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 |
|---|---|---|---|---|---|
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Alice is a beginner composer and now she is ready to create another masterpiece. And not even the single one but two at the same time!
Alice has a sheet with n notes written on it. She wants t... | instruction | 0 | 34,835 | 12 | 69,670 |
No | output | 1 | 34,835 | 12 | 69,671 |
Provide a correct Python 3 solution for this coding contest problem.
You are given a binary array A=(A_1,A_2,\cdots,A_N) of length N.
Process Q queries of the following types. The i-th query is represented by three integers T_i,L_i,R_i.
* T_i=1: Replace the value of A_j with 1-A_j for each L_i \leq j \leq R_i.
* T_i... | instruction | 0 | 34,897 | 12 | 69,794 |
"Correct Solution:
```
class LazySegmentTree():
def __init__(self,n,init,merge,merge_unit,operate,merge_operate,operate_unit):
self.merge=merge
self.merge_unit=merge_unit
self.operate=operate
self.merge_operate=merge_operate
self.operate_unit=operate_unit
self.n=(n-1... | output | 1 | 34,897 | 12 | 69,795 |
Provide a correct Python 3 solution for this coding contest problem.
You are given a binary array A=(A_1,A_2,\cdots,A_N) of length N.
Process Q queries of the following types. The i-th query is represented by three integers T_i,L_i,R_i.
* T_i=1: Replace the value of A_j with 1-A_j for each L_i \leq j \leq R_i.
* T_i... | instruction | 0 | 34,898 | 12 | 69,796 |
"Correct Solution:
```
# エラーチェックを入れるなど
class LazySegmentTree:
__slots__ = ["n", "original_size", "log", "data", "lazy", "me", "oe", "fmm", "fmo", "foo"]
def __init__(self, length_or_list, monoid_identity, operator_identity, func_monoid_monoid, func_monoid_operator, func_operator_operator):
self.me = ... | output | 1 | 34,898 | 12 | 69,797 |
Provide a correct Python 3 solution for this coding contest problem.
You are given a binary array A=(A_1,A_2,\cdots,A_N) of length N.
Process Q queries of the following types. The i-th query is represented by three integers T_i,L_i,R_i.
* T_i=1: Replace the value of A_j with 1-A_j for each L_i \leq j \leq R_i.
* T_i... | instruction | 0 | 34,899 | 12 | 69,798 |
"Correct Solution:
```
# 同じインデックスの重複を除くので、関数の呼び出し回数が少し少ないはず。
# ただ、重複を除く分のオーバーヘッドがあるので、
# fmm, fmo, fooが軽い関数だと、スピードはそこまで出ない。
MOD = 998244353
mask = (1 << 32) - 1
mask20 = (1 << 20) - 1
mask40 = (1 << 40) - 1
class LazySegmentTree:
__slots__ = ["n", "data", "lazy", "me", "oe", "fmm", "fmo", "foo"]
def __ini... | output | 1 | 34,899 | 12 | 69,799 |
Provide a correct Python 3 solution for this coding contest problem.
You are given a binary array A=(A_1,A_2,\cdots,A_N) of length N.
Process Q queries of the following types. The i-th query is represented by three integers T_i,L_i,R_i.
* T_i=1: Replace the value of A_j with 1-A_j for each L_i \leq j \leq R_i.
* T_i... | instruction | 0 | 34,900 | 12 | 69,800 |
"Correct Solution:
```
# 2冪
# 同じインデックスの重複を除くので、関数の呼び出し回数が少し少ないはず。
# ただ、重複を除く分のオーバーヘッドがあるので、
# fmm, fmo, fooが軽い関数だと、スピードはそこまで出ない。
class LazySegmentTree:
__slots__ = ["n", "original_size", "log", "data", "lazy", "me", "oe", "fmm", "fmo", "foo"]
def __init__(self, monoid_data, monoid_identity, operator_identi... | output | 1 | 34,900 | 12 | 69,801 |
Provide a correct Python 3 solution for this coding contest problem.
You are given a binary array A=(A_1,A_2,\cdots,A_N) of length N.
Process Q queries of the following types. The i-th query is represented by three integers T_i,L_i,R_i.
* T_i=1: Replace the value of A_j with 1-A_j for each L_i \leq j \leq R_i.
