submission_id string | problem_id string | status string | code string | input string | output string | problem_description string |
|---|---|---|---|---|---|---|
s969357122 | p00009 | Runtime Error | import sys
??
ary=[]
for i in sys.stdin:
????????ary.append(int(i))
m = max(ary)
prime=[1] * (m + 1)
prime[0] = prime[1] = 0
for i in range(2, int(m ** 0.5) + 1):
????????if prime[i] == 1:
????????????????for j in range(i*2, m + 1, i):
????????????????????????prime[j] = 0
for i in range(len(ary)):
????????print(sum(prime[:ary[i] + 1])) | 10
3
11
| 4
2
5
|
<H1>Prime Number</H1>
<p>
Write a program which reads an integer <var>n</var> and prints the number of prime numbers which are less than or equal to <var>n</var>. A prime number is a natural number which has exactly two distinct natural number divisors: 1 and itself. For example, the first four prime numbers are: 2, 3, 5 and 7.
</p>
<H2>Input</H2>
<p>
Input consists of several datasets. Each dataset has an integer <var>n</var> (1 ≤ <var>n</var> ≤ 999,999) in a line.
</p>
<p>
The number of datasets is less than or equal to 30.
</p>
<H2>Output</H2>
<p>
For each dataset, prints the number of prime numbers.
</p>
<H2>Sample Input</H2>
<pre>
10
3
11
</pre>
<H2>Output for the Sample Input</H2>
<pre>
4
2
5
</pre>
|
s851930830 | p00009 | Runtime Error | def isprime(num):
if num==1:return False
if num==2:return True
for i in range(int(num/2)):
if num%(i+2)==0:
return False
else:continue
return True
def ct(num):
count=0
for i in range(num):
if isprime(i+1):count+=1
return count
def yak(num):
if isprime(num):return [1,num]
if num==1: return[1]
for i in range(int(num/2)):
if num%(i+2)==0:
ret=yak(i+2)+yak(num/(i+2))
ret.remove(1)
return sorted([int(i) for i in ret])
while True:
try:raw=[float(i) for i in input().split(" ")]
except:break
a=raw[0]
print(str(ct(a))) | 10
3
11
| 4
2
5
|
<H1>Prime Number</H1>
<p>
Write a program which reads an integer <var>n</var> and prints the number of prime numbers which are less than or equal to <var>n</var>. A prime number is a natural number which has exactly two distinct natural number divisors: 1 and itself. For example, the first four prime numbers are: 2, 3, 5 and 7.
</p>
<H2>Input</H2>
<p>
Input consists of several datasets. Each dataset has an integer <var>n</var> (1 ≤ <var>n</var> ≤ 999,999) in a line.
</p>
<p>
The number of datasets is less than or equal to 30.
</p>
<H2>Output</H2>
<p>
For each dataset, prints the number of prime numbers.
</p>
<H2>Sample Input</H2>
<pre>
10
3
11
</pre>
<H2>Output for the Sample Input</H2>
<pre>
4
2
5
</pre>
|
s053836402 | p00009 | Runtime Error | # -*- coding: utf-8 -*-
import sys
def prime(n):
s = [i for i in range(2,n+1)]
p = []
while s[0] < n**0.5:
p.append(s[0])
for ss in s:
if ss % p[-1] == 0:
s.remove(ss)
p.extend(s)
return p
def main():
inp = [int(n) for n in sys.stdin]
for n in inp:
n_pn = len(prime(n))
print(n_pn)
if __name__ == '__main__':
main() | 10
3
11
| 4
2
5
|
<H1>Prime Number</H1>
<p>
Write a program which reads an integer <var>n</var> and prints the number of prime numbers which are less than or equal to <var>n</var>. A prime number is a natural number which has exactly two distinct natural number divisors: 1 and itself. For example, the first four prime numbers are: 2, 3, 5 and 7.
</p>
<H2>Input</H2>
<p>
Input consists of several datasets. Each dataset has an integer <var>n</var> (1 ≤ <var>n</var> ≤ 999,999) in a line.
</p>
<p>
The number of datasets is less than or equal to 30.
</p>
<H2>Output</H2>
<p>
For each dataset, prints the number of prime numbers.
</p>
<H2>Sample Input</H2>
<pre>
10
3
11
</pre>
<H2>Output for the Sample Input</H2>
<pre>
4
2
5
</pre>
|
s532827913 | p00009 | Runtime Error | # -*- coding: utf-8 -*-
import sys
def prime(n):
s = [i for i in range(2,n+1)]
p = []
while s[0] < n**0.5:
p.append(s[0])
for ss in s:
if ss % p[-1] == 0:
s.remove(ss)
p.extend(s)
return p
def main():
inp = [int(n) for n in sys.stdin]
for n in inp:
n_pn = len(prime(n))
print n_pn
if __name__ == '__main__':
main() | 10
3
11
| 4
2
5
|
<H1>Prime Number</H1>
<p>
Write a program which reads an integer <var>n</var> and prints the number of prime numbers which are less than or equal to <var>n</var>. A prime number is a natural number which has exactly two distinct natural number divisors: 1 and itself. For example, the first four prime numbers are: 2, 3, 5 and 7.
</p>
<H2>Input</H2>
<p>
Input consists of several datasets. Each dataset has an integer <var>n</var> (1 ≤ <var>n</var> ≤ 999,999) in a line.
</p>
<p>
The number of datasets is less than or equal to 30.
</p>
<H2>Output</H2>
<p>
For each dataset, prints the number of prime numbers.
</p>
<H2>Sample Input</H2>
<pre>
10
3
11
</pre>
<H2>Output for the Sample Input</H2>
<pre>
4
2
5
</pre>
|
s983434059 | p00009 | Runtime Error | import numpy as np
def PI(n):
N_MAX = int(np.sqrt(n+1))
is_prime = np.ones((n+1,),dtype=bool)
is_prime[:2] = 0
for i in range(2,N_MAX+1):
is_prime[2*i::i] = 0
return sum(is_prime)
def main():
print(PI(int(input())))
if __name__ == "__main__":
main() | 10
3
11
| 4
2
5
|
<H1>Prime Number</H1>
<p>
Write a program which reads an integer <var>n</var> and prints the number of prime numbers which are less than or equal to <var>n</var>. A prime number is a natural number which has exactly two distinct natural number divisors: 1 and itself. For example, the first four prime numbers are: 2, 3, 5 and 7.
</p>
<H2>Input</H2>
<p>
Input consists of several datasets. Each dataset has an integer <var>n</var> (1 ≤ <var>n</var> ≤ 999,999) in a line.
</p>
<p>
The number of datasets is less than or equal to 30.
</p>
<H2>Output</H2>
<p>
For each dataset, prints the number of prime numbers.
</p>
<H2>Sample Input</H2>
<pre>
10
3
11
</pre>
<H2>Output for the Sample Input</H2>
<pre>
4
2
5
</pre>
|
s435700388 | p00009 | Runtime Error | import sys
values = []
for line in sys.stdin:
if 1000000 > int(line):
values.append(line)
for val in values:
prime = 0
for i in range(2, val // 2):
if val % i != 0:
prime += 1
print(prime) | 10
3
11
| 4
2
5
|
<H1>Prime Number</H1>
<p>
Write a program which reads an integer <var>n</var> and prints the number of prime numbers which are less than or equal to <var>n</var>. A prime number is a natural number which has exactly two distinct natural number divisors: 1 and itself. For example, the first four prime numbers are: 2, 3, 5 and 7.
</p>
<H2>Input</H2>
<p>
Input consists of several datasets. Each dataset has an integer <var>n</var> (1 ≤ <var>n</var> ≤ 999,999) in a line.
</p>
<p>
The number of datasets is less than or equal to 30.
</p>
<H2>Output</H2>
<p>
For each dataset, prints the number of prime numbers.
</p>
<H2>Sample Input</H2>
<pre>
10
3
11
</pre>
<H2>Output for the Sample Input</H2>
<pre>
4
2
5
</pre>
|
s585935732 | p00009 | Runtime Error | while True:
ss=input()
if len(ss)==0:
break
s=int(ss)+1
if s<2:
print(0)
else:
list=[True]*s
list[0]=False
list[1]=False
i=2
while i**2<=s-1:
j=i*2
while j<=s-1:
list[j]=False
j+=i
i+=1
print(list.count(True)) | 10
3
11
| 4
2
5
|
<H1>Prime Number</H1>
<p>
Write a program which reads an integer <var>n</var> and prints the number of prime numbers which are less than or equal to <var>n</var>. A prime number is a natural number which has exactly two distinct natural number divisors: 1 and itself. For example, the first four prime numbers are: 2, 3, 5 and 7.
</p>
<H2>Input</H2>
<p>
Input consists of several datasets. Each dataset has an integer <var>n</var> (1 ≤ <var>n</var> ≤ 999,999) in a line.
</p>
<p>
The number of datasets is less than or equal to 30.
</p>
<H2>Output</H2>
<p>
For each dataset, prints the number of prime numbers.
</p>
<H2>Sample Input</H2>
<pre>
10
3
11
</pre>
<H2>Output for the Sample Input</H2>
<pre>
4
2
5
</pre>
|
s355875939 | p00009 | Runtime Error | prime=[False]*1000000
np=[0]*1000000
for i in range(2,1000):
if not prime[i]
for j in range(i*2,1000000,i):
prime[j]=True
while True:
try:
n=int(input())
except:
break
print(sum(prime[2:n+1])) | 10
3
11
| 4
2
5
|
<H1>Prime Number</H1>
<p>
Write a program which reads an integer <var>n</var> and prints the number of prime numbers which are less than or equal to <var>n</var>. A prime number is a natural number which has exactly two distinct natural number divisors: 1 and itself. For example, the first four prime numbers are: 2, 3, 5 and 7.
</p>
<H2>Input</H2>
<p>
Input consists of several datasets. Each dataset has an integer <var>n</var> (1 ≤ <var>n</var> ≤ 999,999) in a line.
</p>
<p>
The number of datasets is less than or equal to 30.
</p>
<H2>Output</H2>
<p>
For each dataset, prints the number of prime numbers.
</p>
<H2>Sample Input</H2>
<pre>
10
3
11
</pre>
<H2>Output for the Sample Input</H2>
<pre>
4
2
5
</pre>
|
s246652104 | p00009 | Runtime Error | prime=[False]*1000000
np=[0]*1000000
for i in range(2,1000):
if not prime[i]
for j in range(i*2,1000000,i):
prime[j]=True
while True:
try:
n=int(input())
except:
break
print(sum(prime[2:n+1])) | 10
3
11
| 4
2
5
|
<H1>Prime Number</H1>
<p>
Write a program which reads an integer <var>n</var> and prints the number of prime numbers which are less than or equal to <var>n</var>. A prime number is a natural number which has exactly two distinct natural number divisors: 1 and itself. For example, the first four prime numbers are: 2, 3, 5 and 7.
</p>
<H2>Input</H2>
<p>
Input consists of several datasets. Each dataset has an integer <var>n</var> (1 ≤ <var>n</var> ≤ 999,999) in a line.
</p>
<p>
The number of datasets is less than or equal to 30.
</p>
<H2>Output</H2>
<p>
For each dataset, prints the number of prime numbers.
