message stringlengths 2 59.7k | message_type stringclasses 2
values | message_id int64 0 1 | conversation_id int64 37 108k | cluster float64 20 20 | __index_level_0__ int64 74 217k |
|---|---|---|---|---|---|
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Little Petya very much likes computers. Recently he has received a new "Ternatron IV" as a gift from his mother. Unlike other modern computers, "Ternatron IV" operates with ternary and not binar... | instruction | 0 | 58,197 | 20 | 116,394 |
No | output | 1 | 58,197 | 20 | 116,395 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Little Petya very much likes computers. Recently he has received a new "Ternatron IV" as a gift from his mother. Unlike other modern computers, "Ternatron IV" operates with ternary and not binar... | instruction | 0 | 58,198 | 20 | 116,396 |
No | output | 1 | 58,198 | 20 | 116,397 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Little Petya very much likes computers. Recently he has received a new "Ternatron IV" as a gift from his mother. Unlike other modern computers, "Ternatron IV" operates with ternary and not binar... | instruction | 0 | 58,199 | 20 | 116,398 |
No | output | 1 | 58,199 | 20 | 116,399 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Little Petya very much likes computers. Recently he has received a new "Ternatron IV" as a gift from his mother. Unlike other modern computers, "Ternatron IV" operates with ternary and not binar... | instruction | 0 | 58,200 | 20 | 116,400 |
No | output | 1 | 58,200 | 20 | 116,401 |
Provide tags and a correct Python 3 solution for this coding contest problem.
A number is called quasibinary if its decimal representation contains only digits 0 or 1. For example, numbers 0, 1, 101, 110011 β are quasibinary and numbers 2, 12, 900 are not.
You are given a positive integer n. Represent it as a sum of ... | instruction | 0 | 58,434 | 20 | 116,868 |
Tags: constructive algorithms, dp, greedy, implementation
Correct Solution:
```
import sys,os.path
if __name__ == '__main__':
if(os.path.exists('input.txt')):
sys.stdin = open("input.txt","r")
sys.stdout = open("output.txt","w")
n = input()
ans = []
no = int(n)
while no>0:
# ... | output | 1 | 58,434 | 20 | 116,869 |
Provide tags and a correct Python 3 solution for this coding contest problem.
A number is called quasibinary if its decimal representation contains only digits 0 or 1. For example, numbers 0, 1, 101, 110011 β are quasibinary and numbers 2, 12, 900 are not.
You are given a positive integer n. Represent it as a sum of ... | instruction | 0 | 58,435 | 20 | 116,870 |
Tags: constructive algorithms, dp, greedy, implementation
Correct Solution:
```
strN = input()
l = len(strN)
strN = list(map(int, list(strN)))
k = max(strN)
print(k)
res = [0 for i in range(k)]
for i in range(l):
for j in range(strN[i]):
res[j] += 10**(l-i-1);
print(*res, sep = " ")
``` | output | 1 | 58,435 | 20 | 116,871 |
Provide tags and a correct Python 3 solution for this coding contest problem.
A number is called quasibinary if its decimal representation contains only digits 0 or 1. For example, numbers 0, 1, 101, 110011 β are quasibinary and numbers 2, 12, 900 are not.
You are given a positive integer n. Represent it as a sum of ... | instruction | 0 | 58,436 | 20 | 116,872 |
Tags: constructive algorithms, dp, greedy, implementation
Correct Solution:
```
digits = list(map(int, list(input())))
quasis = list()
for x in range(max(digits)) :
nextQuasi = "";
for y in range(len(digits)) :
if(digits[y] > 0) :
nextQuasi += "1"
digits[y]-=1
else :
nextQuasi += "0"
quasis.append(int(... | output | 1 | 58,436 | 20 | 116,873 |
Provide tags and a correct Python 3 solution for this coding contest problem.
A number is called quasibinary if its decimal representation contains only digits 0 or 1. For example, numbers 0, 1, 101, 110011 β are quasibinary and numbers 2, 12, 900 are not.
