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 |
|---|---|---|---|---|---|
Provide tags and a correct Python 3 solution for this coding contest problem.
Many people are aware of DMCA – Digital Millennium Copyright Act. But another recently proposed DMCA – Digital Millennium Calculation Act – is much less known.
In this problem you need to find a root of a number according to this new DMCA l... | instruction | 0 | 70,083 | 20 | 140,166 |
Tags: *special, implementation, number theory
Correct Solution:
```
import os,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.writable = "x" in file.mode or "r" not in file.mode;self.writ... | output | 1 | 70,083 | 20 | 140,167 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Many people are aware of DMCA – Digital Millennium Copyright Act. But another recently proposed DMCA – Digital Millennium Calculation Act – is much less known.
In this problem you need to find ... | instruction | 0 | 70,084 | 20 | 140,168 |
Yes | output | 1 | 70,084 | 20 | 140,169 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Many people are aware of DMCA – Digital Millennium Copyright Act. But another recently proposed DMCA – Digital Millennium Calculation Act – is much less known.
In this problem you need to find ... | instruction | 0 | 70,085 | 20 | 140,170 |
Yes | output | 1 | 70,085 | 20 | 140,171 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Many people are aware of DMCA – Digital Millennium Copyright Act. But another recently proposed DMCA – Digital Millennium Calculation Act – is much less known.
In this problem you need to find ... | instruction | 0 | 70,086 | 20 | 140,172 |
Yes | output | 1 | 70,086 | 20 | 140,173 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Many people are aware of DMCA – Digital Millennium Copyright Act. But another recently proposed DMCA – Digital Millennium Calculation Act – is much less known.
In this problem you need to find ... | instruction | 0 | 70,087 | 20 | 140,174 |
Yes | output | 1 | 70,087 | 20 | 140,175 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Many people are aware of DMCA – Digital Millennium Copyright Act. But another recently proposed DMCA – Digital Millennium Calculation Act – is much less known.
In this problem you need to find ... | instruction | 0 | 70,088 | 20 | 140,176 |
No | output | 1 | 70,088 | 20 | 140,177 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Many people are aware of DMCA – Digital Millennium Copyright Act. But another recently proposed DMCA – Digital Millennium Calculation Act – is much less known.
In this problem you need to find ... | instruction | 0 | 70,089 | 20 | 140,178 |
No | output | 1 | 70,089 | 20 | 140,179 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Many people are aware of DMCA – Digital Millennium Copyright Act. But another recently proposed DMCA – Digital Millennium Calculation Act – is much less known.
In this problem you need to find ... | instruction | 0 | 70,090 | 20 | 140,180 |
No | output | 1 | 70,090 | 20 | 140,181 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Many people are aware of DMCA – Digital Millennium Copyright Act. But another recently proposed DMCA – Digital Millennium Calculation Act – is much less known.
In this problem you need to find ... | instruction | 0 | 70,091 | 20 | 140,182 |
No | output | 1 | 70,091 | 20 | 140,183 |
Provide tags and a correct Python 3 solution for this coding contest problem.
An IPv6-address is a 128-bit number. For convenience, this number is recorded in blocks of 16 bits in hexadecimal record, the blocks are separated by colons — 8 blocks in total, each block has four hexadecimal digits. Here is an example of t... | instruction | 0 | 70,115 | 20 | 140,230 |
Tags: implementation, strings
Correct Solution:
```
count=input()
#count=5
for i in range(int(count)):
n=input()
#n='::a:6:c50:83:4f:7f0d:9'
ip=n.split(':')
#print(ip)
begin=0
end=0
if (ip[0]=='' and ip[1]=='' and len(ip)>8):
begin=1
if (ip[len(ip)-2]=='' and ip[len(ip)-1]=='' a... | output | 1 | 70,115 | 20 | 140,231 |
Provide tags and a correct Python 3 solution for this coding contest problem.
An IPv6-address is a 128-bit number. For convenience, this number is recorded in blocks of 16 bits in hexadecimal record, the blocks are separated by colons — 8 blocks in total, each block has four hexadecimal digits. Here is an example of t... | instruction | 0 | 70,116 | 20 | 140,232 |
Tags: implementation, strings
Correct Solution:
```
class CodeforcesTask250BSolution:
def __init__(self):
self.result = ''
self.n = 0
self.shorts = []
def read_input(self):
self.n = int(input())
for x in range(self.n):
self.shorts.append(input())
def pro... | output | 1 | 70,116 | 20 | 140,233 |
Provide tags and a correct Python 3 solution for this coding contest problem.
