 1 is met, so the sequence is sorted.
Also Luba can work really hard on some chores. She can choose... | instruction | 0 | 19,965 | 14 | 39,930 |
Tags: implementation
Correct Solution:
```
n, k, x = list(map(int, input().split()))
a = list(map(int, input().split()))
for i in range(k):
if a[n - 1 - i] > x:
a[n - 1 - i] = x
else:
break
print(sum(a))
``` | output | 1 | 19,965 | 14 | 39,931 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Luba has to do n chores today. i-th chore takes ai units of time to complete. It is guaranteed that for every <image> the condition ai β₯ ai - 1 is met, so the sequence is sorted.
Also Luba can work really hard on some chores. She can choose... | instruction | 0 | 19,966 | 14 | 39,932 |
Tags: implementation
Correct Solution:
```
n, k, x = map(int, input().split())
a = list(map(int, input().split()))
for i in range(k):
a[-1-i] = x
print(sum(a))
``` | output | 1 | 19,966 | 14 | 39,933 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Luba has to do n chores today. i-th chore takes ai units of time to complete. It is guaranteed that for every <image> the condition ai β₯ ai - 1 is met, so the sequence is sorted.
Also Luba can work really hard on some chores. She can choose... | instruction | 0 | 19,967 | 14 | 39,934 |
Tags: implementation
Correct Solution:
```
n,k,x = map(int,input().split())
lis = list(map(int,input().split()))
aa=sum(lis[:n-k])+(x*k)
print(aa)
``` | output | 1 | 19,967 | 14 | 39,935 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Luba has to do n chores today. i-th chore takes ai units of time to complete. It is guaranteed that for every <image> the condition ai β₯ ai - 1 is met, so the sequence is sorted.
Also Luba can work really hard on some chores. She can choose... | instruction | 0 | 19,968 | 14 | 39,936 |
Tags: implementation
Correct Solution:
```
read = lambda: tuple(map(int, input().split()))
n, k, x = read()
l = list(read())
for i in range(k):
l[-i-1] = x
print(sum(l))
``` | output | 1 | 19,968 | 14 | 39,937 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Luba has to do n chores today. i-th chore takes ai units of time to complete. It is guaranteed that for every <image> the condition ai β₯ ai - 1 is met, so the sequence is sorted.
Also Luba can ... | instruction | 0 | 19,969 | 14 | 39,938 |
Yes | output | 1 | 19,969 | 14 | 39,939 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Luba has to do n chores today. i-th chore takes ai units of time to complete. It is guaranteed that for every <image> the condition ai β₯ ai - 1 is met, so the sequence is sorted.
Also Luba can ... | instruction | 0 | 19,970 | 14 | 39,940 |
Yes | output | 1 | 19,970 | 14 | 39,941 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Luba has to do n chores today. i-th chore takes ai units of time to complete. It is guaranteed that for every <image> the condition ai β₯ ai - 1 is met, so the sequence is sorted.
Also Luba can ... | instruction | 0 | 19,971 | 14 | 39,942 |
Yes | output | 1 | 19,971 | 14 | 39,943 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Luba has to do n chores today. i-th chore takes ai units of time to complete. It is guaranteed that for every <image> the condition ai β₯ ai - 1 is met, so the sequence is sorted.
Also Luba can ... | instruction | 0 | 19,972 | 14 | 39,944 |
Yes | output | 1 | 19,972 | 14 | 39,945 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Luba has to do n chores today. i-th chore takes ai units of time to complete. It is guaranteed that for every <image> the condition ai β₯ ai - 1 is met, so the sequence is sorted.
Also Luba can ... | instruction | 0 | 19,973 | 14 | 39,946 |
No | output | 1 | 19,973 | 14 | 39,947 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Luba has to do n chores today. i-th chore takes ai units of time to complete. It is guaranteed that for every <image> the condition ai β₯ ai - 1 is met, so the sequence is sorted.
Also Luba can ... | instruction | 0 | 19,974 | 14 | 39,948 |
No | output | 1 | 19,974 | 14 | 39,949 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Luba has to do n chores today. i-th chore takes ai units of time to complete. It is guaranteed that for every <image> the condition ai β₯ ai - 1 is met, so the sequence is sorted.
Also Luba can ... | instruction | 0 | 19,975 | 14 | 39,950 |
No | output | 1 | 19,975 | 14 | 39,951 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Luba has to do n chores today. i-th chore takes ai units of time to complete. It is guaranteed that for every <image> the condition ai β₯ ai - 1 is met, so the sequence is sorted.
Also Luba can ... | instruction | 0 | 19,976 | 14 | 39,952 |
No | output | 1 | 19,976 | 14 | 39,953 |
Provide a correct Python 3 solution for this coding contest problem.