You are given a positive integer n. Represent it as a sum of ... | instruction | 0 | 58,437 | 20 | 116,874 |
Tags: constructive algorithms, dp, greedy, implementation
Correct Solution:
```
n=int(input())
res=[]
while (n>0):
b=''
for i in str(n):
b+=str(min(int(i),1))
n-=int(b)
res.append(int(b))
print(len(res))
print(*res)
``` | output | 1 | 58,437 | 20 | 116,875 |
Provide tags and a correct Python 3 solution for this coding contest problem.
A number is called quasibinary if its decimal representation contains only digits 0 or 1. For example, numbers 0, 1, 101, 110011 β are quasibinary and numbers 2, 12, 900 are not.
You are given a positive integer n. Represent it as a sum of ... | instruction | 0 | 58,438 | 20 | 116,876 |
Tags: constructive algorithms, dp, greedy, implementation
Correct Solution:
```
n=input()
a=[int(x) for x in n]
ans=[]
mx=max(a)
for i in range(mx):
l=[0 for x in range(len(a))]
ans+=[l]
for j in range(len(a)):
val=a[j]
for i in range(mx):
if(val>0):
ans[i][j]=1
val-=1
... | output | 1 | 58,438 | 20 | 116,877 |
Provide tags and a correct Python 3 solution for this coding contest problem.
A number is called quasibinary if its decimal representation contains only digits 0 or 1. For example, numbers 0, 1, 101, 110011 β are quasibinary and numbers 2, 12, 900 are not.
You are given a positive integer n. Represent it as a sum of ... | instruction | 0 | 58,439 | 20 | 116,878 |
Tags: constructive algorithms, dp, greedy, implementation
Correct Solution:
```
l = list(map(int,list(input())))
print(max(l))
ans = []
while l.count(0) != len(l):
k = ['0' for i in range(len(l))]
for i in range(len(l)):
if l[i] != 0:
l[i] -= 1
k[i] = '1'
ans.append(str(int('... | output | 1 | 58,439 | 20 | 116,879 |
Provide tags and a correct Python 3 solution for this coding contest problem.
A number is called quasibinary if its decimal representation contains only digits 0 or 1. For example, numbers 0, 1, 101, 110011 β are quasibinary and numbers 2, 12, 900 are not.
You are given a positive integer n. Represent it as a sum of ... | instruction | 0 | 58,440 | 20 | 116,880 |
Tags: constructive algorithms, dp, greedy, implementation
Correct Solution:
```
s = input()
mat=[]
for i in s:
mat.append(int(i))
sat = [0] * max(mat)
for i in range(len(mat)):
for j in range(mat[i]):
sat[j] +=10**(len(mat) - i - 1)
print(len(sat))
print(*sat)
``` | output | 1 | 58,440 | 20 | 116,881 |
Provide tags and a correct Python 3 solution for this coding contest problem.
A number is called quasibinary if its decimal representation contains only digits 0 or 1. For example, numbers 0, 1, 101, 110011 β are quasibinary and numbers 2, 12, 900 are not.
You are given a positive integer n. Represent it as a sum of ... | instruction | 0 | 58,441 | 20 | 116,882 |
Tags: constructive algorithms, dp, greedy, implementation
Correct Solution:
```
n=str(int(input()))
l=[]
while(1):
s1=''
k=0
for i in range(len(n)):
if(int(n[i])>1):
s1+='1'
k=1
else:
s1+=n[i]
l.append(int(s1))
if(k==0):
break
... | output | 1 | 58,441 | 20 | 116,883 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
A number is called quasibinary if its decimal representation contains only digits 0 or 1. For example, numbers 0, 1, 101, 110011 β are quasibinary and numbers 2, 12, 900 are not.
You are given ... | instruction | 0 | 58,442 | 20 | 116,884 |
Yes | output | 1 | 58,442 | 20 | 116,885 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
A number is called quasibinary if its decimal representation contains only digits 0 or 1. For example, numbers 0, 1, 101, 110011 β are quasibinary and numbers 2, 12, 900 are not.
You are given ... | instruction | 0 | 58,443 | 20 | 116,886 |
Yes | output | 1 | 58,443 | 20 | 116,887 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
A number is called quasibinary if its decimal representation contains only digits 0 or 1. For example, numbers 0, 1, 101, 110011 β are quasibinary and numbers 2, 12, 900 are not.