An IPv6-address is a 128-bit number. For convenience, this number is recorded in blocks of 16 bits in hexadecimal record, the blocks are separated by colons — 8 blocks in total, each block has four hexadecimal digits. Here is an example of t... | instruction | 0 | 70,117 | 20 | 140,234 |
Tags: implementation, strings
Correct Solution:
```
def zr(s):
tmp=':0000'
if s=='::':
return tmp[1:]+7*tmp
ind=s.find("::")
if ind<0:
return s
h,k=1,0
if ind==0 or ind==len(s)-2:
if ind>0:
h=2
else:
k=1
ddc=9-s.count(":")
else:
ddc=8-s.count(':')
return (s[:ind]+ddc*tmp+s[ind+h:])[k:]
def t4... | output | 1 | 70,117 | 20 | 140,235 |
Provide tags and a correct Python 3 solution for this coding contest problem.
An IPv6-address is a 128-bit number. For convenience, this number is recorded in blocks of 16 bits in hexadecimal record, the blocks are separated by colons — 8 blocks in total, each block has four hexadecimal digits. Here is an example of t... | instruction | 0 | 70,118 | 20 | 140,236 |
Tags: implementation, strings
Correct Solution:
```
zero=str("0000")
for _ in range(int(input())):
m=0
k=input()
s=list(map(str,k.split(':')))
if k[len(k)-1]==':':
s.pop(len(s)-1)
if k[0]==':':
s.pop(0)
for i in range(len(s)):
if len(s[i])!=4 and s[i]!='':
s[... | output | 1 | 70,118 | 20 | 140,237 |
Provide tags and a correct Python 3 solution for this coding contest problem.
An IPv6-address is a 128-bit number. For convenience, this number is recorded in blocks of 16 bits in hexadecimal record, the blocks are separated by colons — 8 blocks in total, each block has four hexadecimal digits. Here is an example of t... | instruction | 0 | 70,119 | 20 | 140,238 |
Tags: implementation, strings
Correct Solution:
```
n = int(input())
for i in range(n):
s = input().split(":")
if(s[0] == ''): s.pop(0);
if(s[-1] == ''): s.pop(-1);
#print(s)
rq = 8 - len(s) + 1;
t = [];
for x in s:
if(x == ''):
for j in range(rq): t+=['0000']
els... | output | 1 | 70,119 | 20 | 140,239 |
Provide tags and a correct Python 3 solution for this coding contest problem.
An IPv6-address is a 128-bit number. For convenience, this number is recorded in blocks of 16 bits in hexadecimal record, the blocks are separated by colons — 8 blocks in total, each block has four hexadecimal digits. Here is an example of t... | instruction | 0 | 70,120 | 20 | 140,240 |
Tags: implementation, strings
Correct Solution:
```
# from dust i have come, dust i will be
def solve(ip):
ch = ip.split(':')
n = len(ch)
if ch[n - 1] == '' and n - 2 >= 0 and ch[n - 2] == '':
ch.pop(n - 1)
if ch[0] == '' and n > 1 and ch[1] == '':
ch.pop(0)
extra = 8 - len(... | output | 1 | 70,120 | 20 | 140,241 |
Provide tags and a correct Python 3 solution for this coding contest problem.
An IPv6-address is a 128-bit number. For convenience, this number is recorded in blocks of 16 bits in hexadecimal record, the blocks are separated by colons — 8 blocks in total, each block has four hexadecimal digits. Here is an example of t... | instruction | 0 | 70,121 | 20 | 140,242 |
Tags: implementation, strings
Correct Solution:
```
for _ in range(int(input())):
D = input()
print(':'.join(d.zfill(4) for d in D.replace('::', ':'*(9-D.count(':')))
.split(':')))
``` | output | 1 | 70,121 | 20 | 140,243 |
Provide tags and a correct Python 3 solution for this coding contest problem.