Queue is a container of elements that are inserted and deleted according to FIFO (First In First Out).
For $n$ queues $Q_i$ ($i = 0, 1, ..., n-1$), perform a sequence of the following operations.
* enqueue($t$, $x$): Insert an integer $x$ to $Q_t$.... | instruction | 0 | 20,251 | 14 | 40,502 |
"Correct Solution:
```
n,q=[int(i) for i in input().split(" ")]
Q=[[] for i in range(n)]
for _ in range(q):
query=[int(j) for j in input().split(" ")]
if query[0]==0:
Q[query[1]].append(query[2])
elif query[0]==1:
if len(Q[query[1]])>0:
print(Q[query[1]][0])
else:
i... | output | 1 | 20,251 | 14 | 40,503 |
Provide a correct Python 3 solution for this coding contest problem.
Queue is a container of elements that are inserted and deleted according to FIFO (First In First Out).
For $n$ queues $Q_i$ ($i = 0, 1, ..., n-1$), perform a sequence of the following operations.
* enqueue($t$, $x$): Insert an integer $x$ to $Q_t$.... | instruction | 0 | 20,252 | 14 | 40,504 |
"Correct Solution:
```
from collections import deque
n, q = list(map(int, input().split()))
Q = deque()
[Q.append(deque([])) for _ in range(n)]
for i in range(q):
query = list(map(int, input().split()))
t = query[1]
# enqueue
if query[0] == 0:
Q[t].append(query[2])
# front
elif query... | output | 1 | 20,252 | 14 | 40,505 |
Provide a correct Python 3 solution for this coding contest problem.
Queue is a container of elements that are inserted and deleted according to FIFO (First In First Out).
For $n$ queues $Q_i$ ($i = 0, 1, ..., n-1$), perform a sequence of the following operations.
* enqueue($t$, $x$): Insert an integer $x$ to $Q_t$.... | instruction | 0 | 20,253 | 14 | 40,506 |
"Correct Solution:
```
n,q = map(int,input().split())
li = []
for i in range(n):
li.append([])
for i in range(q):
x = list(map(int,input().split()))
if len(x) == 3:
li[x[1]].append(x[2])
else:
if x[0] == 1:
if li[x[1]] != []:
print(li[x[1]][0])
else:
... | output | 1 | 20,253 | 14 | 40,507 |
Provide a correct Python 3 solution for this coding contest problem.
Queue is a container of elements that are inserted and deleted according to FIFO (First In First Out).
For $n$ queues $Q_i$ ($i = 0, 1, ..., n-1$), perform a sequence of the following operations.
* enqueue($t$, $x$): Insert an integer $x$ to $Q_t$.... | instruction | 0 | 20,254 | 14 | 40,508 |
"Correct Solution:
```
n,q = map(int,input().split())
Q = []
for i in range(n):
Q.append([])
for i in range(q):
nq = list(map(int,input().split()))
if nq[0] == 0:
Q[nq[1]].append(nq[2])
elif nq[0] == 1 and len(Q[nq[1]]) > 0:
print (Q[nq[1]][0])
elif len(Q[nq[1]]) > 0:
... | output | 1 | 20,254 | 14 | 40,509 |
Provide a correct Python 3 solution for this coding contest problem.
Queue is a container of elements that are inserted and deleted according to FIFO (First In First Out).
For $n$ queues $Q_i$ ($i = 0, 1, ..., n-1$), perform a sequence of the following operations.
* enqueue($t$, $x$): Insert an integer $x$ to $Q_t$.... | instruction | 0 | 20,255 | 14 | 40,510 |
"Correct Solution:
```
import collections
n, q = map(int, input().split())
Q = [collections.deque() for i in range(n)]
queries = list()
for i in range(q):
queries.append(list(map(int, input().split())))
for query in queries:
if query[0] == 0:
Q[query[1]].append(query[2])
elif query[0] == 1:
... | output | 1 | 20,255 | 14 | 40,511 |
Provide a correct Python 3 solution for this coding contest problem.
Queue is a container of elements that are inserted and deleted according to FIFO (First In First Out).
For $n$ queues $Q_i$ ($i = 0, 1, ..., n-1$), perform a sequence of the following operations.
* enqueue($t$, $x$): Insert an integer $x$ to $Q_t$.... | instruction | 0 | 20,256 | 14 | 40,512 |
"Correct Solution:
```
from collections import deque
n, q = map(int, input().split())
S = [deque([]) for _ in range(n)]
for _ in range(q):
command, *list_num = input().split()
t = int(list_num[0])
if command == "0":
# enqueue(t, x)
x = int(list_num[1])
S[t].append(x)
... | output | 1 | 20,256 | 14 | 40,513 |
Provide a correct Python 3 solution for this coding contest problem.