* T_i... | instruction | 0 | 34,901 | 12 | 69,802 |
"Correct Solution:
```
import sys
input = lambda: sys.stdin.readline().rstrip()
class LazySegmentTree():
def __init__(self, init, unitX, unitA, f, g, h):
self.f = f # (X, X) -> X
self.g = g # (X, A, size) -> X
self.h = h # (A, A) -> A
self.unitX = unitX
self.unitA = unitA
... | output | 1 | 34,901 | 12 | 69,803 |
Provide a correct Python 3 solution for this coding contest problem.
You are given a binary array A=(A_1,A_2,\cdots,A_N) of length N.
Process Q queries of the following types. The i-th query is represented by three integers T_i,L_i,R_i.
* T_i=1: Replace the value of A_j with 1-A_j for each L_i \leq j \leq R_i.
* T_i... | instruction | 0 | 34,902 | 12 | 69,804 |
"Correct Solution:
```
import sys
input = lambda : sys.stdin.readline().rstrip()
sys.setrecursionlimit(max(1000, 10**9))
write = lambda x: sys.stdout.write(x+"\n")
### 遅延評価セグメント木
class LazySegmentTree:
def __init__(self, n, a=None):
"""初期化
num : n以上の最小の2のべき乗
"""
num = 1
wh... | output | 1 | 34,902 | 12 | 69,805 |
Provide a correct Python 3 solution for this coding contest problem.
You are given a binary array A=(A_1,A_2,\cdots,A_N) of length N.
Process Q queries of the following types. The i-th query is represented by three integers T_i,L_i,R_i.
* T_i=1: Replace the value of A_j with 1-A_j for each L_i \leq j \leq R_i.
* T_i... | instruction | 0 | 34,903 | 12 | 69,806 |
"Correct Solution:
```
I = [int(_) for _ in open(0).read().split()]
N, Q = I[:2]
A = I[2:2 + N]
T = I[2 + N::3]
L = I[3 + N::3]
R = I[4 + N::3]
class LazySegmentTree():
def __init__(self, array, f, g, h, ti, ei):
"""
Parameters
----------
array : list
to construct segme... | output | 1 | 34,903 | 12 | 69,807 |
Provide a correct Python 3 solution for this coding contest problem.
You are given a binary array A=(A_1,A_2,\cdots,A_N) of length N.
Process Q queries of the following types. The i-th query is represented by three integers T_i,L_i,R_i.
* T_i=1: Replace the value of A_j with 1-A_j for each L_i \leq j \leq R_i.
* T_i... | instruction | 0 | 34,904 | 12 | 69,808 |
"Correct Solution:
```
class lazy_segtree:
#遅延評価セグメント木
def __init__(s, op, e, mapping, composition, id, v):
if type(v) is int: v = [e()] * v
s._n = len(v)
s.log = s.ceil_pow2(s._n)
s.size = 1 << s.log
s.d = [e()] * (2 * s.size)
s.lz = [id()] * s.size
s.e = e
s.op = op
s.mapping =... | output | 1 | 34,904 | 12 | 69,809 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given two integers n and k. You are asked to choose maximum number of distinct integers from 1 to n so that there is no subset of chosen numbers with sum equal to k.
A subset of a set is a set that can be obtained from initial one b... | instruction | 0 | 35,397 | 12 | 70,794 |
Tags: constructive algorithms, greedy
Correct Solution:
```
t=int(input())
for i in range(t):
n,k=[int(w) for w in input().split()]
m=[]
s=''
if k%2!=0 or k==1:
print(int(n-int(k/2)-1))
else:
print(int(n-int(k/2)))
for j in range(k+1,n+1):
s+=str(j)+' '
for p in range... | output | 1 | 35,397 | 12 | 70,795 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given two integers n and k. You are asked to choose maximum number of distinct integers from 1 to n so that there is no subset of chosen numbers with sum equal to k.
A subset of a set is a set that can be obtained from initial one b... | instruction | 0 | 35,398 | 12 | 70,796 |
Tags: constructive algorithms, greedy
Correct Solution:
```
import sys
input=sys.stdin.readline
for _ in range(int(input().strip())):
n,k=map(int,input().strip().split(" "))#3 4
#s=input().strip()
#n=int(input().strip())
#a=list(map(int,input().strip().split(" ")))
o=[]
while n>k:
o.append(n)
n-=1
n-=1
whil... | output | 1 | 35,398 | 12 | 70,797 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given two integers n and k. You are asked to choose maximum number of distinct integers from 1 to n so that there is no subset of chosen numbers with sum equal to k.