</p>
<H2>Sample Input</H2>
<pre>
10
3
11
</pre>
<H2>Output for the Sample Input</H2>
<pre>
4
2
5
</pre>
|
s738033026 | p00009 | Runtime Error | import sys
from math import sqrt
for line in sys.stdin:
n = int(line.strip())
L, pn, tmp = int(sqrt(n)), [], [i for i in range(2, n+1)]
while tmp[0] < L+1:
v = tmp.pop(0)
pn.append(v)
tmp = list(filter(lambda x: x%v!=0, tmp))
for t in tmp: pn.append(t)
print(len(pn)) | 10
3
11
| 4
2
5
|
<H1>Prime Number</H1>
<p>
Write a program which reads an integer <var>n</var> and prints the number of prime numbers which are less than or equal to <var>n</var>. A prime number is a natural number which has exactly two distinct natural number divisors: 1 and itself. For example, the first four prime numbers are: 2, 3, 5 and 7.
</p>
<H2>Input</H2>
<p>
Input consists of several datasets. Each dataset has an integer <var>n</var> (1 ≤ <var>n</var> ≤ 999,999) in a line.
</p>
<p>
The number of datasets is less than or equal to 30.
</p>
<H2>Output</H2>
<p>
For each dataset, prints the number of prime numbers.
</p>
<H2>Sample Input</H2>
<pre>
10
3
11
</pre>
<H2>Output for the Sample Input</H2>
<pre>
4
2
5
</pre>
|
s502097216 | p00009 | Runtime Error |
def isp(n):
a = 1
for i in range(2, (n + 1) // 2 + 2):
if not n % i:
a = 0
break
return a
num = input()
if num == 2:
print(1)
elif num == 3:
print(2)
else:
s = 2
for x in range(2, num + 1):
if isp(x):
s += 1
print(s) | 10
3
11
| 4
2
5
|
<H1>Prime Number</H1>
<p>
Write a program which reads an integer <var>n</var> and prints the number of prime numbers which are less than or equal to <var>n</var>. A prime number is a natural number which has exactly two distinct natural number divisors: 1 and itself. For example, the first four prime numbers are: 2, 3, 5 and 7.
</p>
<H2>Input</H2>
<p>
Input consists of several datasets. Each dataset has an integer <var>n</var> (1 ≤ <var>n</var> ≤ 999,999) in a line.
</p>
<p>
The number of datasets is less than or equal to 30.
</p>
<H2>Output</H2>
<p>
For each dataset, prints the number of prime numbers.
</p>
<H2>Sample Input</H2>
<pre>
10
3
11
</pre>
<H2>Output for the Sample Input</H2>
<pre>
4
2
5
</pre>
|
s851257398 | p00009 | Runtime Error |
def isp(n):
a = 1
for i in range(2, (n + 1) // 2 + 2):
if not n % i:
a = 0
break
return a
num = input(int)
if num == 2:
print(1)
elif num == 3:
print(2)
else:
s = 2
for x in range(2, num + 1):
if isp(x):
s += 1
print(s) | 10
3
11
| 4
2
5
|
<H1>Prime Number</H1>
<p>
Write a program which reads an integer <var>n</var> and prints the number of prime numbers which are less than or equal to <var>n</var>. A prime number is a natural number which has exactly two distinct natural number divisors: 1 and itself. For example, the first four prime numbers are: 2, 3, 5 and 7.
</p>
<H2>Input</H2>
<p>
Input consists of several datasets. Each dataset has an integer <var>n</var> (1 ≤ <var>n</var> ≤ 999,999) in a line.
</p>
<p>
The number of datasets is less than or equal to 30.
</p>
<H2>Output</H2>
<p>
For each dataset, prints the number of prime numbers.
</p>
<H2>Sample Input</H2>
<pre>
10
3
11
</pre>
<H2>Output for the Sample Input</H2>
<pre>
4
2
5
</pre>
|
s520973407 | p00009 | Runtime Error |
def isp(n):
a = 1
for i in range(2, (n + 1) // 2 + 2):
if not n % i:
a = 0
break
return a
for i in sys.stdin:
n = int(i)
if num == 2:
print(1)
elif num == 3:
print(2)
else:
s = 2
for x in range(2, num + 1):
if isp(x):
s += 1
print(s) | 10
3
11
| 4
2
5
|
<H1>Prime Number</H1>
<p>
Write a program which reads an integer <var>n</var> and prints the number of prime numbers which are less than or equal to <var>n</var>. A prime number is a natural number which has exactly two distinct natural number divisors: 1 and itself. For example, the first four prime numbers are: 2, 3, 5 and 7.
</p>
<H2>Input</H2>
<p>
Input consists of several datasets. Each dataset has an integer <var>n</var> (1 ≤ <var>n</var> ≤ 999,999) in a line.
</p>
<p>
The number of datasets is less than or equal to 30.
</p>
<H2>Output</H2>
<p>
For each dataset, prints the number of prime numbers.
</p>
<H2>Sample Input</H2>
<pre>
10
3
11
</pre>
<H2>Output for the Sample Input</H2>
<pre>
4
2
5
</pre>
|
s883815883 | p00009 | Runtime Error | import sys
def primes(n):
f = []
for i in range(n + 1):
if i > 2 and i % 2 == 0:
f.append(0)
else:
f.append(1)
i = 3
while i * i <= n:
if f[i] == 1:
j = i * i
while j <= n:
f[j] = 0
j += i + i
i += 2
return f[2:]
if __name__ == "__main__":
ps = primes(100)
for i in sys.stdin:
print(i,sum(ps[:i-1])) | 10
3
11
| 4
2
5
|
<H1>Prime Number</H1>
<p>
Write a program which reads an integer <var>n</var> and prints the number of prime numbers which are less than or equal to <var>n</var>. A prime number is a natural number which has exactly two distinct natural number divisors: 1 and itself. For example, the first four prime numbers are: 2, 3, 5 and 7.
</p>
<H2>Input</H2>
<p>
Input consists of several datasets. Each dataset has an integer <var>n</var> (1 ≤ <var>n</var> ≤ 999,999) in a line.
</p>
<p>
The number of datasets is less than or equal to 30.
</p>
<H2>Output</H2>
<p>
For each dataset, prints the number of prime numbers.
</p>
<H2>Sample Input</H2>
<pre>
10
3
11
</pre>
<H2>Output for the Sample Input</H2>
<pre>
4
2
5
</pre>
|
s017889370 | p00009 | Runtime Error | import sys
x = 500000
f = [0, 1] * xx
i = 3
while i * i <= 2 * xx:
if f[i] == 1:
j = i * i
while j <= 2 * xx:
f[j] = 0
j += i + i
i += 2
f.pop(0)
f.pop(1)
for n in sys.stdin:
i = int(n)
if i < 2:
print(0)
else:
print(sum(f[:i - 1])) | 10
3
11
| 4
2
5
|
<H1>Prime Number</H1>
<p>
Write a program which reads an integer <var>n</var> and prints the number of prime numbers which are less than or equal to <var>n</var>. A prime number is a natural number which has exactly two distinct natural number divisors: 1 and itself. For example, the first four prime numbers are: 2, 3, 5 and 7.
</p>
<H2>Input</H2>
<p>
Input consists of several datasets. Each dataset has an integer <var>n</var> (1 ≤ <var>n</var> ≤ 999,999) in a line.
</p>
<p>
The number of datasets is less than or equal to 30.
</p>
<H2>Output</H2>
<p>
For each dataset, prints the number of prime numbers.
</p>
<H2>Sample Input</H2>
<pre>
10
3
11
</pre>
<H2>Output for the Sample Input</H2>
<pre>
4
2
5
</pre>
|
s592551884 | p00009 | Runtime Error | import sys
x = 500000
f = [0, 1] * xx
i = 3
while i * i <= 2 * xx:
if f[i] == 1:
j = i * i
while j <= 2 * xx:
f[j] = 0
j += i + i
i += 2
f.pop(0)
f.pop(1)
for n in sys.stdin:
i = int(n)
if i < 2:
print(0)
else:
print(sum(f[:i - 1])) | 10
3
11
| 4
2
5
|
<H1>Prime Number</H1>
<p>
Write a program which reads an integer <var>n</var> and prints the number of prime numbers which are less than or equal to <var>n</var>. A prime number is a natural number which has exactly two distinct natural number divisors: 1 and itself. For example, the first four prime numbers are: 2, 3, 5 and 7.
</p>
<H2>Input</H2>
<p>
Input consists of several datasets. Each dataset has an integer <var>n</var> (1 ≤ <var>n</var> ≤ 999,999) in a line.
</p>
<p>
The number of datasets is less than or equal to 30.
</p>
<H2>Output</H2>
<p>
For each dataset, prints the number of prime numbers.
</p>
<H2>Sample Input</H2>
<pre>
10
3
11
</pre>
<H2>Output for the Sample Input</H2>
<pre>
4
2
5
</pre>
|
s117291632 | p00009 | Runtime Error | import sys
f = [0, 1] * 500000
i = 3
while i * i <= 2 * xx:
if f[i] == 1:
j = i * i
while j <= 2 * xx:
f[j] = 0
j += i + i
i += 2
f.pop(0)
f.pop(1)
for n in sys.stdin:
i = int(n)
if i < 2:
print(0)
else:
print(sum(f[:i - 1])) | 10
3
11
| 4
2
5
|
<H1>Prime Number</H1>
<p>
Write a program which reads an integer <var>n</var> and prints the number of prime numbers which are less than or equal to <var>n</var>. A prime number is a natural number which has exactly two distinct natural number divisors: 1 and itself. For example, the first four prime numbers are: 2, 3, 5 and 7.
</p>
<H2>Input</H2>
<p>
Input consists of several datasets. Each dataset has an integer <var>n</var> (1 ≤ <var>n</var> ≤ 999,999) in a line.
</p>
<p>
The number of datasets is less than or equal to 30.
</p>
<H2>Output</H2>
<p>
For each dataset, prints the number of prime numbers.
</p>
<H2>Sample Input</H2>
<pre>
10
3
11
</pre>
<H2>Output for the Sample Input</H2>
<pre>
4
2
5
</pre>
|
s390494308 | p00009 | Runtime Error | import sys
lalala = 1000000 // 6 + 1
f = [1, 0, 0, 0, 1, 0] * lalala
f = [0, 0, 1, 1] + f[3:-2]
i = 5
while i < 1000:
if f[i] == 1:
j = i * i
while j <= 1000000:
f[j] = 0
j += i + i
i += 2
for n in sys.stdin:
i = int(n)
print(sum(f[:i + 1])) | 10
3
11
| 4
2
5
|
<H1>Prime Number</H1>
<p>
Write a program which reads an integer <var>n</var> and prints the number of prime numbers which are less than or equal to <var>n</var>. A prime number is a natural number which has exactly two distinct natural number divisors: 1 and itself. For example, the first four prime numbers are: 2, 3, 5 and 7.
</p>
<H2>Input</H2>
<p>
Input consists of several datasets. Each dataset has an integer <var>n</var> (1 ≤ <var>n</var> ≤ 999,999) in a line.
</p>
<p>
The number of datasets is less than or equal to 30.
</p>
<H2>Output</H2>
<p>
For each dataset, prints the number of prime numbers.