You are given ... | instruction | 0 | 58,444 | 20 | 116,888 |
Yes | output | 1 | 58,444 | 20 | 116,889 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
A number is called quasibinary if its decimal representation contains only digits 0 or 1. For example, numbers 0, 1, 101, 110011 β are quasibinary and numbers 2, 12, 900 are not.
You are given ... | instruction | 0 | 58,445 | 20 | 116,890 |
Yes | output | 1 | 58,445 | 20 | 116,891 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
A number is called quasibinary if its decimal representation contains only digits 0 or 1. For example, numbers 0, 1, 101, 110011 β are quasibinary and numbers 2, 12, 900 are not.
You are given ... | instruction | 0 | 58,446 | 20 | 116,892 |
No | output | 1 | 58,446 | 20 | 116,893 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
A number is called quasibinary if its decimal representation contains only digits 0 or 1. For example, numbers 0, 1, 101, 110011 β are quasibinary and numbers 2, 12, 900 are not.
You are given ... | instruction | 0 | 58,447 | 20 | 116,894 |
No | output | 1 | 58,447 | 20 | 116,895 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
A number is called quasibinary if its decimal representation contains only digits 0 or 1. For example, numbers 0, 1, 101, 110011 β are quasibinary and numbers 2, 12, 900 are not.
You are given ... | instruction | 0 | 58,448 | 20 | 116,896 |
No | output | 1 | 58,448 | 20 | 116,897 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
A number is called quasibinary if its decimal representation contains only digits 0 or 1. For example, numbers 0, 1, 101, 110011 β are quasibinary and numbers 2, 12, 900 are not.
You are given ... | instruction | 0 | 58,449 | 20 | 116,898 |
No | output | 1 | 58,449 | 20 | 116,899 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Karen has just arrived at school, and she has a math test today!
<image>
The test is about basic addition and subtraction. Unfortunately, the teachers were too busy writing tasks for Codeforces rounds, and had no time to make an actual tes... | instruction | 0 | 58,569 | 20 | 117,138 |
Tags: brute force, combinatorics, constructive algorithms, math
Correct Solution:
```
from sys import exit, stdin, stdout
n = int(stdin.readline())
a = [int(i) for i in stdin.readline().split()]
if n == 1:
print(a[0])
exit(0)
mod = 1000000007
f = [0] * (n + 1)
f[0] = 1
for i in range(1, n + 1):
f[i] = (f[i-... | output | 1 | 58,569 | 20 | 117,139 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Karen has just arrived at school, and she has a math test today!
<image>
The test is about basic addition and subtraction. Unfortunately, the teachers were too busy writing tasks for Codeforces rounds, and had no time to make an actual tes... | instruction | 0 | 58,570 | 20 | 117,140 |
Tags: brute force, combinatorics, constructive algorithms, math
Correct Solution:
```
import sys
def CreateFact(n,mod):
cant=n+1
factorials=[1]*cant
for x in range(1,cant):
val=factorials[x-1]*x%mod
factorials[x]=val
inv_factorial=[1]*cant
inv_factorial[n]=pow(factorials[-1], ... | output | 1 | 58,570 | 20 | 117,141 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Karen has just arrived at school, and she has a math test today!
<image>
The test is about basic addition and subtraction. Unfortunately, the teachers were too busy writing tasks for Codeforces rounds, and had no time to make an actual tes... | instruction | 0 | 58,571 | 20 | 117,142 |
Tags: brute force, combinatorics, constructive algorithms, math
Correct Solution:
```
from sys import exit
n = int(input())
a = [int(i) for i in input().split()]
if n == 1:
print(a[0])
exit(0)
mod = 1000000007
f = [0] * (n + 1)
f[0] = 1
for i in range(1, n + 1):
f[i] = (f[i-1] * i) % mod
def f_pow(a, k):
... | output | 1 | 58,571 | 20 | 117,143 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Karen has just arrived at school, and she has a math test today!
<image>
The test is about basic addition and subtraction. Unfortunately, the teachers were too busy writing tasks for Codeforces rounds, and had no time to make an actual tes... | instruction | 0 | 58,572 | 20 | 117,144 |
Tags: brute force, combinatorics, constructive algorithms, math
Correct Solution:
```
import sys
#Este metodo calcula los coeficientes resultantes para n%2==0 y para los restantes calcula los coeficientes de su segunda fila
def RestWith4(c,m,n,v):
pos=0
coefi=[1]*n
if v:
for x in range(0,m):
... | output | 1 | 58,572 | 20 | 117,145 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Karen has just arrived at school, and she has a math test today!