A subset of a set is a set that can be obtained from initial one b... | instruction | 0 | 35,399 | 12 | 70,798 |
Tags: constructive algorithms, greedy
Correct Solution:
```
t = int(input())
for hg in range(t) :
n , k = map(int , input().split())
l = []
for i in range(k + 1 , n + 1):
l.append(i)
for i in reversed(range(1 , k)):
d = k - i
if d not in l:
l.append(i)
... | output | 1 | 35,399 | 12 | 70,799 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given two integers n and k. You are asked to choose maximum number of distinct integers from 1 to n so that there is no subset of chosen numbers with sum equal to k.
A subset of a set is a set that can be obtained from initial one b... | instruction | 0 | 35,400 | 12 | 70,800 |
Tags: constructive algorithms, greedy
Correct Solution:
```
T = int(input())
for _ in range(T):
N, K = map(int, input().split())
ans = []
for i in range((K + 1) // 2, K):
ans.append(str(i))
for i in range(K + 1, N + 1, 1):
ans.append(str(i))
print(len(ans))
if ans:
prin... | output | 1 | 35,400 | 12 | 70,801 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given two integers n and k. You are asked to choose maximum number of distinct integers from 1 to n so that there is no subset of chosen numbers with sum equal to k.
A subset of a set is a set that can be obtained from initial one b... | instruction | 0 | 35,401 | 12 | 70,802 |
Tags: constructive algorithms, greedy
Correct Solution:
```
#!/usr/bin/python
import sys
#use ./ex1.py < input_ex1.py
def solve(N, K):
print(N - K + int(K/2))
out_string = ""
for i in range (K+1, N+1):
out_string += str(i)
out_string += " "
for i in range (int((K+1)/2), K):
... | output | 1 | 35,401 | 12 | 70,803 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given two integers n and k. You are asked to choose maximum number of distinct integers from 1 to n so that there is no subset of chosen numbers with sum equal to k.
A subset of a set is a set that can be obtained from initial one b... | instruction | 0 | 35,402 | 12 | 70,804 |
Tags: constructive algorithms, greedy
Correct Solution:
```
for i in range(int(input())):
n,k=list(map(int,input().split()))
a=k-1
b=k-2
if a>0:
c=[a]
else:
c=[]
while a>0 and b>0 and a+b>k:
c.append(b)
a-=1
b-=1
c+=list(range(k+1,n+1))
print(len(c... | output | 1 | 35,402 | 12 | 70,805 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given two integers n and k. You are asked to choose maximum number of distinct integers from 1 to n so that there is no subset of chosen numbers with sum equal to k.
A subset of a set is a set that can be obtained from initial one b... | instruction | 0 | 35,403 | 12 | 70,806 |
Tags: constructive algorithms, greedy
Correct Solution:
```
for _ in range(int(input())):
n,k=map(int,input().split())
ans=[]
for i in range((k+1)//2,k):
ans.append(i)
for i in range(k+1,n+1):
ans.append(i)
print(len(ans))
print(*ans)
``` | output | 1 | 35,403 | 12 | 70,807 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given two integers n and k. You are asked to choose maximum number of distinct integers from 1 to n so that there is no subset of chosen numbers with sum equal to k.