</p>
<H2>Sample Input</H2>
<pre>
10
3
11
</pre>
<H2>Output for the Sample Input</H2>
<pre>
4
2
5
</pre>
|
s430488092 | p00009 | Runtime Error | def p(n):
l = list(range(2,n+1))
p = 2
i = 0
p = l[i]
while True:
pl = len(l)
l = list(filter(lambda n: n%p != 0 or n == p,l))
i += 1
p = l[i]
if pl == len(l):
break
return len(l)
from sys import stdin
for i in stdin:
print(p(int(i))) | 10
3
11
| 4
2
5
|
<H1>Prime Number</H1>
<p>
Write a program which reads an integer <var>n</var> and prints the number of prime numbers which are less than or equal to <var>n</var>. A prime number is a natural number which has exactly two distinct natural number divisors: 1 and itself. For example, the first four prime numbers are: 2, 3, 5 and 7.
</p>
<H2>Input</H2>
<p>
Input consists of several datasets. Each dataset has an integer <var>n</var> (1 ≤ <var>n</var> ≤ 999,999) in a line.
</p>
<p>
The number of datasets is less than or equal to 30.
</p>
<H2>Output</H2>
<p>
For each dataset, prints the number of prime numbers.
</p>
<H2>Sample Input</H2>
<pre>
10
3
11
</pre>
<H2>Output for the Sample Input</H2>
<pre>
4
2
5
</pre>
|
s416871680 | p00009 | Runtime Error | def p(n):
l = list(range(2,n+1))
p = 2
i = 0
p = l[i]
while True:
pl = len(l)
l = list(filter(lambda n: n%p != 0 or n == p,l))
i += 1
p = l[i]
if pl == len(l):
return pl
from sys import stdin
for i in stdin:
print(p(int(i))) | 10
3
11
| 4
2
5
|
<H1>Prime Number</H1>
<p>
Write a program which reads an integer <var>n</var> and prints the number of prime numbers which are less than or equal to <var>n</var>. A prime number is a natural number which has exactly two distinct natural number divisors: 1 and itself. For example, the first four prime numbers are: 2, 3, 5 and 7.
</p>
<H2>Input</H2>
<p>
Input consists of several datasets. Each dataset has an integer <var>n</var> (1 ≤ <var>n</var> ≤ 999,999) in a line.
</p>
<p>
The number of datasets is less than or equal to 30.
</p>
<H2>Output</H2>
<p>
For each dataset, prints the number of prime numbers.
</p>
<H2>Sample Input</H2>
<pre>
10
3
11
</pre>
<H2>Output for the Sample Input</H2>
<pre>
4
2
5
</pre>
|
s051465539 | p00009 | Runtime Error | from math import sqrt
def p(n):
l = list(range(2,n+1))
p = 2
i = 0
p = l[i]
while p < sqrt(n):
pl = len(l)
l = list(filter(lambda n: n%p != 0 or n == p,l))
i += 1
p = l[i]
return len(l)
from sys import stdin
for i in stdin:
print(p(int(i))) | 10
3
11
| 4
2
5
|
<H1>Prime Number</H1>
<p>
Write a program which reads an integer <var>n</var> and prints the number of prime numbers which are less than or equal to <var>n</var>. A prime number is a natural number which has exactly two distinct natural number divisors: 1 and itself. For example, the first four prime numbers are: 2, 3, 5 and 7.
</p>
<H2>Input</H2>
<p>
Input consists of several datasets. Each dataset has an integer <var>n</var> (1 ≤ <var>n</var> ≤ 999,999) in a line.
</p>
<p>
The number of datasets is less than or equal to 30.
</p>
<H2>Output</H2>
<p>
For each dataset, prints the number of prime numbers.
</p>
<H2>Sample Input</H2>
<pre>
10
3
11
</pre>
<H2>Output for the Sample Input</H2>
<pre>
4
2
5
</pre>
|
s327350232 | p00009 | Runtime Error | def pm(n):
l = list(range(3,n+1)[0::2])
p = 3
i = 0
p = l[i]
m = sqrt(n)+1
while p <= m:
l = l[:i+1] + [n for n in l[i+1:] if n%p != 0]
i += 1
p = l[i]
return len(l) + 1
from sys import stdin
for i in stdin:
print(pm(int(i))) | 10
3
11
| 4
2
5
|
<H1>Prime Number</H1>
<p>
Write a program which reads an integer <var>n</var> and prints the number of prime numbers which are less than or equal to <var>n</var>. A prime number is a natural number which has exactly two distinct natural number divisors: 1 and itself. For example, the first four prime numbers are: 2, 3, 5 and 7.
</p>
<H2>Input</H2>
<p>
Input consists of several datasets. Each dataset has an integer <var>n</var> (1 ≤ <var>n</var> ≤ 999,999) in a line.
</p>
<p>
The number of datasets is less than or equal to 30.
</p>
<H2>Output</H2>
<p>
For each dataset, prints the number of prime numbers.
</p>
<H2>Sample Input</H2>
<pre>
10
3
11
</pre>
<H2>Output for the Sample Input</H2>
<pre>
4
2
5
</pre>
|
s355434033 | p00009 | Runtime Error | from math import sqrt
def pm(n):
l = list(range(3,n+1)[0::2])
p = 3
i = 0
p = l[i]
m = sqrt(n)+1
while p <= m:
l = l[:i+1] + [n for n in l[i+1:] if n%p != 0]
i += 1
p = l[i]
return len(l) + 1
from sys import stdin
for i in stdin:
print(pm(int(i))) | 10
3
11
| 4
2
5
|
<H1>Prime Number</H1>
<p>
Write a program which reads an integer <var>n</var> and prints the number of prime numbers which are less than or equal to <var>n</var>. A prime number is a natural number which has exactly two distinct natural number divisors: 1 and itself. For example, the first four prime numbers are: 2, 3, 5 and 7.
</p>
<H2>Input</H2>
<p>
Input consists of several datasets. Each dataset has an integer <var>n</var> (1 ≤ <var>n</var> ≤ 999,999) in a line.
</p>
<p>
The number of datasets is less than or equal to 30.
</p>
<H2>Output</H2>
<p>
For each dataset, prints the number of prime numbers.
</p>
<H2>Sample Input</H2>
<pre>
10
3
11
</pre>
<H2>Output for the Sample Input</H2>
<pre>
4
2
5
</pre>
|
s249847515 | p00009 | Runtime Error | from math import sqrt
from sys import stdin
def pm(n):
l = list(range(3,n+1)[0::2])
p = 3
i = 0
p = l[i]
m = sqrt(n)+1
while p <= m:
l = l[:i+1] + [n for n in l[i+1:] if n%p != 0]
i += 1
p = l[i]
return len(l) + 1
for i in stdin:
print(pm(int(i))) | 10
3
11
| 4
2
5
|
<H1>Prime Number</H1>
<p>
Write a program which reads an integer <var>n</var> and prints the number of prime numbers which are less than or equal to <var>n</var>. A prime number is a natural number which has exactly two distinct natural number divisors: 1 and itself. For example, the first four prime numbers are: 2, 3, 5 and 7.
</p>
<H2>Input</H2>
<p>
Input consists of several datasets. Each dataset has an integer <var>n</var> (1 ≤ <var>n</var> ≤ 999,999) in a line.
</p>
<p>
The number of datasets is less than or equal to 30.
</p>
<H2>Output</H2>
<p>
For each dataset, prints the number of prime numbers.
</p>
<H2>Sample Input</H2>
<pre>
10
3
11
</pre>
<H2>Output for the Sample Input</H2>
<pre>
4
2
5
</pre>
|
s702122212 | p00009 | Runtime Error | from math import sqrt
from sys import stdin
def pm(n):
l = list(range(3,n+1)[0::2])
p = 3
i = 0
p = l[i]
m = sqrt(n)+1
while p <= m:
l = l[:i+1] + [n for n in l[i+1:] if n%p != 0]
i += 1
p = l[i]
return len(l) + 1
for n in stdin:
print(pm(int(n))) | 10
3
11
| 4
2
5
|
<H1>Prime Number</H1>
<p>
Write a program which reads an integer <var>n</var> and prints the number of prime numbers which are less than or equal to <var>n</var>. A prime number is a natural number which has exactly two distinct natural number divisors: 1 and itself. For example, the first four prime numbers are: 2, 3, 5 and 7.
</p>
<H2>Input</H2>
<p>
Input consists of several datasets. Each dataset has an integer <var>n</var> (1 ≤ <var>n</var> ≤ 999,999) in a line.
</p>
<p>
The number of datasets is less than or equal to 30.
</p>
<H2>Output</H2>
<p>
For each dataset, prints the number of prime numbers.
</p>
<H2>Sample Input</H2>
<pre>
10
3
11
</pre>
<H2>Output for the Sample Input</H2>
<pre>
4
2
5
</pre>
|
s317832388 | p00009 | Runtime Error | from math import sqrt
from sys import stdin
def pm(n):
l = list(range(3,n+1)[0::2])
p = 3
i = 0
p = l[i]
m = sqrt(n)+1
while p <= m:
l = l[:i+1] + [n for n in l[i+1:] if n%p != 0]
i += 1
p = l[i]
return len(l) + 1
for n in stdin:
print (pm(int(n))) | 10
3
11
| 4
2
5
|
<H1>Prime Number</H1>
<p>
Write a program which reads an integer <var>n</var> and prints the number of prime numbers which are less than or equal to <var>n</var>. A prime number is a natural number which has exactly two distinct natural number divisors: 1 and itself. For example, the first four prime numbers are: 2, 3, 5 and 7.
</p>
<H2>Input</H2>
<p>
Input consists of several datasets. Each dataset has an integer <var>n</var> (1 ≤ <var>n</var> ≤ 999,999) in a line.
</p>
<p>
The number of datasets is less than or equal to 30.
</p>
<H2>Output</H2>
<p>
For each dataset, prints the number of prime numbers.
</p>
<H2>Sample Input</H2>
<pre>
10
3
11
</pre>
<H2>Output for the Sample Input</H2>
<pre>
4
2
5
</pre>
|
s423314266 | p00009 | Runtime Error | from math import sqrt
from sys import stdin
def pm(n):
l = list(range(3,n+1)[0::2])
p = 3
i = 0
p = l[i]
m = sqrt(n)+1
while p <= m:
l = l[:i+1] + [n for n in l[i+1:] if n%p != 0]
i += 1
p = l[i]
return len(l) + 1
for n in stdin:
print pm(int(n)) | 10
3
11
| 4
2
5
|
<H1>Prime Number</H1>
<p>
Write a program which reads an integer <var>n</var> and prints the number of prime numbers which are less than or equal to <var>n</var>. A prime number is a natural number which has exactly two distinct natural number divisors: 1 and itself. For example, the first four prime numbers are: 2, 3, 5 and 7.
</p>
<H2>Input</H2>
<p>
Input consists of several datasets. Each dataset has an integer <var>n</var> (1 ≤ <var>n</var> ≤ 999,999) in a line.
</p>
<p>
The number of datasets is less than or equal to 30.
</p>
<H2>Output</H2>
<p>
For each dataset, prints the number of prime numbers.
</p>
<H2>Sample Input</H2>
<pre>
10
3
11
</pre>
<H2>Output for the Sample Input</H2>
<pre>
4
2
5
</pre>
|
s977949050 | p00009 | Runtime Error | #!/usr/bin/env python
# -*- coding: utf-8 -*-
import sys
LIMIT = 1000000
is_prime = [True for i in range(LIMIT+1)]
p = 2
while p**2 <= LIMIT:
if is_prime[p]:
for i in range(p*2, n+1, p):
is_prime[i] = False
p += 1
for line in sys.stdin.readlines():
n = int(line.strip())
if n <= 1:
print(0)
continue
if n == 2:
print(1)
continue
num_prime = 1
for i in range(3, n+1):
if is_prime[i]:
num_prime += 1
print(num_prime) | 10
3
11
| 4
2
5
|
<H1>Prime Number</H1>
<p>
Write a program which reads an integer <var>n</var> and prints the number of prime numbers which are less than or equal to <var>n</var>. A prime number is a natural number which has exactly two distinct natural number divisors: 1 and itself. For example, the first four prime numbers are: 2, 3, 5 and 7.