Queue is a container of elements that are inserted and deleted according to FIFO (First In First Out).
For $n$ queues $Q_i$ ($i = 0, 1, ..., n-1$), perform a sequence of the following operations.
* enqueue($t$, $x$): Insert an integer $x$ to $Q_t$.... | instruction | 0 | 20,257 | 14 | 40,514 |
"Correct Solution:
```
from collections import deque
n, q = map(int, input().split())
Q = [deque() for _ in range(n)]
for _ in range(q):
query = list(map(int, input().split()))
if query[0] == 0:
Q[query[1]].append(query[2])
elif len(Q[query[1]]) > 0:
if query[0] == 1:
print(Q[que... | output | 1 | 20,257 | 14 | 40,515 |
Provide a correct Python 3 solution for this coding contest problem.
Queue is a container of elements that are inserted and deleted according to FIFO (First In First Out).
For $n$ queues $Q_i$ ($i = 0, 1, ..., n-1$), perform a sequence of the following operations.
* enqueue($t$, $x$): Insert an integer $x$ to $Q_t$.... | instruction | 0 | 20,258 | 14 | 40,516 |
"Correct Solution:
```
# -*- coding: utf-8 -*-
"""
Created on Sun Jun 24 14:53:50 2018
ITP22B
@author: maezawa
"""
from collections import deque
n, q = list(map(int, input().split()))
d = [deque() for _ in range(n)]
for i in range(q):
c = list(map(int, input().split()))
if c[0] == 0:
d[c[1]].append(... | output | 1 | 20,258 | 14 | 40,517 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Queue is a container of elements that are inserted and deleted according to FIFO (First In First Out).
For $n$ queues $Q_i$ ($i = 0, 1, ..., n-1$), perform a sequence of the following operation... | instruction | 0 | 20,259 | 14 | 40,518 |
Yes | output | 1 | 20,259 | 14 | 40,519 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Queue is a container of elements that are inserted and deleted according to FIFO (First In First Out).
For $n$ queues $Q_i$ ($i = 0, 1, ..., n-1$), perform a sequence of the following operation... | instruction | 0 | 20,260 | 14 | 40,520 |
Yes | output | 1 | 20,260 | 14 | 40,521 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Queue is a container of elements that are inserted and deleted according to FIFO (First In First Out).
For $n$ queues $Q_i$ ($i = 0, 1, ..., n-1$), perform a sequence of the following operation... | instruction | 0 | 20,261 | 14 | 40,522 |
Yes | output | 1 | 20,261 | 14 | 40,523 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Queue is a container of elements that are inserted and deleted according to FIFO (First In First Out).
For $n$ queues $Q_i$ ($i = 0, 1, ..., n-1$), perform a sequence of the following operation... | instruction | 0 | 20,262 | 14 | 40,524 |
Yes | output | 1 | 20,262 | 14 | 40,525 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Queue is a container of elements that are inserted and deleted according to FIFO (First In First Out).
For $n$ queues $Q_i$ ($i = 0, 1, ..., n-1$), perform a sequence of the following operation... | instruction | 0 | 20,263 | 14 | 40,526 |
No | output | 1 | 20,263 | 14 | 40,527 |
Provide tags and a correct Python 3 solution for this coding contest problem.
There are n cats in a line, labeled from 1 to n, with the i-th cat at position i. They are bored of gyrating in the same spot all day, so they want to reorder themselves such that no cat is in the same place as before. They are also lazy, so... | instruction | 0 | 20,532 | 14 | 41,064 |
Tags: constructive algorithms, greedy, implementation
Correct Solution:
```
t=int(input())
for i in range(t):
n=int(input())
if n%2==0:
for j in range(n//2):
print(j*2+2,end=' ')
print(j*2+1,end=' ')
else:
for j in range(n//2-1):
print(j*2+2,end=' ')
... | output | 1 | 20,532 | 14 | 41,065 |
Provide tags and a correct Python 3 solution for this coding contest problem.
There are n cats in a line, labeled from 1 to n, with the i-th cat at position i. They are bored of gyrating in the same spot all day, so they want to reorder themselves such that no cat is in the same place as before. They are also lazy, so... | instruction | 0 | 20,533 | 14 | 41,066 |
Tags: constructive algorithms, greedy, implementation
Correct Solution:
```
t = int(input())
for _ in range(0,t):
n = int(input())
if n%2 == 0:
pairs = int(n/2)
for i in range(1,pairs+1):
print(2*i,end = " ")
print(2*i - 1, end = " ")
else:
pairs = int(n//2) - 1
for i in range(1,pairs+1):
print(2*i... | output | 1 | 20,533 | 14 | 41,067 |
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