A subset of a set is a set that can be obtained from initial one b... | instruction | 0 | 35,404 | 12 | 70,808 |
Tags: constructive algorithms, greedy
Correct Solution:
```
import sys
t = int(sys.stdin.readline().strip())
for _ in range(t):
n, k = map(int, sys.stdin.readline().split())
a = []
for j in range((k+1)//2, n+1):
if j != k:
a.append(j)
print(len(a))
for _ in a:
print(_, ... | output | 1 | 35,404 | 12 | 70,809 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Berland starts to seize the initiative on the war with Flatland. To drive the enemy from their native land, the berlanders need to know exactly how many more flatland soldiers are left in the enemy's reserve. Fortunately, the scouts captured... | instruction | 0 | 35,439 | 12 | 70,878 |
Tags: two pointers
Correct Solution:
```
n, k = map(int, input().split())
a = [int(_) for _ in input().split()]
mp = {}
res = 0
pos = 0
t = 0
for i in range(0, n):
if a[i] in mp:
mp[a[i]] += 1
else:
mp[a[i]] = 1
while pos <= i and k <= mp[a[i]]:
mp[a[pos]] -= 1
res += n - ... | output | 1 | 35,439 | 12 | 70,879 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Berland starts to seize the initiative on the war with Flatland. To drive the enemy from their native land, the berlanders need to know exactly how many more flatland soldiers are left in the enemy's reserve. Fortunately, the scouts captured... | instruction | 0 | 35,440 | 12 | 70,880 |
Tags: two pointers
Correct Solution:
```
def answer():
ans,count,j=0,0,0
d=dict()
for i in range(n):
while(j==0 or d[a[j-1]] < k):
if(j==n):
j+=1
break
try:d[a[j]]+=1
except:d[a[j]]=1
count += 1
m... | output | 1 | 35,440 | 12 | 70,881 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Berland starts to seize the initiative on the war with Flatland. To drive the enemy from their native land, the berlanders need to know exactly how many more flatland soldiers are left in the enemy's reserve. Fortunately, the scouts captured... | instruction | 0 | 35,441 | 12 | 70,882 |
Tags: two pointers
Correct Solution:
```
from collections import defaultdict
n, k = [int(x) for x in input().split()]
a = [int(x) for x in input().split()]
window = defaultdict(lambda : 0)
window[a[0]] += 1
i, j, ans = 0, 0, 0
while i < n and j < n:
if window[a[j]] >= k:
ans += n-j
window[a[i]] -= 1... | output | 1 | 35,441 | 12 | 70,883 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Being a programmer, you like arrays a lot. For your birthday, your friends have given you an array a consisting of n distinct integers.
Unfortunately, the size of a is too small. You want a bigger array! Your friends agree to give you a big... | instruction | 0 | 35,524 | 12 | 71,048 |
Tags: implementation, sortings
Correct Solution:
```
n=int(input())
a=list(map(int,input().strip().split(" ")))
l=0
while (l<n-1 and a[l]<a[l+1]):
l+=1
r=l+1
while(r<n and a[r]<a[r-1]):
r+=1
a=a[:l]+a[l:r][::-1]+a[r:]
k=0
for i in range(1,n):
if a[i]<a[i-1]:
k=1
break
if k==0:
print(... | output | 1 | 35,524 | 12 | 71,049 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Being a programmer, you like arrays a lot. For your birthday, your friends have given you an array a consisting of n distinct integers.
Unfortunately, the size of a is too small. You want a bigger array! Your friends agree to give you a big... | instruction | 0 | 35,525 | 12 | 71,050 |
Tags: implementation, sortings
Correct Solution:
```
n=int(input())
a=list(map(int,input().split()))
b=sorted(a)
i=0
while i<n and a[i]==b[i]:
i+=1
j=n-1
while j>-1 and a[j]==b[j]:
j-=1
if i>j:
print("yes")
print(1,1)
else:
c = a[:i]+a[i:j+1][::-1]+a[j+1:]
if c==b:
print("yes")
... | output | 1 | 35,525 | 12 | 71,051 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Being a programmer, you like arrays a lot. For your birthday, your friends have given you an array a consisting of n distinct integers.
Unfortunately, the size of a is too small. You want a bigger array! Your friends agree to give you a big... | instruction | 0 | 35,526 | 12 | 71,052 |
Tags: implementation, sortings
Correct Solution:
```
def sortthearray():
par1 = int(input())
par2 = list(map(int,input().split()))
sortedpar2 = sorted(par2)
if (par2 == sortedpar2):
return "yes\n1 1"
lr = []
for i in range(par1):
if(par2[i] != sortedpar2[i]):
lr.appen... | output | 1 | 35,526 | 12 | 71,053 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Being a programmer, you like arrays a lot. For your birthday, your friends have given you an array a consisting of n distinct integers.
Unfortunately, the size of a is too small. You want a bigger array! Your friends agree to give you a big... | instruction | 0 | 35,527 | 12 | 71,054 |
Tags: implementation, sortings
Correct Solution:
```
n = int(input())
s = list(map(int, input().split()))
l, r = 0, 0
while l+1<n and s[l]<s[l+1]:
l+=1
r = l
while r+1<n and s[r]>s[r+1]:
r+=1
a = s[:l]+s[l:r+1][::-1]+s[r+1:]
s.sort()
if a == s:
print('yes')
print(l+1, r+1)
else:
print('no')
``` | output | 1 | 35,527 | 12 | 71,055 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Being a programmer, you like arrays a lot. For your birthday, your friends have given you an array a consisting of n distinct integers.