</p>
<H2>Input</H2>
<p>
Input consists of several datasets. Each dataset has an integer <var>n</var> (1 ≤ <var>n</var> ≤ 999,999) in a line.
</p>
<p>
The number of datasets is less than or equal to 30.
</p>
<H2>Output</H2>
<p>
For each dataset, prints the number of prime numbers.
</p>
<H2>Sample Input</H2>
<pre>
10
3
11
</pre>
<H2>Output for the Sample Input</H2>
<pre>
4
2
5
</pre>
|
s207092529 | p00009 | Runtime Error | #!/usr/bin/env python
# -*- coding: utf-8 -*-
import sys
LIMIT = 1000000
is_prime = [True] * (LIMIT+1)
p = 2
while p**2 <= LIMIT:
if is_prime[p]:
for i in range(p*2, n+1, p):
is_prime[i] = False
p += 1
for line in sys.stdin.readlines():
n = int(line.strip())
if n <= 1:
print(0)
continue
if n == 2:
print(1)
continue
num_prime = 1
for i in range(3, n+1):
if is_prime[i]:
num_prime += 1
print(num_prime) | 10
3
11
| 4
2
5
|
<H1>Prime Number</H1>
<p>
Write a program which reads an integer <var>n</var> and prints the number of prime numbers which are less than or equal to <var>n</var>. A prime number is a natural number which has exactly two distinct natural number divisors: 1 and itself. For example, the first four prime numbers are: 2, 3, 5 and 7.
</p>
<H2>Input</H2>
<p>
Input consists of several datasets. Each dataset has an integer <var>n</var> (1 ≤ <var>n</var> ≤ 999,999) in a line.
</p>
<p>
The number of datasets is less than or equal to 30.
</p>
<H2>Output</H2>
<p>
For each dataset, prints the number of prime numbers.
</p>
<H2>Sample Input</H2>
<pre>
10
3
11
</pre>
<H2>Output for the Sample Input</H2>
<pre>
4
2
5
</pre>
|
s174888183 | p00009 | Runtime Error | import math
import sys
a = [] # create an array to save input integers
for line in sys.stdin:
a.append(int(line))
def is_prime(n):
if n == 1:
return False
for i in range(2, int(math.sqrt(n) + 1)):
if n % i == 0:
return False
return True
ans = [0]
for i in range(1, 100000):
if is_prime(i):
ans.append(ans[-1] + 1)
else:
ans.append(ans[-1])
for i in a:
print ans[i] | 10
3
11
| 4
2
5
|
<H1>Prime Number</H1>
<p>
Write a program which reads an integer <var>n</var> and prints the number of prime numbers which are less than or equal to <var>n</var>. A prime number is a natural number which has exactly two distinct natural number divisors: 1 and itself. For example, the first four prime numbers are: 2, 3, 5 and 7.
</p>
<H2>Input</H2>
<p>
Input consists of several datasets. Each dataset has an integer <var>n</var> (1 ≤ <var>n</var> ≤ 999,999) in a line.
</p>
<p>
The number of datasets is less than or equal to 30.
</p>
<H2>Output</H2>
<p>
For each dataset, prints the number of prime numbers.
</p>
<H2>Sample Input</H2>
<pre>
10
3
11
</pre>
<H2>Output for the Sample Input</H2>
<pre>
4
2
5
</pre>
|
s673487810 | p00009 | Runtime Error | import sys
import math as mas
def sieve(n):
p=[True for i in range(n+1)]
p[0]=p[1]=False
end=int(n**0.5)
for i in range(2,end+1):
if p[i]:
for j in range(i*i,n+1,i):
p[j]=False
return p
sosu=sieve(1000010)
for i in sys.stdin:
print(sum(sosu[t] for t in range(int(i)))
# a,b=map(int,i.split())
# print(gcd(a,b),lcm(a,b)) | 10
3
11
| 4
2
5
|
<H1>Prime Number</H1>
<p>
Write a program which reads an integer <var>n</var> and prints the number of prime numbers which are less than or equal to <var>n</var>. A prime number is a natural number which has exactly two distinct natural number divisors: 1 and itself. For example, the first four prime numbers are: 2, 3, 5 and 7.
</p>
<H2>Input</H2>
<p>
Input consists of several datasets. Each dataset has an integer <var>n</var> (1 ≤ <var>n</var> ≤ 999,999) in a line.
</p>
<p>
The number of datasets is less than or equal to 30.
</p>
<H2>Output</H2>
<p>
For each dataset, prints the number of prime numbers.
</p>
<H2>Sample Input</H2>
<pre>
10
3
11
</pre>
<H2>Output for the Sample Input</H2>
<pre>
4
2
5
</pre>
|
s929107196 | p00009 | Runtime Error | from itertools import takewhile
primes = [2, 3, 5, 7]
append_prime = primes.append
upper = 10
def is_prime(num):
for p in primes:
if num % p == 0:
return False
return True
def calc_prime(num):
for i in range(upper + 1, num + 1):
if is_prime(i):
append_prime(i)
for s in sys.stdin:
print(primes)
n = int(s)
if upper < n:
calc_prime(n)
upper = n
print(len(primes))
else:
print(len(tuple(takewhile(lambda x: x <= n, primes)))) | 10
3
11
| 4
2
5
|
<H1>Prime Number</H1>
<p>
Write a program which reads an integer <var>n</var> and prints the number of prime numbers which are less than or equal to <var>n</var>. A prime number is a natural number which has exactly two distinct natural number divisors: 1 and itself. For example, the first four prime numbers are: 2, 3, 5 and 7.
</p>
<H2>Input</H2>
<p>
Input consists of several datasets. Each dataset has an integer <var>n</var> (1 ≤ <var>n</var> ≤ 999,999) in a line.
</p>
<p>
The number of datasets is less than or equal to 30.
</p>
<H2>Output</H2>
<p>
For each dataset, prints the number of prime numbers.
</p>
<H2>Sample Input</H2>
<pre>
10
3
11
</pre>
<H2>Output for the Sample Input</H2>
<pre>
4
2
5
</pre>
|
s217176712 | p00009 | Runtime Error | # -*- coding: utf-8 -*-
import sys
import os
import math
def Eratosthenes(n):
lst = [i for i in range(2, n+1)]
primes = []
sqrt_n = n ** 0.5
while True:
first = lst.pop(0)
if first < sqrt_n:
primes.append(first)
new_lst = []
for v in lst:
if v % first != 0:
new_lst.append(v)
lst = new_lst
else:
# ??????
return primes + [first] + lst
if __name__ == '__main__':
inputs = sys.stdin.readlines()
for s in inputs:
n = int(s)
lst = Eratosthenes(n)
print(len(lst)) | 10
3
11
| 4
2
5
|
<H1>Prime Number</H1>
<p>
Write a program which reads an integer <var>n</var> and prints the number of prime numbers which are less than or equal to <var>n</var>. A prime number is a natural number which has exactly two distinct natural number divisors: 1 and itself. For example, the first four prime numbers are: 2, 3, 5 and 7.
</p>
<H2>Input</H2>
<p>
Input consists of several datasets. Each dataset has an integer <var>n</var> (1 ≤ <var>n</var> ≤ 999,999) in a line.
</p>
<p>
The number of datasets is less than or equal to 30.
</p>
<H2>Output</H2>
<p>
For each dataset, prints the number of prime numbers.
</p>
<H2>Sample Input</H2>
<pre>
10
3
11
</pre>
<H2>Output for the Sample Input</H2>
<pre>
4
2
5
</pre>
|
s802688993 | p00009 | Runtime Error | # -*- coding: utf-8 -*-
import sys
import os
import math
def Eratosthenes(n):
lst = [i for i in range(2, n+1)]
primes = []
sqrt_n = n ** 0.5
while True:
first = lst.pop(0)
if first < sqrt_n:
primes.append(first)
new_lst = []
for v in lst:
if v % first != 0:
new_lst.append(v)
lst = new_lst
else:
# ??????
return primes + [first] + lst
inputs = sys.stdin.readlines()
for s in inputs:
n = int(s)
lst = Eratosthenes(n)
print(len(lst)) | 10
3
11
| 4
2
5
|
<H1>Prime Number</H1>
<p>
Write a program which reads an integer <var>n</var> and prints the number of prime numbers which are less than or equal to <var>n</var>. A prime number is a natural number which has exactly two distinct natural number divisors: 1 and itself. For example, the first four prime numbers are: 2, 3, 5 and 7.
</p>
<H2>Input</H2>
<p>
Input consists of several datasets. Each dataset has an integer <var>n</var> (1 ≤ <var>n</var> ≤ 999,999) in a line.
</p>
<p>
The number of datasets is less than or equal to 30.
</p>
<H2>Output</H2>
<p>
For each dataset, prints the number of prime numbers.
</p>
<H2>Sample Input</H2>
<pre>
10
3
11
</pre>
<H2>Output for the Sample Input</H2>
<pre>
4
2
5
</pre>
|
s553824456 | p00009 | Runtime Error | # -*- coding: utf-8 -*-
import sys
import os
import math
def Eratosthenes(n):
lst = [i for i in range(2, n+1)]
primes = []
sqrt_n = n ** 0.5
while True:
first = lst.pop(0)
if first < sqrt_n:
primes.append(first)
new_lst = []
for v in lst:
if v % first != 0:
new_lst.append(v)
lst = new_lst
else:
# ??????
return primes + [first] + lst
s_list = sys.stdin.readlines()
for s in s_list:
n = int(s)
lst = Eratosthenes(n)
print(len(lst)) | 10
3
11
| 4
2
5
|
<H1>Prime Number</H1>
<p>
Write a program which reads an integer <var>n</var> and prints the number of prime numbers which are less than or equal to <var>n</var>. A prime number is a natural number which has exactly two distinct natural number divisors: 1 and itself. For example, the first four prime numbers are: 2, 3, 5 and 7.
</p>
<H2>Input</H2>
<p>
Input consists of several datasets. Each dataset has an integer <var>n</var> (1 ≤ <var>n</var> ≤ 999,999) in a line.
</p>
<p>
The number of datasets is less than or equal to 30.
</p>
<H2>Output</H2>
<p>
For each dataset, prints the number of prime numbers.
</p>
<H2>Sample Input</H2>
<pre>
10
3
11
</pre>
<H2>Output for the Sample Input</H2>
<pre>
4
2
5
</pre>
|
s448153442 | p00009 | Runtime Error | # -*- coding: utf-8 -*-
import sys
import os
import math
def eratosthenes(n):
lst = [i for i in range(2, n+1)]
primes = []
sqrt_n = n ** 0.5
while True:
first = lst.pop(0)
if first < sqrt_n:
primes.append(first)
new_lst = []
for v in lst:
if v % first != 0:
new_lst.append(v)
lst = new_lst
else:
# ??????
return primes + [first] + lst
for s in sys.stdin:
n = int(s)
lst = eratosthenes(n)
print(len(lst)) | 10
3
11
| 4
2
5
|
<H1>Prime Number</H1>
<p>
Write a program which reads an integer <var>n</var> and prints the number of prime numbers which are less than or equal to <var>n</var>. A prime number is a natural number which has exactly two distinct natural number divisors: 1 and itself. For example, the first four prime numbers are: 2, 3, 5 and 7.