An IPv6-address is a 128-bit number. For convenience, this number is recorded in blocks of 16 bits in hexadecimal record, the blocks are separated by colons — 8 blocks in total, each block has four hexadecimal digits. Here is an example of t... | instruction | 0 | 70,122 | 20 | 140,244 |
Tags: implementation, strings
Correct Solution:
```
n = int(input())
list=[]
for i in range(n):
str=input()
list=str.split(":")
if(str.count("::")>0):
t=list.count("")
if(t==3):
t="0000:"*8
print(t[:len(t)-1])
elif t==2:
if str[0:2]=='::':
... | output | 1 | 70,122 | 20 | 140,245 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
An IPv6-address is a 128-bit number. For convenience, this number is recorded in blocks of 16 bits in hexadecimal record, the blocks are separated by colons — 8 blocks in total, each block has f... | instruction | 0 | 70,123 | 20 | 140,246 |
Yes | output | 1 | 70,123 | 20 | 140,247 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
An IPv6-address is a 128-bit number. For convenience, this number is recorded in blocks of 16 bits in hexadecimal record, the blocks are separated by colons — 8 blocks in total, each block has f... | instruction | 0 | 70,124 | 20 | 140,248 |
Yes | output | 1 | 70,124 | 20 | 140,249 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
An IPv6-address is a 128-bit number. For convenience, this number is recorded in blocks of 16 bits in hexadecimal record, the blocks are separated by colons — 8 blocks in total, each block has f... | instruction | 0 | 70,125 | 20 | 140,250 |
Yes | output | 1 | 70,125 | 20 | 140,251 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
An IPv6-address is a 128-bit number. For convenience, this number is recorded in blocks of 16 bits in hexadecimal record, the blocks are separated by colons — 8 blocks in total, each block has f... | instruction | 0 | 70,126 | 20 | 140,252 |
Yes | output | 1 | 70,126 | 20 | 140,253 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
An IPv6-address is a 128-bit number. For convenience, this number is recorded in blocks of 16 bits in hexadecimal record, the blocks are separated by colons — 8 blocks in total, each block has f... | instruction | 0 | 70,127 | 20 | 140,254 |
No | output | 1 | 70,127 | 20 | 140,255 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
An IPv6-address is a 128-bit number. For convenience, this number is recorded in blocks of 16 bits in hexadecimal record, the blocks are separated by colons — 8 blocks in total, each block has f... | instruction | 0 | 70,128 | 20 | 140,256 |
No | output | 1 | 70,128 | 20 | 140,257 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
An IPv6-address is a 128-bit number. For convenience, this number is recorded in blocks of 16 bits in hexadecimal record, the blocks are separated by colons — 8 blocks in total, each block has f... | instruction | 0 | 70,129 | 20 | 140,258 |
No | output | 1 | 70,129 | 20 | 140,259 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
An IPv6-address is a 128-bit number. For convenience, this number is recorded in blocks of 16 bits in hexadecimal record, the blocks are separated by colons — 8 blocks in total, each block has f... | instruction | 0 | 70,130 | 20 | 140,260 |
No | output | 1 | 70,130 | 20 | 140,261 |
Provide a correct Python 3 solution for this coding contest problem.
Given is a string S. Each character in S is either a digit (`0`, ..., `9`) or `?`.
Among the integers obtained by replacing each occurrence of `?` with a digit, how many have a remainder of 5 when divided by 13? An integer may begin with 0.
Since t... | instruction | 0 | 70,539 | 20 | 141,078 |
"Correct Solution:
```
M=10**9+7
s=input()
r=range
dp=[[0]*13,[0]*13]
dp[0][0]=1
t=0
for c in s:
for i in r(13):
if c=='?':
for j in r(10):
dp[t^1][(i*10+j)%13]+=dp[t][i]
else:
dp[t^1][(i*10+int(c))%13]+=dp[t][i]
dp[t]=[0]*13
t^=1
for i in r(13): dp[t][i]%=M
print(dp[len(s)%2][5])
``... | output | 1 | 70,539 | 20 | 141,079 |
Provide a correct Python 3 solution for this coding contest problem.
Given is a string S. Each character in S is either a digit (`0`, ..., `9`) or `?`.
Among the integers obtained by replacing each occurrence of `?` with a digit, how many have a remainder of 5 when divided by 13? An integer may begin with 0.
Since t... | instruction | 0 | 70,540 | 20 | 141,080 |
"Correct Solution:
```
S=input()
l=len(S)
dp=[0 for i in range(13)]
mod=10**9+7
if S[0]=='?':
for i in range(10):
dp[i]=1
else:
dp[int(S[0])]=1
for i in range(1,l):
count=[0 for i in range(13)]
if S[i]=='?':
for j in range(13):
for k in range(10):
count[(10*j+k)%13]+=dp[j]%mod
else... | output | 1 | 70,540 | 20 | 141,081 |
Provide a correct Python 3 solution for this coding contest problem.
Given is a string S. Each character in S is either a digit (`0`, ..., `9`) or `?`.