Unfortunately, the size of a is too small. You want a bigger array! Your friends agree to give you a big... | instruction | 0 | 35,528 | 12 | 71,056 |
Tags: implementation, sortings
Correct Solution:
```
n = int(input())
array = list(map(int, input().split()))
pos = [1]
for i in range(1, n):
if array[i] >= array[i - 1]:
pos.append(1)
else:
pos.append(-1)
c = 0
for i in range(1, n):
if pos[i] != pos[i - 1]:
c += 1
if c > 2:
p... | output | 1 | 35,528 | 12 | 71,057 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Being a programmer, you like arrays a lot. For your birthday, your friends have given you an array a consisting of n distinct integers.
Unfortunately, the size of a is too small. You want a bigger array! Your friends agree to give you a big... | instruction | 0 | 35,529 | 12 | 71,058 |
Tags: implementation, sortings
Correct Solution:
```
import sys
input = lambda: sys.stdin.readline().strip("\r\n")
n = int(input())
l = list(map(int, input().split()))
i = 1
while i < n:
if l[i] < l[i - 1]:
break
i += 1
j = i
while j < n:
if l[j] > l[j - 1]:
break
j += 1
s = l[:i - 1] ... | output | 1 | 35,529 | 12 | 71,059 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Being a programmer, you like arrays a lot. For your birthday, your friends have given you an array a consisting of n distinct integers.
Unfortunately, the size of a is too small. You want a bigger array! Your friends agree to give you a big... | instruction | 0 | 35,530 | 12 | 71,060 |
Tags: implementation, sortings
Correct Solution:
```
n=int(input())
a=list(map(int,input().split(" ")))
i=0
idx1=[]
idx2=-1
while i<=len(a)-1:
if (i+1<len(a) and a[i]>a[i+1] ) and (i-1<0 or a[i-1]<a[i]) :
idx1.append(i)
idx2=i
if i-1>=0 and a[i-1]>a[i]:
idx2=i
i+=1
if len(idx1)=... | output | 1 | 35,530 | 12 | 71,061 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Being a programmer, you like arrays a lot. For your birthday, your friends have given you an array a consisting of n distinct integers.
Unfortunately, the size of a is too small. You want a bigger array! Your friends agree to give you a big... | instruction | 0 | 35,531 | 12 | 71,062 |
Tags: implementation, sortings
Correct Solution:
```
n=int(input())
a=[int(x) for x in input().split()]
b=sorted(a,key=int)
l,r=0,n-1
if a==b:
print("yes")
print("1 1")
else:
while a[l]==b[l]:l+=1
while a[r]==b[r]:r-=1
if a[l:r+1]==b[l:r+1][::-1]:
print("yes")
print(1+min(l,r),1+max(l,r))
else:
print("no")
... | output | 1 | 35,531 | 12 | 71,063 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Being a programmer, you like arrays a lot. For your birthday, your friends have given you an array a consisting of n distinct integers.
Unfortunately, the size of a is too small. You want a big... | instruction | 0 | 35,532 | 12 | 71,064 |
Yes | output | 1 | 35,532 | 12 | 71,065 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Being a programmer, you like arrays a lot. For your birthday, your friends have given you an array a consisting of n distinct integers.
Unfortunately, the size of a is too small. You want a big... | instruction | 0 | 35,533 | 12 | 71,066 |
Yes | output | 1 | 35,533 | 12 | 71,067 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Being a programmer, you like arrays a lot. For your birthday, your friends have given you an array a consisting of n distinct integers.
Unfortunately, the size of a is too small. You want a big... | instruction | 0 | 35,534 | 12 | 71,068 |
Yes | output | 1 | 35,534 | 12 | 71,069 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Being a programmer, you like arrays a lot. For your birthday, your friends have given you an array a consisting of n distinct integers.
Unfortunately, the size of a is too small. You want a big... | instruction | 0 | 35,535 | 12 | 71,070 |
Yes | output | 1 | 35,535 | 12 | 71,071 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Being a programmer, you like arrays a lot. For your birthday, your friends have given you an array a consisting of n distinct integers.