</p>
<H2>Input</H2>
<p>
Input consists of several datasets. Each dataset has an integer <var>n</var> (1 ≤ <var>n</var> ≤ 999,999) in a line.
</p>
<p>
The number of datasets is less than or equal to 30.
</p>
<H2>Output</H2>
<p>
For each dataset, prints the number of prime numbers.
</p>
<H2>Sample Input</H2>
<pre>
10
3
11
</pre>
<H2>Output for the Sample Input</H2>
<pre>
4
2
5
</pre>
|
s160253634 | p00009 | Runtime Error | # -*- coding: utf-8 -*-
import sys
import os
import math
def eratosthenes(n):
lst = [i for i in range(2, n+1)]
primes = []
sqrt_n = n ** 0.5
while lst:
first = lst.pop(0)
if first < sqrt_n:
primes.append(first)
new_lst = []
for v in lst:
if v % first != 0:
new_lst.append(v)
lst = new_lst
else:
# ??????
return primes + [first] + lst
for s in sys.stdin:
n = int(s)
lst = eratosthenes(n)
print(len(lst)) | 10
3
11
| 4
2
5
|
<H1>Prime Number</H1>
<p>
Write a program which reads an integer <var>n</var> and prints the number of prime numbers which are less than or equal to <var>n</var>. A prime number is a natural number which has exactly two distinct natural number divisors: 1 and itself. For example, the first four prime numbers are: 2, 3, 5 and 7.
</p>
<H2>Input</H2>
<p>
Input consists of several datasets. Each dataset has an integer <var>n</var> (1 ≤ <var>n</var> ≤ 999,999) in a line.
</p>
<p>
The number of datasets is less than or equal to 30.
</p>
<H2>Output</H2>
<p>
For each dataset, prints the number of prime numbers.
</p>
<H2>Sample Input</H2>
<pre>
10
3
11
</pre>
<H2>Output for the Sample Input</H2>
<pre>
4
2
5
</pre>
|
s143769283 | p00009 | Runtime Error | # -*- coding: utf-8 -*-
import sys
import os
import math
def eratosthenes(n):
lst = [i for i in range(2, n+1)]
primes = []
sqrt_n = math.sqrt(n)
while lst:
first = lst.pop(0)
if first < sqrt_n:
primes.append(first)
new_lst = []
for v in lst:
if v % first != 0:
new_lst.append(v)
lst = new_lst
else:
# ??????
return primes + [first] + lst
for s in sys.stdin:
n = int(s)
lst = eratosthenes(n)
print(len(lst)) | 10
3
11
| 4
2
5
|
<H1>Prime Number</H1>
<p>
Write a program which reads an integer <var>n</var> and prints the number of prime numbers which are less than or equal to <var>n</var>. A prime number is a natural number which has exactly two distinct natural number divisors: 1 and itself. For example, the first four prime numbers are: 2, 3, 5 and 7.
</p>
<H2>Input</H2>
<p>
Input consists of several datasets. Each dataset has an integer <var>n</var> (1 ≤ <var>n</var> ≤ 999,999) in a line.
</p>
<p>
The number of datasets is less than or equal to 30.
</p>
<H2>Output</H2>
<p>
For each dataset, prints the number of prime numbers.
</p>
<H2>Sample Input</H2>
<pre>
10
3
11
</pre>
<H2>Output for the Sample Input</H2>
<pre>
4
2
5
</pre>
|
s504652410 | p00009 | Runtime Error | def cntPrime(n):
mx = sqrt(n) + 1
if n % 2 == 0:
l = [0, 1] + [1, 0] * (int(n/2) - 1)
else:
l = [0, 1] + [1, 0] * (int(n/2) - 1) + [1]
c = 3
while c < mx:
for k in range(c, floor(n/c) + 1, 1):
l[c * k -1] = 0
c = l[:c].index(1) + c
return sum(l)
for n in stdin:
n = int(n)
print(cntPrime(n)) | 10
3
11
| 4
2
5
|
<H1>Prime Number</H1>
<p>
Write a program which reads an integer <var>n</var> and prints the number of prime numbers which are less than or equal to <var>n</var>. A prime number is a natural number which has exactly two distinct natural number divisors: 1 and itself. For example, the first four prime numbers are: 2, 3, 5 and 7.
</p>
<H2>Input</H2>
<p>
Input consists of several datasets. Each dataset has an integer <var>n</var> (1 ≤ <var>n</var> ≤ 999,999) in a line.
</p>
<p>
The number of datasets is less than or equal to 30.
</p>
<H2>Output</H2>
<p>
For each dataset, prints the number of prime numbers.
</p>
<H2>Sample Input</H2>
<pre>
10
3
11
</pre>
<H2>Output for the Sample Input</H2>
<pre>
4
2
5
</pre>
|
s800299390 | p00009 | Runtime Error | if __name__ == '__main__':
while True:
n = int(input())
is_prime = [True for i in range(n + 1)]
is_prime[0] = False
is_prime[1] = False
p = 0
for i in range(2, n + 1):
if is_prime[i]:
p += 1
for j in range(i * 2, n + 1, i):
is_prime[j] = False
print(p) | 10
3
11
| 4
2
5
|
<H1>Prime Number</H1>
<p>
Write a program which reads an integer <var>n</var> and prints the number of prime numbers which are less than or equal to <var>n</var>. A prime number is a natural number which has exactly two distinct natural number divisors: 1 and itself. For example, the first four prime numbers are: 2, 3, 5 and 7.
</p>
<H2>Input</H2>
<p>
Input consists of several datasets. Each dataset has an integer <var>n</var> (1 ≤ <var>n</var> ≤ 999,999) in a line.
</p>
<p>
The number of datasets is less than or equal to 30.
</p>
<H2>Output</H2>
<p>
For each dataset, prints the number of prime numbers.
</p>
<H2>Sample Input</H2>
<pre>
10
3
11
</pre>
<H2>Output for the Sample Input</H2>
<pre>
4
2
5
</pre>
|
s480749878 | p00009 | Runtime Error | while True:
n = int(input())
is_prime = [True for i in range(n + 1)]
is_prime[0] = False
is_prime[1] = False
p = 0
for i in range(2, n + 1):
if is_prime[i]:
p += 1
for j in range(i * 2, n + 1, i):
is_prime[j] = False
print(p) | 10
3
11
| 4
2
5
|
<H1>Prime Number</H1>
<p>
Write a program which reads an integer <var>n</var> and prints the number of prime numbers which are less than or equal to <var>n</var>. A prime number is a natural number which has exactly two distinct natural number divisors: 1 and itself. For example, the first four prime numbers are: 2, 3, 5 and 7.
</p>
<H2>Input</H2>
<p>
Input consists of several datasets. Each dataset has an integer <var>n</var> (1 ≤ <var>n</var> ≤ 999,999) in a line.
</p>
<p>
The number of datasets is less than or equal to 30.
</p>
<H2>Output</H2>
<p>
For each dataset, prints the number of prime numbers.
</p>
<H2>Sample Input</H2>
<pre>
10
3
11
</pre>
<H2>Output for the Sample Input</H2>
<pre>
4
2
5
</pre>
|
s397643375 | p00009 | Runtime Error | import sys
def main():
for _ in range(30):
try:
number = int(sys.stdin)
except EOFError:
return None
p = 0
for num in range(2, number+1):
a = int(num**0.5)
bl = True
for k in range(2, a+1):
if num % k == 0:
bl = False
break
if bl:
p += 1
print(p)
return None
if __name__ == '__main__':
main() | 10
3
11
| 4
2
5
|
<H1>Prime Number</H1>
<p>
Write a program which reads an integer <var>n</var> and prints the number of prime numbers which are less than or equal to <var>n</var>. A prime number is a natural number which has exactly two distinct natural number divisors: 1 and itself. For example, the first four prime numbers are: 2, 3, 5 and 7.
</p>
<H2>Input</H2>
<p>
Input consists of several datasets. Each dataset has an integer <var>n</var> (1 ≤ <var>n</var> ≤ 999,999) in a line.
</p>
<p>
The number of datasets is less than or equal to 30.
</p>
<H2>Output</H2>
<p>
For each dataset, prints the number of prime numbers.
</p>
<H2>Sample Input</H2>
<pre>
10
3
11
</pre>
<H2>Output for the Sample Input</H2>
<pre>
4
2
5
</pre>
|
s375475650 | p00009 | Runtime Error | import sys;
import math;
lines = str(sys.stdin.read()).strip().split("\n")
for line in lines:
line = int(line)
pList = []
sList = list(reversed(list(range(3, line + 1))[::2]))
while sList[-1] < math.ceil(math.sqrt(line)) + 1 :
pList.append(sList.pop())
for p in pList:
sList = list(filter(lambda i: i % p != 0, sList))
print(len(sList) + len(pList) + 1) | 10
3
11
| 4
2
5
|
<H1>Prime Number</H1>
<p>
Write a program which reads an integer <var>n</var> and prints the number of prime numbers which are less than or equal to <var>n</var>. A prime number is a natural number which has exactly two distinct natural number divisors: 1 and itself. For example, the first four prime numbers are: 2, 3, 5 and 7.
</p>
<H2>Input</H2>
<p>
Input consists of several datasets. Each dataset has an integer <var>n</var> (1 ≤ <var>n</var> ≤ 999,999) in a line.
</p>
<p>
The number of datasets is less than or equal to 30.
</p>
<H2>Output</H2>
<p>
For each dataset, prints the number of prime numbers.
</p>
<H2>Sample Input</H2>
<pre>
10
3
11
</pre>
<H2>Output for the Sample Input</H2>
<pre>
4
2
5
</pre>
|
s075684022 | p00009 | Runtime Error | import sys
import math
lines = str(sys.stdin.read()).strip().split("\n")
for line in lines:
line = int(line)
pList = []
sList = list(reversed(list(range(3, line + 1))[::2]))
while sList[-1] < math.ceil(math.sqrt(line)) + 1 :
pList.append(sList.pop())
for p in pList:
sList = list(filter(lambda i: i % p != 0, sList))
print(len(sList) + len(pList) + 1) | 10
3
11
| 4
2
5
|
<H1>Prime Number</H1>
<p>
Write a program which reads an integer <var>n</var> and prints the number of prime numbers which are less than or equal to <var>n</var>. A prime number is a natural number which has exactly two distinct natural number divisors: 1 and itself. For example, the first four prime numbers are: 2, 3, 5 and 7.
</p>
<H2>Input</H2>
<p>
Input consists of several datasets. Each dataset has an integer <var>n</var> (1 ≤ <var>n</var> ≤ 999,999) in a line.
</p>
<p>
The number of datasets is less than or equal to 30.
</p>
<H2>Output</H2>
<p>
For each dataset, prints the number of prime numbers.