<image>
The test is about basic addition and subtraction. Unfortunately, the teachers were too busy writing tasks for Codeforces rounds, and had no time to make an actual tes... | instruction | 0 | 58,573 | 20 | 117,146 |
Tags: brute force, combinatorics, constructive algorithms, math
Correct Solution:
```
#!/usr/bin/env python3
from sys import stdin, stdout
def main():
N = 400005
MOD = 10 ** 9 + 7
fact = [1] + [i+1 for i in range(N)]
for i in range(1, N + 1):
fact[i] *= fact[i - 1]
fact[i] %= MOD
... | output | 1 | 58,573 | 20 | 117,147 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Karen has just arrived at school, and she has a math test today!
<image>
The test is about basic addition and subtraction. Unfortunately, the teachers were too busy writing tasks for Codeforces rounds, and had no time to make an actual tes... | instruction | 0 | 58,574 | 20 | 117,148 |
Tags: brute force, combinatorics, constructive algorithms, math
Correct Solution:
```
n = int(input())
p = list(map(int,input().split()))
MOD = 10**9+7
mode = 0
if n%4 == 3:
n-= 1
new = []
for i in range(n):
if mode == 0: new.append(p[i]+p[i+1])
else: new.append(p[i]-p[i+1])
mode = ... | output | 1 | 58,574 | 20 | 117,149 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Karen has just arrived at school, and she has a math test today!
<image>
The test is about basic addition and subtraction. Unfortunately, the teachers were too busy writing tasks for Codeforces rounds, and had no time to make an actual tes... | instruction | 0 | 58,575 | 20 | 117,150 |
Tags: brute force, combinatorics, constructive algorithms, math
Correct Solution:
```
#!/usr/bin/env pypy3
import math
def make_nCr_mod(max_n=2*10**5 + 100, mod=10**9 + 7):
fact, inv_fact = [0] * (max_n + 1), [0] * (max_n + 1)
fact[0] = 1
for i in range(max_n):
fact[i + 1] = fact[i] * (i + 1) % mo... | output | 1 | 58,575 | 20 | 117,151 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Karen has just arrived at school, and she has a math test today!
<image>
The test is about basic addition and subtraction. Unfortunately, the teachers were too busy writing tasks for Codeforces rounds, and had no time to make an actual tes... | instruction | 0 | 58,576 | 20 | 117,152 |
Tags: brute force, combinatorics, constructive algorithms, math
Correct Solution:
```
"""
5
3 6 9 12 15 should output 36
4
3 7 5 2 should output 1000000006
"""
from sys import exit
from typing import List
MOD = 10 ** 9 + 7;
def mod_inv(n: int) -> int:
return pow(n, MOD - 2, MOD)
def tri_sum(row: List[int]) -> ... | output | 1 | 58,576 | 20 | 117,153 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Absent-minded Masha got set of n cubes for her birthday.
At each of 6 faces of each cube, there is exactly one digit from 0 to 9. Masha became interested what is the largest natural x such she can make using her new cubes all integers from ... | instruction | 0 | 58,598 | 20 | 117,196 |
Tags: brute force, implementation
Correct Solution:
```
order=["012","021","102","120","201","210"]
cube=["","",""]
for _ in range(int(input())):
cube[_]=input()
for num in range(1,999):
num=str(num)
flag=0
for o in range(6):
i=0
for ele in num:
if ele not in cube[int(order[o][i])]:
break
... | output | 1 | 58,598 | 20 | 117,197 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Absent-minded Masha got set of n cubes for her birthday.
At each of 6 faces of each cube, there is exactly one digit from 0 to 9. Masha became interested what is the largest natural x such she can make using her new cubes all integers from ... | instruction | 0 | 58,599 | 20 | 117,198 |
Tags: brute force, implementation
Correct Solution:
```
def check(s, a, used):
if len(used) == len(s):
return True
n = len(a)
index = len(used)
for i in range(n):
if i not in used and s[index] in a[i]:
result = check(s, a, used.union(set([i])))
if result:
... | output | 1 | 58,599 | 20 | 117,199 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Absent-minded Masha got set of n cubes for her birthday.