Unfortunately, the size of a is too small. You want a big... | instruction | 0 | 35,536 | 12 | 71,072 |
No | output | 1 | 35,536 | 12 | 71,073 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Being a programmer, you like arrays a lot. For your birthday, your friends have given you an array a consisting of n distinct integers.
Unfortunately, the size of a is too small. You want a big... | instruction | 0 | 35,537 | 12 | 71,074 |
No | output | 1 | 35,537 | 12 | 71,075 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Being a programmer, you like arrays a lot. For your birthday, your friends have given you an array a consisting of n distinct integers.
Unfortunately, the size of a is too small. You want a big... | instruction | 0 | 35,538 | 12 | 71,076 |
No | output | 1 | 35,538 | 12 | 71,077 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Being a programmer, you like arrays a lot. For your birthday, your friends have given you an array a consisting of n distinct integers.
Unfortunately, the size of a is too small. You want a big... | instruction | 0 | 35,539 | 12 | 71,078 |
No | output | 1 | 35,539 | 12 | 71,079 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Bob has a favorite number k and ai of length n. Now he asks you to answer m queries. Each query is given by a pair li and ri and asks you to count the number of pairs of integers i and j, such that l ≤ i ≤ j ≤ r and the xor of the numbers ai... | instruction | 0 | 35,588 | 12 | 71,176 |
Tags: data structures
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.fileno()
self.buffer = BytesIO()
self.wri... | output | 1 | 35,588 | 12 | 71,177 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Bob has a favorite number k and ai of length n. Now he asks you to answer m queries. Each query is given by a pair li and ri and asks you to count the number of pairs of integers i and j, such that l ≤ i ≤ j ≤ r and the xor of the numbers ai... | instruction | 0 | 35,589 | 12 | 71,178 |
Tags: data structures
Correct Solution:
```
# [https://codeforces.com/contest/617/submission/15550846 <- https://codeforces.com/blog/entry/22971 <- https://codeforces.com/problemset/problem/617/E <- https://algoprog.ru/material/pc617pE]
BLOCK_SIZE = 316 #sqrt(1e5)
class Query:
def __init__(self, left, right, numb... | output | 1 | 35,589 | 12 | 71,179 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
An array of positive integers a1, a2, ..., an is given. Let us consider its arbitrary subarray al, al + 1..., ar, where 1 ≤ l ≤ r ≤ n. For every positive integer s denote by Ks the number of occ... | instruction | 0 | 35,709 | 12 | 71,418 |
No | output | 1 | 35,709 | 12 | 71,419 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
An array of positive integers a1, a2, ..., an is given. Let us consider its arbitrary subarray al, al + 1..., ar, where 1 ≤ l ≤ r ≤ n. For every positive integer s denote by Ks the number of occ... | instruction | 0 | 35,710 | 12 | 71,420 |
No | output | 1 | 35,710 | 12 | 71,421 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
An array of positive integers a1, a2, ..., an is given. Let us consider its arbitrary subarray al, al + 1..., ar, where 1 ≤ l ≤ r ≤ n. For every positive integer s denote by Ks the number of occ... | instruction | 0 | 35,711 | 12 | 71,422 |
No | output | 1 | 35,711 | 12 | 71,423 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
An array of positive integers a1, a2, ..., an is given. Let us consider its arbitrary subarray al, al + 1..., ar, where 1 ≤ l ≤ r ≤ n. For every positive integer s denote by Ks the number of occ... | instruction | 0 | 35,712 | 12 | 71,424 |
No | output | 1 | 35,712 | 12 | 71,425 |
Provide a correct Python 3 solution for this coding contest problem.
One day Mr. Takahashi picked up a dictionary containing all of the N! permutations of integers 1 through N. The dictionary has N! pages, and page i (1 ≤ i ≤ N!) contains the i-th permutation in the lexicographical order.
Mr. Takahashi wanted to look... | instruction | 0 | 35,889 | 12 | 71,778 |
"Correct Solution:
```
import sys
read = sys.stdin.buffer.read
readline = sys.stdin.buffer.readline
readlines = sys.stdin.buffer.readlines
sys.setrecursionlimit(10 ** 7)
import itertools
MOD = 10**9 + 7
# 右側に自身より低い数値をいくつ残せているか
N,*A = map(int,read().split())
A_rev = A[::-1]
class BIT():
def __init__(self, max_... | output | 1 | 35,889 | 12 | 71,779 |
Provide a correct Python 3 solution for this coding contest problem.