</p>
<H2>Sample Input</H2>
<pre>
10
3
11
</pre>
<H2>Output for the Sample Input</H2>
<pre>
4
2
5
</pre>
|
s437799286 | p00009 | Runtime Error | import sys
import math
lines = str(sys.stdin.read()).strip().split("\n")
for line in lines:
line = int(line)
pList = []
sList = list(reversed(list(range(3, line + 1))[::2]))
while sList[-1] < int(math.ceil(math.sqrt(line))) + 1 :
pList.append(sList.pop())
for p in pList:
sList = list(filter(lambda i: i % p != 0, sList))
pList.extend(sList)
pList.append(2)
print(len(pList)) | 10
3
11
| 4
2
5
|
<H1>Prime Number</H1>
<p>
Write a program which reads an integer <var>n</var> and prints the number of prime numbers which are less than or equal to <var>n</var>. A prime number is a natural number which has exactly two distinct natural number divisors: 1 and itself. For example, the first four prime numbers are: 2, 3, 5 and 7.
</p>
<H2>Input</H2>
<p>
Input consists of several datasets. Each dataset has an integer <var>n</var> (1 ≤ <var>n</var> ≤ 999,999) in a line.
</p>
<p>
The number of datasets is less than or equal to 30.
</p>
<H2>Output</H2>
<p>
For each dataset, prints the number of prime numbers.
</p>
<H2>Sample Input</H2>
<pre>
10
3
11
</pre>
<H2>Output for the Sample Input</H2>
<pre>
4
2
5
</pre>
|
s606762120 | p00009 | Runtime Error | import sys
import math
lines = str(sys.stdin.read()).strip().split("\n")
for line in lines:
line = int(line)
pList = []
sList = list(reversed(list(range(3, line + 1))[::2]))
while sList[-1] < int(math.ceil(math.sqrt(line))) + 1:
pList.append(sList.pop())
for p in pList:
sList = list(filter(lambda i: i % p != 0, sList))
pList.extend(sList)
pList.append(2)
print(len(pList)) | 10
3
11
| 4
2
5
|
<H1>Prime Number</H1>
<p>
Write a program which reads an integer <var>n</var> and prints the number of prime numbers which are less than or equal to <var>n</var>. A prime number is a natural number which has exactly two distinct natural number divisors: 1 and itself. For example, the first four prime numbers are: 2, 3, 5 and 7.
</p>
<H2>Input</H2>
<p>
Input consists of several datasets. Each dataset has an integer <var>n</var> (1 ≤ <var>n</var> ≤ 999,999) in a line.
</p>
<p>
The number of datasets is less than or equal to 30.
</p>
<H2>Output</H2>
<p>
For each dataset, prints the number of prime numbers.
</p>
<H2>Sample Input</H2>
<pre>
10
3
11
</pre>
<H2>Output for the Sample Input</H2>
<pre>
4
2
5
</pre>
|
s211159804 | p00009 | Runtime Error | import sys
import math
lines = str(sys.stdin.read()).strip().split("\n")
for line in lines:
line = int(line)
pList = []
sList = list(reversed(list(range(3, line + 1))[::2]))
while sList[-1] < (int(math.ceil(math.sqrt(line))) + 1):
pList.append(sList.pop())
for p in pList:
sList = list(filter(lambda i: i % p != 0, sList))
pList.extend(sList)
pList.append(2)
print(len(pList)) | 10
3
11
| 4
2
5
|
<H1>Prime Number</H1>
<p>
Write a program which reads an integer <var>n</var> and prints the number of prime numbers which are less than or equal to <var>n</var>. A prime number is a natural number which has exactly two distinct natural number divisors: 1 and itself. For example, the first four prime numbers are: 2, 3, 5 and 7.
</p>
<H2>Input</H2>
<p>
Input consists of several datasets. Each dataset has an integer <var>n</var> (1 ≤ <var>n</var> ≤ 999,999) in a line.
</p>
<p>
The number of datasets is less than or equal to 30.
</p>
<H2>Output</H2>
<p>
For each dataset, prints the number of prime numbers.
</p>
<H2>Sample Input</H2>
<pre>
10
3
11
</pre>
<H2>Output for the Sample Input</H2>
<pre>
4
2
5
</pre>
|
s779529091 | p00009 | Runtime Error | import math
def erastos(n):
n += 1
try:
v = [0 if i % 2 == 0 or i % 3 == 0 or i % 5 == 0 else 1 for i in range(n)]
v[0] = v[1] = 0
v[2] = v[3] = v[5] = 1
except IndexError:
return [0, 0, 1, 1, 0, 1][:n]
sqrt = math.sqrt(n)
for serial in range(3, n, 2):
if serial > sqrt:
return v
for s in range(serial ** 2, n, serial):
v[s] = 0
if __name__ == '__main__':
while True:
n = int(input())
v = erastos(n)
primes = [i for i, b in enumerate(v) if b == True]
print(len(primes)) | 10
3
11
| 4
2
5
|
<H1>Prime Number</H1>
<p>
Write a program which reads an integer <var>n</var> and prints the number of prime numbers which are less than or equal to <var>n</var>. A prime number is a natural number which has exactly two distinct natural number divisors: 1 and itself. For example, the first four prime numbers are: 2, 3, 5 and 7.
</p>
<H2>Input</H2>
<p>
Input consists of several datasets. Each dataset has an integer <var>n</var> (1 ≤ <var>n</var> ≤ 999,999) in a line.
</p>
<p>
The number of datasets is less than or equal to 30.
</p>
<H2>Output</H2>
<p>
For each dataset, prints the number of prime numbers.
</p>
<H2>Sample Input</H2>
<pre>
10
3
11
</pre>
<H2>Output for the Sample Input</H2>
<pre>
4
2
5
</pre>
|
s091456248 | p00009 | Runtime Error | #coding:utf-8
import time
import math
import numpy as np
def flatten(L):
if isinstance(L, list):
if L == []:
return []
else:
return flatten(L[0]) + flatten(L[1:])
else:
return [L]
def Eratos(data):
p_list = [] # ????????????
tmp = []
num = int(math.sqrt(len(data)))+1
for i in data:
i=data[0]
if i>num:
break
else:
p_list.append(i)
for j in data:
if j%i == 0:
data.remove(j)
p_list.append(data)
return p_list
x = int(input())
r_list = list(range(2,(x+1)))
ans = []
ans = Eratos(r_list)
print("prime numbers is ")
print(len(flatten(ans))) | 10
3
11
| 4
2
5
|
<H1>Prime Number</H1>
<p>
Write a program which reads an integer <var>n</var> and prints the number of prime numbers which are less than or equal to <var>n</var>. A prime number is a natural number which has exactly two distinct natural number divisors: 1 and itself. For example, the first four prime numbers are: 2, 3, 5 and 7.
</p>
<H2>Input</H2>
<p>
Input consists of several datasets. Each dataset has an integer <var>n</var> (1 ≤ <var>n</var> ≤ 999,999) in a line.
</p>
<p>
The number of datasets is less than or equal to 30.
</p>
<H2>Output</H2>
<p>
For each dataset, prints the number of prime numbers.
</p>
<H2>Sample Input</H2>
<pre>
10
3
11
</pre>
<H2>Output for the Sample Input</H2>
<pre>
4
2
5
</pre>
|
s297726822 | p00009 | Runtime Error | #coding:utf-8
import time
import math
import numpy as np
def flatten(L):
if isinstance(L, list):
if L == []:
return []
else:
return flatten(L[0]) + flatten(L[1:])
else:
return [L]
def Eratos(data):
p_list = [] # ????????????
tmp = []
num = int(math.sqrt(len(data)))+1
for i in data:
i=data[0]
if i>num:
break
else:
p_list.append(i)
for j in data:
if j%i == 0:
data.remove(j)
p_list.append(data)
return p_list
x = int(input())
r_list = list(range(2,(x+1)))
ans = []
ans = Eratos(r_list)
print(len(flatten(ans))) | 10
3
11
| 4
2
5
|
<H1>Prime Number</H1>
<p>
Write a program which reads an integer <var>n</var> and prints the number of prime numbers which are less than or equal to <var>n</var>. A prime number is a natural number which has exactly two distinct natural number divisors: 1 and itself. For example, the first four prime numbers are: 2, 3, 5 and 7.
</p>
<H2>Input</H2>
<p>
Input consists of several datasets. Each dataset has an integer <var>n</var> (1 ≤ <var>n</var> ≤ 999,999) in a line.
</p>
<p>
The number of datasets is less than or equal to 30.
</p>
<H2>Output</H2>
<p>
For each dataset, prints the number of prime numbers.
</p>
<H2>Sample Input</H2>
<pre>
10
3
11
</pre>
<H2>Output for the Sample Input</H2>
<pre>
4
2
5
</pre>
|
s708756566 | p00009 | Runtime Error | #coding:utf-8
import time
import math
import numpy as np
def flatten(L):
if isinstance(L, list):
if L == []:
return []
else:
return flatten(L[0]) + flatten(L[1:])
else:
return [L]
def Eratos(data):
p_list = []
tmp = []
num = int(math.sqrt(len(data)))+1
for i in data:
i=data[0]
if i>num:
break
else:
p_list.append(i)
for j in data:
if j%i == 0:
data.remove(j)
p_list.append(data)
return p_list
x = int(input())
r_list = list(range(2,(x+1)))
ans = []
ans = Eratos(r_list)
print(len(flatten(ans))) | 10
3
11
| 4
2
5
|
<H1>Prime Number</H1>
<p>
Write a program which reads an integer <var>n</var> and prints the number of prime numbers which are less than or equal to <var>n</var>. A prime number is a natural number which has exactly two distinct natural number divisors: 1 and itself. For example, the first four prime numbers are: 2, 3, 5 and 7.
</p>
<H2>Input</H2>
<p>
Input consists of several datasets. Each dataset has an integer <var>n</var> (1 ≤ <var>n</var> ≤ 999,999) in a line.
</p>
<p>
The number of datasets is less than or equal to 30.
</p>
<H2>Output</H2>
<p>
For each dataset, prints the number of prime numbers.
</p>
<H2>Sample Input</H2>
<pre>
10
3
11
</pre>
<H2>Output for the Sample Input</H2>
<pre>
4
2
5
</pre>
|
s417745086 | p00009 | Runtime Error | import sys
import math
import array from array
M = 1000000
B = int(math.sqrt(M)+1)//6+1
N = M//6
N1 = N+1 if M % 6 == 5 else N
N2 = N+1 if M % 6 >= 1 else N
l = array('I',[1]) * N1
m = array('I',[1]) * N2
i = 5
ini = 4
for p in range(B):
if l[p] == 1:
l[p+i::i] = [0] * len(l[p+i::i])
m[ini-1::i] = [0] * len(m[ini-1::i])
if m[p] == 1:
m[p+i+2::i+2] = [0] * len(m[p+i+2::i+2])
l[ini+1::i+2] = [0] * len(l[ini+1::i+2])
i += 6
ini += 5
for i in sys.stdin:
n = int(i)
r = n-1 if n < 3 else sum(l[0:(n+1)//6])+sum(m[0:(n-1)//6])+2
print(r) | 10
3
11
| 4
2
5
|
<H1>Prime Number</H1>
<p>
Write a program which reads an integer <var>n</var> and prints the number of prime numbers which are less than or equal to <var>n</var>. A prime number is a natural number which has exactly two distinct natural number divisors: 1 and itself. For example, the first four prime numbers are: 2, 3, 5 and 7.
</p>
<H2>Input</H2>
<p>
Input consists of several datasets. Each dataset has an integer <var>n</var> (1 ≤ <var>n</var> ≤ 999,999) in a line.