At each of 6 faces of each cube, there is exactly one digit from 0 to 9. Masha became interested what is the largest natural x such she can make using her new cubes all integers from ... | instruction | 0 | 58,603 | 20 | 117,206 |
Tags: brute force, implementation
Correct Solution:
```
n = int(input())
a = [list(map(int, input().split())) for _ in range(n)]
if n == 1:
avail = set(a[0])
elif n == 2:
avail = set(a[0] + a[1])
avail = avail.union({i * 10 + j for i in a[0] for j in a[1]})
avail = avail.union({i * 10 + j for i in a[1]... | output | 1 | 58,603 | 20 | 117,207 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Let's write all the positive integer numbers one after another from 1 without any delimiters (i.e. as a single string). It will be the infinite sequence starting with 123456789101112131415161718192021222324252627282930313233343536...
Your t... | instruction | 0 | 58,896 | 20 | 117,792 |
Tags: binary search, divide and conquer, implementation
Correct Solution:
```
n = int(input())
strt = 1
n -= 1
cnt = 9
while n > strt * cnt:
n -= cnt * strt
cnt *= 10
strt += 1
ans = (8 + 2) ** (strt - 1)
ans += n // strt
print(str(ans)[n % strt])
``` | output | 1 | 58,896 | 20 | 117,793 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Let's write all the positive integer numbers one after another from 1 without any delimiters (i.e. as a single string). It will be the infinite sequence starting with 123456789101112131415161718192021222324252627282930313233343536...
Your t... | instruction | 0 | 58,897 | 20 | 117,794 |
Tags: binary search, divide and conquer, implementation
Correct Solution:
```
k=int(input())
i=0
r=1
while(k>=r):
r+=9*(i+1)*10**i
i+=1
# print(i,r)
r=r-(9*i*10**(i-1))
# print(r)
ans=str(((k-r)//i)+10**(i-1))
# print/(ans)
ans=ans[(k-r)%i]
print(ans)
``` | output | 1 | 58,897 | 20 | 117,795 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Let's write all the positive integer numbers one after another from 1 without any delimiters (i.e. as a single string). It will be the infinite sequence starting with 123456789101112131415161718192021222324252627282930313233343536...
Your t... | instruction | 0 | 58,898 | 20 | 117,796 |
Tags: binary search, divide and conquer, implementation
Correct Solution:
```
k = int(input())
n = 1
up_bnd = 9
while(k > up_bnd):
n += 1
up_bnd += (9*n)*(10**(n-1))
low_bnd = 0
for i in range(1, n):
low_bnd += (9*i)*(10**(i-1))
num = int((k-low_bnd)/n)
lb_val = 0
for i in range(n-1):
lb_val = (lb_val*1... | output | 1 | 58,898 | 20 | 117,797 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Let's write all the positive integer numbers one after another from 1 without any delimiters (i.e. as a single string). It will be the infinite sequence starting with 123456789101112131415161718192021222324252627282930313233343536...
Your t... | instruction | 0 | 58,899 | 20 | 117,798 |
Tags: binary search, divide and conquer, implementation
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.buffe... | output | 1 | 58,899 | 20 | 117,799 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Let's write all the positive integer numbers one after another from 1 without any delimiters (i.e. as a single string). It will be the infinite sequence starting with 123456789101112131415161718192021222324252627282930313233343536...
Your t... | instruction | 0 | 58,900 | 20 | 117,800 |
Tags: binary search, divide and conquer, implementation
Correct Solution:
```
#Bhargey Mehta (Junior)
#DA-IICT, Gandhinagar
import sys, math, queue, bisect
#sys.stdin = open('input.txt', 'r')
MOD = 998244353
sys.setrecursionlimit(1000000)
n = int(input())
if n < 10:
print(n)
exit()
d = 1
while n > 9*d*pow(10, ... | output | 1 | 58,900 | 20 | 117,801 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Let's write all the positive integer numbers one after another from 1 without any delimiters (i.e. as a single string). It will be the infinite sequence starting with 123456789101112131415161718192021222324252627282930313233343536...