Among the integers obtained by replacing each occurrence of `?` with a digit, how many have a remainder of 5 when divided by 13? An integer may begin with 0.
Since t... | instruction | 0 | 70,542 | 20 | 141,084 |
"Correct Solution:
```
S=input()
a=[0]*13
a[0]= 1
for c in S:
dp=[0]*13
for i in range(13):
dp[(i*10)%13]=a[i]%(10**9+7)
dp+=dp
if c=='?':
for i in range(13):
a[i]=sum(dp[i+4:i+14])
else:
for i in range(13):
a[i]=dp[i+13-int(c)]
print(a[5]%(10**9+7))
``` | output | 1 | 70,542 | 20 | 141,085 |
Provide a correct Python 3 solution for this coding contest problem.
Given is a string S. Each character in S is either a digit (`0`, ..., `9`) or `?`.
Among the integers obtained by replacing each occurrence of `?` with a digit, how many have a remainder of 5 when divided by 13? An integer may begin with 0.
Since t... | instruction | 0 | 70,545 | 20 | 141,090 |
"Correct Solution:
```
mod=10**9+7
s=input()
s=s[::-1]
dp=[[0]*13 for _ in range(len(s)+1)]
dp[0][0]=1
for i in range(len(s)):
p=pow(10,i,13)
if s[i]=="?":
for k in range(13):
for j in range(10):
dp[i+1][(k+p*j)%13]+=dp[i][k]
dp[i+1][(k+p*j)%13]%=mod
else:
for k in range(13):
dp[i+1][(k+p*int(s[i]... | output | 1 | 70,545 | 20 | 141,091 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Given is a string S. Each character in S is either a digit (`0`, ..., `9`) or `?`.
Among the integers obtained by replacing each occurrence of `?` with a digit, how many have a remainder of 5 w... | instruction | 0 | 70,551 | 20 | 141,102 |
No | output | 1 | 70,551 | 20 | 141,103 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Petya studies in a school and he adores Maths. His class has been studying arithmetic expressions. On the last class the teacher wrote three positive integers a, b, c on the blackboard. The task was to insert signs of operations '+' and '*',... | instruction | 0 | 71,135 | 20 | 142,270 |
Tags: brute force, math
Correct Solution:
```
a=int(input())
b=int(input())
c=int(input())
max=0
if a+b+c>max:
max=a+b+c
if a+b*c>max:
max=a+b*c
if a*b+c>max:
max=a*b+c
if (a+b)*c>max:
max=(a+b)*c
if a*(b+c)>max:
max=a*(b+c)
if a*b*c>max:
max=a*b*c
print(max)
``` | output | 1 | 71,135 | 20 | 142,271 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Petya studies in a school and he adores Maths. His class has been studying arithmetic expressions. On the last class the teacher wrote three positive integers a, b, c on the blackboard. The task was to insert signs of operations '+' and '*',... | instruction | 0 | 71,136 | 20 | 142,272 |
Tags: brute force, math
Correct Solution:
```
a = int(input())
b = int(input())
c = int(input())
X=[0]*6
X[0] = a+b+c
X[1] = a+b*c
X[2] = (a+b)*c
X[3] = a*b+c
X[4] = a*(b+c)
X[5] = a*b*c
print(max(X))
``` | output | 1 | 71,136 | 20 | 142,273 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Petya studies in a school and he adores Maths. His class has been studying arithmetic expressions. On the last class the teacher wrote three positive integers a, b, c on the blackboard. The task was to insert signs of operations '+' and '*',... | instruction | 0 | 71,137 | 20 | 142,274 |
Tags: brute force, math
Correct Solution:
```
# coding: utf-8
a, b, c = [int(input()) for i in range(3)]
print(max(a + b + c, a * b * c, (a + b) * c, a * (b + c), a + (b * c), (a * b) + c))
``` | output | 1 | 71,137 | 20 | 142,275 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Petya studies in a school and he adores Maths. His class has been studying arithmetic expressions. On the last class the teacher wrote three positive integers a, b, c on the blackboard. The task was to insert signs of operations '+' and '*',... | instruction | 0 | 71,138 | 20 | 142,276 |
Tags: brute force, math
Correct Solution:
```
a = int(input())
b = int(input())
c = int(input())
if a == 1:
if c == 1:
print(a+b+c)
else:
print((a+b)*c)
elif b == 1:
print(max((a+1)*c, a*(c+1)))
elif c == 1:
print(a*(b+1))
else:
print(a*b*c)