</p>
<p>
The number of datasets is less than or equal to 30.
</p>
<H2>Output</H2>
<p>
For each dataset, prints the number of prime numbers.
</p>
<H2>Sample Input</H2>
<pre>
10
3
11
</pre>
<H2>Output for the Sample Input</H2>
<pre>
4
2
5
</pre>
|
s706491600 | p00009 | Runtime Error | import sys
import math
from array import array
M = 1000000
B = int(math.sqrt(M)+1)//6+1
N = M//6
N1 = N+1 if M % 6 == 5 else N
N2 = N+1 if M % 6 >= 1 else N
l = array('I',[1]) * N1
m = array('I',[1]) * N2
i = 5
ini = 4
for p in range(B):
if l[p] == 1:
l[p+i::i] = [0] * len(l[p+i::i])
m[ini-1::i] = [0] * len(m[ini-1::i])
if m[p] == 1:
m[p+i+2::i+2] = [0] * len(m[p+i+2::i+2])
l[ini+1::i+2] = [0] * len(l[ini+1::i+2])
i += 6
ini += 5
for i in sys.stdin:
n = int(i)
r = n-1 if n < 3 else sum(l[0:(n+1)//6])+sum(m[0:(n-1)//6])+2
print(r) | 10
3
11
| 4
2
5
|
<H1>Prime Number</H1>
<p>
Write a program which reads an integer <var>n</var> and prints the number of prime numbers which are less than or equal to <var>n</var>. A prime number is a natural number which has exactly two distinct natural number divisors: 1 and itself. For example, the first four prime numbers are: 2, 3, 5 and 7.
</p>
<H2>Input</H2>
<p>
Input consists of several datasets. Each dataset has an integer <var>n</var> (1 ≤ <var>n</var> ≤ 999,999) in a line.
</p>
<p>
The number of datasets is less than or equal to 30.
</p>
<H2>Output</H2>
<p>
For each dataset, prints the number of prime numbers.
</p>
<H2>Sample Input</H2>
<pre>
10
3
11
</pre>
<H2>Output for the Sample Input</H2>
<pre>
4
2
5
</pre>
|
s875245773 | p00009 | Runtime Error | import math
b=[]
b.append(1)
b.append(2)
count=1
s=0
while s<30:
try:
x=int(input())
if x>b[count]:
for i in range(b[count]+1,x+1):
count1=0
for j in range(2,math.sqrt(i)):
if i%j==0:
count1=1
break
if count1==0:
count+=1
b.append(i)
print(count)
else:
for i in range(count+1):
if b[i]>x:
print(i-1)
break
elif b[i]==x:
print(i)
break
s+=1
except EOFError:
break | 10
3
11
| 4
2
5
|
<H1>Prime Number</H1>
<p>
Write a program which reads an integer <var>n</var> and prints the number of prime numbers which are less than or equal to <var>n</var>. A prime number is a natural number which has exactly two distinct natural number divisors: 1 and itself. For example, the first four prime numbers are: 2, 3, 5 and 7.
</p>
<H2>Input</H2>
<p>
Input consists of several datasets. Each dataset has an integer <var>n</var> (1 ≤ <var>n</var> ≤ 999,999) in a line.
</p>
<p>
The number of datasets is less than or equal to 30.
</p>
<H2>Output</H2>
<p>
For each dataset, prints the number of prime numbers.
</p>
<H2>Sample Input</H2>
<pre>
10
3
11
</pre>
<H2>Output for the Sample Input</H2>
<pre>
4
2
5
</pre>
|
s621684000 | p00009 | Runtime Error | import itertools
import math
import sys
??
MAX = 999999
??
??
def sieve_of_eratosthenes(max):
????????is_prime = [True] * (max + 1)
????????is_prime[0] = False
????????is_prime[1] = False
????????for i in range(2, int(math.sqrt(max)) + 1):
????????????????if not is_prime[i]:
????????????????????????continue
????????????????for j in range(i * i, max + 1, i):
????????????????????????is_prime[j] = False
????????return filter(lambda x: is_prime[x], range(max + 1))
??
??
def main():
????????p = list(sieve_of_eratosthenes(MAX))
????????for l in sys.stdin:
????????????????n = int(l)
????????????????print(len(list(itertools.takewhile(lambda x: x <= n, p))))
??
??
if __name__ == '__main__':
????????main() | 10
3
11
| 4
2
5
|
<H1>Prime Number</H1>
<p>
Write a program which reads an integer <var>n</var> and prints the number of prime numbers which are less than or equal to <var>n</var>. A prime number is a natural number which has exactly two distinct natural number divisors: 1 and itself. For example, the first four prime numbers are: 2, 3, 5 and 7.
</p>
<H2>Input</H2>
<p>
Input consists of several datasets. Each dataset has an integer <var>n</var> (1 ≤ <var>n</var> ≤ 999,999) in a line.
</p>
<p>
The number of datasets is less than or equal to 30.
</p>
<H2>Output</H2>
<p>
For each dataset, prints the number of prime numbers.
</p>
<H2>Sample Input</H2>
<pre>
10
3
11
</pre>
<H2>Output for the Sample Input</H2>
<pre>
4
2
5
</pre>
|
s943971620 | p00009 | Runtime Error | t = 0
while t == 0:
total = 0
try:
n = int(input())
except:
break
else:
if n <= 1:
else:
for a in range(2,n):
if n % a == 0:
break
total += 1
print(total) | 10
3
11
| 4
2
5
|
<H1>Prime Number</H1>
<p>
Write a program which reads an integer <var>n</var> and prints the number of prime numbers which are less than or equal to <var>n</var>. A prime number is a natural number which has exactly two distinct natural number divisors: 1 and itself. For example, the first four prime numbers are: 2, 3, 5 and 7.
</p>
<H2>Input</H2>
<p>
Input consists of several datasets. Each dataset has an integer <var>n</var> (1 ≤ <var>n</var> ≤ 999,999) in a line.
</p>
<p>
The number of datasets is less than or equal to 30.
</p>
<H2>Output</H2>
<p>
For each dataset, prints the number of prime numbers.
</p>
<H2>Sample Input</H2>
<pre>
10
3
11
</pre>
<H2>Output for the Sample Input</H2>
<pre>
4
2
5
</pre>
|
s352631614 | p00009 | Runtime Error | while t == 0:
total = 0
try:
n = int(input())
except:
break
else:
if n <= 1:
else:
for a in range(2,n):
if n % a == 0:
break
break
total += 1
print(total) | 10
3
11
| 4
2
5
|
<H1>Prime Number</H1>
<p>
Write a program which reads an integer <var>n</var> and prints the number of prime numbers which are less than or equal to <var>n</var>. A prime number is a natural number which has exactly two distinct natural number divisors: 1 and itself. For example, the first four prime numbers are: 2, 3, 5 and 7.
</p>
<H2>Input</H2>
<p>
Input consists of several datasets. Each dataset has an integer <var>n</var> (1 ≤ <var>n</var> ≤ 999,999) in a line.
</p>
<p>
The number of datasets is less than or equal to 30.
</p>
<H2>Output</H2>
<p>
For each dataset, prints the number of prime numbers.
</p>
<H2>Sample Input</H2>
<pre>
10
3
11
</pre>
<H2>Output for the Sample Input</H2>
<pre>
4
2
5
</pre>
|
s027414281 | p00009 | Runtime Error | while t == 0:
total = 0
try:
n = int(input())
except:
break
else:
print(total) | 10
3
11
| 4
2
5
|
<H1>Prime Number</H1>
<p>
Write a program which reads an integer <var>n</var> and prints the number of prime numbers which are less than or equal to <var>n</var>. A prime number is a natural number which has exactly two distinct natural number divisors: 1 and itself. For example, the first four prime numbers are: 2, 3, 5 and 7.
</p>
<H2>Input</H2>
<p>
Input consists of several datasets. Each dataset has an integer <var>n</var> (1 ≤ <var>n</var> ≤ 999,999) in a line.
</p>
<p>
The number of datasets is less than or equal to 30.
</p>
<H2>Output</H2>
<p>
For each dataset, prints the number of prime numbers.
</p>
<H2>Sample Input</H2>
<pre>
10
3
11
</pre>
<H2>Output for the Sample Input</H2>
<pre>
4
2
5
</pre>
|
s222638203 | p00009 | Runtime Error | while t == 0:
total = 0
try:
n = int(input())
except:
break
else:
print(total) | 10
3
11
| 4
2
5
|
<H1>Prime Number</H1>
<p>
Write a program which reads an integer <var>n</var> and prints the number of prime numbers which are less than or equal to <var>n</var>. A prime number is a natural number which has exactly two distinct natural number divisors: 1 and itself. For example, the first four prime numbers are: 2, 3, 5 and 7.
</p>
<H2>Input</H2>
<p>
Input consists of several datasets. Each dataset has an integer <var>n</var> (1 ≤ <var>n</var> ≤ 999,999) in a line.
</p>
<p>
The number of datasets is less than or equal to 30.
</p>
<H2>Output</H2>
<p>
For each dataset, prints the number of prime numbers.
</p>
<H2>Sample Input</H2>
<pre>
10
3
11
</pre>
<H2>Output for the Sample Input</H2>
<pre>
4
2
5
</pre>
|
s719325391 | p00009 | Runtime Error | while t == 0:
total = 0
try:
n = int(input())
except:
break
else:
print(total) | 10
3
11
| 4
2
5
|
<H1>Prime Number</H1>
<p>
Write a program which reads an integer <var>n</var> and prints the number of prime numbers which are less than or equal to <var>n</var>. A prime number is a natural number which has exactly two distinct natural number divisors: 1 and itself. For example, the first four prime numbers are: 2, 3, 5 and 7.
</p>
<H2>Input</H2>
<p>
Input consists of several datasets. Each dataset has an integer <var>n</var> (1 ≤ <var>n</var> ≤ 999,999) in a line.
</p>
<p>
The number of datasets is less than or equal to 30.
</p>
<H2>Output</H2>
<p>
For each dataset, prints the number of prime numbers.
</p>
<H2>Sample Input</H2>
<pre>
10
3
11
</pre>
<H2>Output for the Sample Input</H2>
<pre>
4
2
5
</pre>
|
s646452472 | p00009 | Runtime Error | t = 0
while t == 0:
total = 0
try:
n = int(input())
except:
break
else:
if n <= 1:
else:
for a in range(2,n):
if n % a == 0:
break
break
total += 1
print(total) | 10
3
11
| 4
2
5
|
<H1>Prime Number</H1>
<p>
Write a program which reads an integer <var>n</var> and prints the number of prime numbers which are less than or equal to <var>n</var>. A prime number is a natural number which has exactly two distinct natural number divisors: 1 and itself. For example, the first four prime numbers are: 2, 3, 5 and 7.
</p>
<H2>Input</H2>
<p>
Input consists of several datasets. Each dataset has an integer <var>n</var> (1 ≤ <var>n</var> ≤ 999,999) in a line.
</p>
<p>
The number of datasets is less than or equal to 30.
</p>
<H2>Output</H2>
<p>
For each dataset, prints the number of prime numbers.