Your t... | instruction | 0 | 58,901 | 20 | 117,802 |
Tags: binary search, divide and conquer, implementation
Correct Solution:
```
k = int(input())
k_=k
ca = 9
di = 1
tem = 9
while k_>0:
k_-=ca*di
ca*=10
di+=1
tem += ca*di
if k_==0:
break
tem -= ca*di
ca=int(ca/10)
di-=1
tem -= ca*di
ca=int(ca/10)
ca_=0
while ca>0:
ca_+=ca
ca= int(ca/1... | output | 1 | 58,901 | 20 | 117,803 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Let's write all the positive integer numbers one after another from 1 without any delimiters (i.e. as a single string). It will be the infinite sequence starting with 123456789101112131415161718192021222324252627282930313233343536...
Your t... | instruction | 0 | 58,902 | 20 | 117,804 |
Tags: binary search, divide and conquer, implementation
Correct Solution:
```
N = int(input())
beg = 0
end = 9
i = 0 # Π² ΡΠΊΠΎΠ»ΡΠΊΠΈ Π·Π½Π°ΡΠ½ΡΡ
ΡΠΈΡΠ»Π°Ρ
ΠΌΡ Π½Π°Ρ
ΠΎΠ΄ΠΈΠΌΡΡ - 1
while N > end:
i += 1
beg, end = end, end + (i + 1) * 9 * 10**i
n = N - beg - 1 # ΡΡΠΎ N ΠΎΡΠ½ΠΎΡΠΈΡΠ΅Π»ΡΠ½ΠΎ Π½Π°ΡΠ°Π»Π° ΡΠΈΡΠ΅Π» Ρ Π΄Π»ΠΈΠ½Π½ΠΎΠΉ i, Π½Π°ΡΠΈΠ½Π°Ρ Ρ 0
lvl = i... | output | 1 | 58,902 | 20 | 117,805 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Let's write all the positive integer numbers one after another from 1 without any delimiters (i.e. as a single string). It will be the infinite sequence starting with 123456789101112131415161718192021222324252627282930313233343536...
Your t... | instruction | 0 | 58,903 | 20 | 117,806 |
Tags: binary search, divide and conquer, implementation
Correct Solution:
```
from collections import deque, defaultdict, Counter
from itertools import product, groupby, permutations, combinations
from math import gcd, floor, inf, log2, sqrt, log10
from bisect import bisect_right, bisect_left
from statistics import mod... | output | 1 | 58,903 | 20 | 117,807 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Let's write all the positive integer numbers one after another from 1 without any delimiters (i.e. as a single string). It will be the infinite sequence starting with 123456789101112131415161718... | instruction | 0 | 58,904 | 20 | 117,808 |
Yes | output | 1 | 58,904 | 20 | 117,809 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Let's write all the positive integer numbers one after another from 1 without any delimiters (i.e. as a single string). It will be the infinite sequence starting with 123456789101112131415161718... | instruction | 0 | 58,906 | 20 | 117,812 |
Yes | output | 1 | 58,906 | 20 | 117,813 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Let's write all the positive integer numbers one after another from 1 without any delimiters (i.e. as a single string). It will be the infinite sequence starting with 123456789101112131415161718... | instruction | 0 | 58,909 | 20 | 117,818 |
No | output | 1 | 58,909 | 20 | 117,819 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Let's write all the positive integer numbers one after another from 1 without any delimiters (i.e. as a single string). It will be the infinite sequence starting with 123456789101112131415161718... | instruction | 0 | 58,911 | 20 | 117,822 |
No | output | 1 | 58,911 | 20 | 117,823 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Consider the infinite sequence of integers: 1, 1, 2, 1, 2, 3, 1, 2, 3, 4, 1, 2, 3, 4, 5.... The sequence is built in the following way: at first the number 1 is written out, then the numbers from 1 to 2, then the numbers from 1 to 3, then th... | instruction | 0 | 59,282 | 20 | 118,564 |
Tags: implementation, math
Correct Solution:
```
def checker(n, m):
return n - (m * (m + 1) / 2)
n = int(input())
if n == 1:
print(1)
exit(0)
l, r = 0, n + 1
while r - l > 1:
m = (l + r) // 2