One day Mr. Takahashi picked up a dictionary containing all of the N! permutations of integers 1 through N. The dictionary has N! pages, and page i (1 ≤ i ≤ N!) contains the i-th permutation in the lexicographical order.
Mr. Takahashi wanted to look... | instruction | 0 | 35,890 | 12 | 71,780 |
"Correct Solution:
```
import sys
input = lambda : sys.stdin.readline().rstrip()
sys.setrecursionlimit(max(1000, 10**9))
write = lambda x: sys.stdout.write(x+"\n")
M = 10**9+7
n = int(input())
p = list(map(int, input().split()))
g1 = [None]*(n+10)
v = 1
g1[0] = 1
for i in range(1,len(g1)):
v *= i
v %= M
g... | output | 1 | 35,890 | 12 | 71,781 |
Provide a correct Python 3 solution for this coding contest problem.
One day Mr. Takahashi picked up a dictionary containing all of the N! permutations of integers 1 through N. The dictionary has N! pages, and page i (1 ≤ i ≤ N!) contains the i-th permutation in the lexicographical order.
Mr. Takahashi wanted to look... | instruction | 0 | 35,891 | 12 | 71,782 |
"Correct Solution:
```
"""
https://atcoder.jp/contests/code-festival-2016-qualc/tasks/codefestival_2016_qualC_e
ページの合計に与える寄与を考えればよい
ある位置iにある数字の与える寄与は
(自分より右にある数字の数)! * 自分より右にあるより小さい数字の数
元からおかれている数字同士に関しての寄与はBITで終わり
元からおかれている数字 & 自由な数字の寄与は
順列の総数 * 自由な数字の中で自分より小さいものの数 * 右にある空欄の数 / 全ての空欄の数 * fac[N-1-i]
順列の総数 * 自由な数字の中... | output | 1 | 35,891 | 12 | 71,783 |
Provide a correct Python 3 solution for this coding contest problem.
One day Mr. Takahashi picked up a dictionary containing all of the N! permutations of integers 1 through N. The dictionary has N! pages, and page i (1 ≤ i ≤ N!) contains the i-th permutation in the lexicographical order.
Mr. Takahashi wanted to look... | instruction | 0 | 35,892 | 12 | 71,784 |
"Correct Solution:
```
import sys
input = lambda : sys.stdin.readline().rstrip()
sys.setrecursionlimit(max(1000, 10**9))
write = lambda x: sys.stdout.write(x+"\n")
M = 10**9+7
n = int(input())
p = list(map(int, input().split()))
g1 = [None]*(n+10)
v = 1
g1[0] = 1
for i in range(1,len(g1)):
v *= i
v %= M
g... | output | 1 | 35,892 | 12 | 71,785 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
One day Mr. Takahashi picked up a dictionary containing all of the N! permutations of integers 1 through N. The dictionary has N! pages, and page i (1 ≤ i ≤ N!) contains the i-th permutation in ... | instruction | 0 | 35,893 | 12 | 71,786 |
No | output | 1 | 35,893 | 12 | 71,787 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
One day Mr. Takahashi picked up a dictionary containing all of the N! permutations of integers 1 through N. The dictionary has N! pages, and page i (1 ≤ i ≤ N!) contains the i-th permutation in ... | instruction | 0 | 35,894 | 12 | 71,788 |
No | output | 1 | 35,894 | 12 | 71,789 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
One day Mr. Takahashi picked up a dictionary containing all of the N! permutations of integers 1 through N. The dictionary has N! pages, and page i (1 ≤ i ≤ N!) contains the i-th permutation in ... | instruction | 0 | 35,895 | 12 | 71,790 |
No | output | 1 | 35,895 | 12 | 71,791 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
One day Mr. Takahashi picked up a dictionary containing all of the N! permutations of integers 1 through N. The dictionary has N! pages, and page i (1 ≤ i ≤ N!) contains the i-th permutation in ... | instruction | 0 | 35,896 | 12 | 71,792 |
No | output | 1 | 35,896 | 12 | 71,793 |
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