``` | output | 1 | 71,138 | 20 | 142,277 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Petya studies in a school and he adores Maths. His class has been studying arithmetic expressions. On the last class the teacher wrote three positive integers a, b, c on the blackboard. The task was to insert signs of operations '+' and '*',... | instruction | 0 | 71,139 | 20 | 142,278 |
Tags: brute force, math
Correct Solution:
```
from builtins import int
a = int(input())
b = int(input())
c = int(input())
value1 = a + b + c
value2 = a + b * c
value3 = a * b + c
value4 = (a + b) * c
value5 = a * (b + c)
value6 = a * b * c
print(max(value1, value2, value3, value4, value5, value6))
``` | output | 1 | 71,139 | 20 | 142,279 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Petya studies in a school and he adores Maths. His class has been studying arithmetic expressions. On the last class the teacher wrote three positive integers a, b, c on the blackboard. The task was to insert signs of operations '+' and '*',... | instruction | 0 | 71,140 | 20 | 142,280 |
Tags: brute force, math
Correct Solution:
```
def f(l):
a,b,c = l
return max(a+b+c,a*b*c,a*(b+c),(a+b)*c)
l = [int(input()) for _ in range(3)]
print(f(l))
``` | output | 1 | 71,140 | 20 | 142,281 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Petya studies in a school and he adores Maths. His class has been studying arithmetic expressions. On the last class the teacher wrote three positive integers a, b, c on the blackboard. The task was to insert signs of operations '+' and '*',... | instruction | 0 | 71,141 | 20 | 142,282 |
Tags: brute force, math
Correct Solution:
```
a, b, c = int(input()), int(input()), int(input())
plus = a + b + c
multiply = a * b * c
plus_m = a + (b * c)
mult_p = a * (b + c)
plus_m_2 = (a + b)*c
print(max(plus, multiply, plus_m, plus_m_2, mult_p))
``` | output | 1 | 71,141 | 20 | 142,283 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Petya studies in a school and he adores Maths. His class has been studying arithmetic expressions. On the last class the teacher wrote three positive integers a, b, c on the blackboard. The task was to insert signs of operations '+' and '*',... | instruction | 0 | 71,142 | 20 | 142,284 |
Tags: brute force, math
Correct Solution:
```
a = int(input())
b = int(input())
c = int(input())
_ = 0
if _ < a * b * c:
_ = a * b * c
if _ < a + b + c:
_ = a + b + c
if _ < (a + b) * c:
_ = (a + b) * c
if _ < a * (b + c):
_ = a * (b + c)
if _ < a * b + c:
_ = a * b + c
if _ < a + b * c:
_ = a ... | output | 1 | 71,142 | 20 | 142,285 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Vanya got an important task — he should enumerate books in the library and label each book with its number. Each of the n books should be assigned with a number from 1 to n. Naturally, distinct books should be assigned distinct numbers.
Van... | instruction | 0 | 71,169 | 20 | 142,338 |
Tags: implementation, math
Correct Solution:
```
n = int(input())
if n==1:
print(1)
else:
d = 0
temp = 10
c = 1
nos = 9
while (temp<n):
d = d+nos*c
temp*=10
c+=1
nos*=10
temp = temp//10
t = n-temp+1
d = d + t*(len(str(temp)))
if (str(n).count('0')==len(str(n))-1) and (str(n).count('1')==1):
d+=1
... | output | 1 | 71,169 | 20 | 142,339 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Vanya got an important task — he should enumerate books in the library and label each book with its number. Each of the n books should be assigned with a number from 1 to n. Naturally, distinct books should be assigned distinct numbers.
Van... | instruction | 0 | 71,170 | 20 | 142,340 |
Tags: implementation, math
Correct Solution:
```
n=str(input())
a=len(n)
s=0
k='9'
if int(n)<=9:
print(n)
else:
s+=9
for i in range(2, a):
s+=(int(i*k)-10**(i-1)+1)*i
s+=(int(n)-10**(a-1)+1)*a
print(s)
``` | output | 1 | 71,170 | 20 | 142,341 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Vanya got an important task — he should enumerate books in the library and label each book with its number. Each of the n books should be assigned with a number from 1 to n. Naturally, distinct books should be assigned distinct numbers.