if checker(n, m) >= 0:
l = m
else:
r = m
#print(l, r)
if checker(n, l) == 0:
print(l... | output | 1 | 59,282 | 20 | 118,565 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Consider the infinite sequence of integers: 1, 1, 2, 1, 2, 3, 1, 2, 3, 4, 1, 2, 3, 4, 5.... The sequence is built in the following way: at first the number 1 is written out, then the numbers from 1 to 2, then the numbers from 1 to 3, then th... | instruction | 0 | 59,283 | 20 | 118,566 |
Tags: implementation, math
Correct Solution:
```
import math
n = int(input())
# 1 positions
# 0 1 3 6 10 15 21 28
# 1 2 3 4 5 6 7
# n = (block*(block+1))/2
block = (1/2)*(math.sqrt(8*n-1)-1)
block = math.floor(block)
print(n - (block*(block+1))//2)
``` | output | 1 | 59,283 | 20 | 118,567 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Consider the infinite sequence of integers: 1, 1, 2, 1, 2, 3, 1, 2, 3, 4, 1, 2, 3, 4, 5.... The sequence is built in the following way: at first the number 1 is written out, then the numbers from 1 to 2, then the numbers from 1 to 3, then th... | instruction | 0 | 59,284 | 20 | 118,568 |
Tags: implementation, math
Correct Solution:
```
import math
n = int(input())
e = (-1 + int(math.sqrt(1+8*n)))//2
z = e*(e+1)//2
r = n - z
if(r==0):
print(e)
else:
print(r)
``` | output | 1 | 59,284 | 20 | 118,569 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Consider the infinite sequence of integers: 1, 1, 2, 1, 2, 3, 1, 2, 3, 4, 1, 2, 3, 4, 5.... The sequence is built in the following way: at first the number 1 is written out, then the numbers from 1 to 2, then the numbers from 1 to 3, then th... | instruction | 0 | 59,285 | 20 | 118,570 |
Tags: implementation, math
Correct Solution:
```
n=int(input())
low=1
high=n
p=0
while low<=high:
mid=(low+high)//2
s=(mid+1)*mid//2
if s>=n and mid*(mid-1)//2<n:
p=mid
break
if s<n:
low=mid+1
else:
high=mid-1
n-=p*(p-1)//2
print(n)
``` | output | 1 | 59,285 | 20 | 118,571 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Consider the infinite sequence of integers: 1, 1, 2, 1, 2, 3, 1, 2, 3, 4, 1, 2, 3, 4, 5.... The sequence is built in the following way: at first the number 1 is written out, then the numbers from 1 to 2, then the numbers from 1 to 3, then th... | instruction | 0 | 59,286 | 20 | 118,572 |
Tags: implementation, math
Correct Solution:
```
#!/usr/bin/env python3
def main(args):
n = int(input())
current = 1
prev = 0
while n > current + prev:
prev += current
current += 1
print(n-prev)
if __name__ == '__main__':
import sys
sys.exit(main(sys.argv))
``` | output | 1 | 59,286 | 20 | 118,573 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Consider the infinite sequence of integers: 1, 1, 2, 1, 2, 3, 1, 2, 3, 4, 1, 2, 3, 4, 5.... The sequence is built in the following way: at first the number 1 is written out, then the numbers from 1 to 2, then the numbers from 1 to 3, then th... | instruction | 0 | 59,287 | 20 | 118,574 |
Tags: implementation, math
Correct Solution:
```
a=int(input())
b=int((2*a)**.5)
c=a-(b**2+b)//2
if c==0:print(b)
else:print(c%b)
``` | output | 1 | 59,287 | 20 | 118,575 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Consider the infinite sequence of integers: 1, 1, 2, 1, 2, 3, 1, 2, 3, 4, 1, 2, 3, 4, 5.... The sequence is built in the following way: at first the number 1 is written out, then the numbers from 1 to 2, then the numbers from 1 to 3, then th... | instruction | 0 | 59,288 | 20 | 118,576 |
Tags: implementation, math
Correct Solution:
```
n = int(input())
a, b = 0, 10**14
while a < b:
c = (a + b + 1) // 2
if c * (c + 1) // 2 >= n:
b = c - 1
else:
a = c
print(n - (a * (a + 1) // 2))
``` | output | 1 | 59,288 | 20 | 118,577 |
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