Van... | instruction | 0 | 71,171 | 20 | 142,342 |
Tags: implementation, math
Correct Solution:
```
n=input()
l=len(n)-1
#print(l)
s=0
for i in range(l,-1,-1):
s=s+10**i
#print(s)
print(((int(n)+1)*int(len(n)))-s)
``` | output | 1 | 71,171 | 20 | 142,343 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Vanya got an important task — he should enumerate books in the library and label each book with its number. Each of the n books should be assigned with a number from 1 to n. Naturally, distinct books should be assigned distinct numbers.
Van... | instruction | 0 | 71,172 | 20 | 142,344 |
Tags: implementation, math
Correct Solution:
```
n = int(input())
s = 0
st = 9
mul = 1
while n > 0:
if n >= st:
s += st * mul
n -= st
st *= 10
mul += 1
else:
s += mul * n
n = 0
print(s)
``` | output | 1 | 71,172 | 20 | 142,345 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Vanya got an important task — he should enumerate books in the library and label each book with its number. Each of the n books should be assigned with a number from 1 to n. Naturally, distinct books should be assigned distinct numbers.
Van... | instruction | 0 | 71,173 | 20 | 142,346 |
Tags: implementation, math
Correct Solution:
```
n = int(input())
if n < 10 :
X = n+1- 1
elif n < 100:
X = 2*(n+1) - 11
elif n < 1000:
X = 3*(n+1)- 111
elif n < 10000:
X = 4*(n+1) - 1111
elif n < 100000:
X =5*(n+1)- 11111
elif n < 1000000:
X =6*(n+1) - 111111
elif n < 10000000:
X = 7*(n+1... | output | 1 | 71,173 | 20 | 142,347 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Vanya got an important task — he should enumerate books in the library and label each book with its number. Each of the n books should be assigned with a number from 1 to n. Naturally, distinct books should be assigned distinct numbers.
Van... | instruction | 0 | 71,174 | 20 | 142,348 |
Tags: implementation, math
Correct Solution:
```
#maximum
n =input()
l =len(n)
n = int(n)
def dekh(x):
# if(x ==0 ):
# return 0
if(x == 1):
return 0
x1 =0
for i in range(1,x):
x1 = x1 + 9*i*(10**(i-1))
return x1
ans = dekh(l)
ans = ans + (n - 10**(l-1) + 1)*l
print(ans)
``` | output | 1 | 71,174 | 20 | 142,349 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Vanya got an important task — he should enumerate books in the library and label each book with its number. Each of the n books should be assigned with a number from 1 to n. Naturally, distinct books should be assigned distinct numbers.
Van... | instruction | 0 | 71,175 | 20 | 142,350 |
Tags: implementation, math
Correct Solution:
```
num = int(input())
label = 0
while num > 9:
dig = len(str(num))
label = label + dig * (num - (10 ** (dig - 1)) + 1)
num = (10 ** (dig - 1)) - 1
label = label + num
print(label)
``` | output | 1 | 71,175 | 20 | 142,351 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Vanya got an important task — he should enumerate books in the library and label each book with its number. Each of the n books should be assigned with a number from 1 to n. Naturally, distinct books should be assigned distinct numbers.
Van... | instruction | 0 | 71,176 | 20 | 142,352 |
Tags: implementation, math
Correct Solution:
```
# In this template you are not required to write code in main
import sys
inf = float("inf")
#from collections import deque, Counter, OrderedDict,defaultdict
#from heapq import nsmallest, nlargest, heapify,heappop ,heappush, heapreplace
from math import ceil,floor,lo... | output | 1 | 71,176 | 20 | 142,353 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Vanya got an important task — he should enumerate books in the library and label each book with its number. Each of the n books should be assigned with a number from 1 to n. Naturally, distinct ... | instruction | 0 | 71,177 | 20 | 142,354 |
Yes | output | 1 | 71,177 | 20 | 142,355 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Vanya got an important task — he should enumerate books in the library and label each book with its number. Each of the n books should be assigned with a number from 1 to n. Naturally, distinct ... | instruction | 0 | 71,178 | 20 | 142,356 |
Yes | output | 1 | 71,178 | 20 | 142,357 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Vanya got an important task — he should enumerate books in the library and label each book with its number. Each of the n books should be assigned with a number from 1 to n. Naturally, distinct ... | instruction | 0 | 71,179 | 20 | 142,358 |
Yes | output | 1 | 71,179 | 20 | 142,359 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Vanya got an important task — he should enumerate books in the library and label each book with its number. Each of the n books should be assigned with a number from 1 to n. Naturally, distinct ... | instruction | 0 | 71,180 | 20 | 142,360 |
Yes | output | 1 | 71,180 | 20 | 142,361 |
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