</p>
<H2>Sample Input</H2>
<pre>
10
3
11
</pre>
<H2>Output for the Sample Input</H2>
<pre>
4
2
5
</pre>
|
s419345428 | p00009 | Runtime Error | t = 0
while t == 0:
prime = [2]
try:
n = int(input())
except:
break
#?¨??????\???????????????????¨????
else:
if n == 1:
#1?????????
else:
for a in range(2,n + 1):
#2??\????????????
total = len(prime)
#?´???°?????°?????????
for b in prime:
if a % b = 0:
break
#?´???°??????????????´????????????
else:
if total == 0:
#?´???°?¢?????????????
prime.append(a)
else:
#?´???°??¢?´¢??°??????
total -= 1
print(len(prime)) | 10
3
11
| 4
2
5
|
<H1>Prime Number</H1>
<p>
Write a program which reads an integer <var>n</var> and prints the number of prime numbers which are less than or equal to <var>n</var>. A prime number is a natural number which has exactly two distinct natural number divisors: 1 and itself. For example, the first four prime numbers are: 2, 3, 5 and 7.
</p>
<H2>Input</H2>
<p>
Input consists of several datasets. Each dataset has an integer <var>n</var> (1 ≤ <var>n</var> ≤ 999,999) in a line.
</p>
<p>
The number of datasets is less than or equal to 30.
</p>
<H2>Output</H2>
<p>
For each dataset, prints the number of prime numbers.
</p>
<H2>Sample Input</H2>
<pre>
10
3
11
</pre>
<H2>Output for the Sample Input</H2>
<pre>
4
2
5
</pre>
|
s645769568 | p00009 | Runtime Error | t = 0
while t == 0:
prime = [2]
try:
n = int(input())
except:
break
#?¨??????\???????????????????¨????
else:
if n == 1:
#1?????????
print(0)
else:
for a in range(2,n + 1):
#2??\????????????
total = len(prime)
#?´???°?????°?????????
for b in prime:
if a % b = 0:
break
#?´???°??????????????´????????????
else:
if total == 0:
#?´???°?¢?????????????
prime.append(a)
else:
#?´???°??¢?´¢??°??????
total -= 1
print(len(prime)) | 10
3
11
| 4
2
5
|
<H1>Prime Number</H1>
<p>
Write a program which reads an integer <var>n</var> and prints the number of prime numbers which are less than or equal to <var>n</var>. A prime number is a natural number which has exactly two distinct natural number divisors: 1 and itself. For example, the first four prime numbers are: 2, 3, 5 and 7.
</p>
<H2>Input</H2>
<p>
Input consists of several datasets. Each dataset has an integer <var>n</var> (1 ≤ <var>n</var> ≤ 999,999) in a line.
</p>
<p>
The number of datasets is less than or equal to 30.
</p>
<H2>Output</H2>
<p>
For each dataset, prints the number of prime numbers.
</p>
<H2>Sample Input</H2>
<pre>
10
3
11
</pre>
<H2>Output for the Sample Input</H2>
<pre>
4
2
5
</pre>
|
s819375801 | p00009 | Runtime Error | def is_prime(q):
q = abs(q)
if q == 2: return True
if q < 2 or q&1 == 0: return False
return pow(2, q-1, q) == 1
while t == 0:
try:
x = int(input().split())
except:
break
else:
n = 1
if x == 0 or 1:
print(0)
elif x == 2:
print(1)
else:
for i in range(0,x + 1,2):
if is_prime(i):
n += 1
print(n) | 10
3
11
| 4
2
5
|
<H1>Prime Number</H1>
<p>
Write a program which reads an integer <var>n</var> and prints the number of prime numbers which are less than or equal to <var>n</var>. A prime number is a natural number which has exactly two distinct natural number divisors: 1 and itself. For example, the first four prime numbers are: 2, 3, 5 and 7.
</p>
<H2>Input</H2>
<p>
Input consists of several datasets. Each dataset has an integer <var>n</var> (1 ≤ <var>n</var> ≤ 999,999) in a line.
</p>
<p>
The number of datasets is less than or equal to 30.
</p>
<H2>Output</H2>
<p>
For each dataset, prints the number of prime numbers.
</p>
<H2>Sample Input</H2>
<pre>
10
3
11
</pre>
<H2>Output for the Sample Input</H2>
<pre>
4
2
5
</pre>
|
s446732996 | p00009 | Runtime Error | L = [2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97, 101, 103, 107, 109, 113, 127, 131, 137, 139, 149, 151, 157, 163, 167, 173, 179, 181, 191, 193, 197, 199, 211, 223, 227, 229, 233, 239, 241, 251, 257, 263, 269, 271, 277, 281, 283, 293, 307, 311, 313, 317, 331, 337, 347, 349, 353, 359, 367, 373, 379, 383, 389, 397, 401, 409, 419, 421, 431, 433, 439, 443, 449, 457, 461, 463, 467, 479, 487, 491, 499, 503, 509, 521, 523, 541, 547, 557, 563, 569, 571, 577, 587, 593, 599, 601, 607, 613, 617, 619, 631, 641, 643, 647, 653, 659, 661, 673, 677, 683, 691, 701, 709, 719, 727, 733, 739, 743, 751, 757, 761, 769, 773, 787, 797, 809, 811, 821, 823, 827, 829, 839, 853, 857, 859, 863, 877, 881, 883, 887, 907, 911, 919, 929, 937, 941, 947, 953, 967, 971, 977, 983, 991, 997]
def is_prime_2(n):
a = int(n ** 0.5)
for i in L:
if i > a:return True
if n % i == 0:return False
return True
def prime_count(n):
result = 0
if n >= 2:result+=1
for i in range(3,n+1,2):
if is_prime_2(i):result+=1
return result
while 1:
print(prime_count(int(input()))) | 10
3
11
| 4
2
5
|
<H1>Prime Number</H1>
<p>
Write a program which reads an integer <var>n</var> and prints the number of prime numbers which are less than or equal to <var>n</var>. A prime number is a natural number which has exactly two distinct natural number divisors: 1 and itself. For example, the first four prime numbers are: 2, 3, 5 and 7.
</p>
<H2>Input</H2>
<p>
Input consists of several datasets. Each dataset has an integer <var>n</var> (1 ≤ <var>n</var> ≤ 999,999) in a line.
</p>
<p>
The number of datasets is less than or equal to 30.
</p>
<H2>Output</H2>
<p>
For each dataset, prints the number of prime numbers.
</p>
<H2>Sample Input</H2>
<pre>
10
3
11
</pre>
<H2>Output for the Sample Input</H2>
<pre>
4
2
5
</pre>
|
s053964938 | p00009 | Runtime Error | L = [2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97, 101, 103, 107, 109, 113, 127, 131, 137, 139, 149, 151, 157, 163, 167, 173, 179, 181, 191, 193, 197, 199, 211, 223, 227, 229, 233, 239, 241, 251, 257, 263, 269, 271, 277, 281, 283, 293, 307, 311, 313, 317, 331, 337, 347, 349, 353, 359, 367, 373, 379, 383, 389, 397, 401, 409, 419, 421, 431, 433, 439, 443, 449, 457, 461, 463, 467, 479, 487, 491, 499, 503, 509, 521, 523, 541, 547, 557, 563, 569, 571, 577, 587, 593, 599, 601, 607, 613, 617, 619, 631, 641, 643, 647, 653, 659, 661, 673, 677, 683, 691, 701, 709, 719, 727, 733, 739, 743, 751, 757, 761, 769, 773, 787, 797, 809, 811, 821, 823, 827, 829, 839, 853, 857, 859, 863, 877, 881, 883, 887, 907, 911, 919, 929, 937, 941, 947, 953, 967, 971, 977, 983, 991, 997]
def is_prime_2(n):
a = int(n ** 0.5)
for i in L:
if i > a:return True
if n % i == 0:return False
return True
def prime_count(n):
result = 0
if n >= 2:result+=1
for i in range(3,n+1,2):
if is_prime_2(i):result+=1
return result
while 1:
n=input()
if not n:break
print(prime_count(int(n))) | 10
3
11
| 4
2
5
|
<H1>Prime Number</H1>
<p>
Write a program which reads an integer <var>n</var> and prints the number of prime numbers which are less than or equal to <var>n</var>. A prime number is a natural number which has exactly two distinct natural number divisors: 1 and itself. For example, the first four prime numbers are: 2, 3, 5 and 7.
</p>
<H2>Input</H2>
<p>
Input consists of several datasets. Each dataset has an integer <var>n</var> (1 ≤ <var>n</var> ≤ 999,999) in a line.
</p>
<p>
The number of datasets is less than or equal to 30.
</p>
<H2>Output</H2>
<p>
For each dataset, prints the number of prime numbers.
</p>
<H2>Sample Input</H2>
<pre>
10
3
11
</pre>
<H2>Output for the Sample Input</H2>
<pre>
4
2
5
</pre>
|
s828173659 | p00009 | Runtime Error | MAX = 999999
L = [2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97, 101, 103, 107, 109, 113, 127, 131, 137, 139, 149, 151, 157, 163, 167, 173, 179, 181, 191, 193, 197, 199, 211, 223, 227, 229, 233, 239, 241, 251, 257, 263, 269, 271, 277, 281, 283, 293, 307, 311, 313, 317, 331, 337, 347, 349, 353, 359, 367, 373, 379, 383, 389, 397, 401, 409, 419, 421, 431, 433, 439, 443, 449, 457, 461, 463, 467, 479, 487, 491, 499, 503, 509, 521, 523, 541, 547, 557, 563, 569, 571, 577, 587, 593, 599, 601, 607, 613, 617, 619, 631, 641, 643, 647, 653, 659, 661, 673, 677, 683, 691, 701, 709, 719, 727, 733, 739, 743, 751, 757, 761, 769, 773, 787, 797, 809, 811, 821, 823, 827, 829, 839, 853, 857, 859, 863, 877, 881, 883, 887, 907, 911, 919, 929, 937, 941, 947, 953, 967, 971, 977, 983, 991, 997]
def is_prime(n):
if n == 2:return True
if n % 2 == 0:return False
for i in range(3,int(n**0.5)+1,2):
if n % i == 0:return False
return True
def is_prime_2(n):
a = int(n ** 0.5)
for i in L:
if i > a:return True
if n % i == 0:return False
return True
def prime_count(n):
result = 0
if n >= 2:result+=1
for i in range(3,n+1,2):
if is_prime_2(i):result+=1
return result
def prime_list(n):
result = []
if n >= 2:result.append(2)
for i in range(3,n+1,2):
if is_prime(i):result.append(i)
return result
while 1:
print(prime_count(int(input()))) | 10
3
11
| 4
2
5
|
<H1>Prime Number</H1>
<p>
Write a program which reads an integer <var>n</var> and prints the number of prime numbers which are less than or equal to <var>n</var>. A prime number is a natural number which has exactly two distinct natural number divisors: 1 and itself. For example, the first four prime numbers are: 2, 3, 5 and 7.
</p>
<H2>Input</H2>
<p>
Input consists of several datasets. Each dataset has an integer <var>n</var> (1 ≤ <var>n</var> ≤ 999,999) in a line.
</p>
<p>
The number of datasets is less than or equal to 30.
</p>
<H2>Output</H2>
<p>
For each dataset, prints the number of prime numbers.
</p>
<H2>Sample Input</H2>
<pre>
10
3
11
</pre>
<H2>Output for the Sample Input</H2>
<pre>
4
2
5
</pre>
|
s598761139 | p00009 | Runtime Error | import sys
MAX = 999999
L = [2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97, 101, 103, 107, 109, 113, 127, 131, 137, 139, 149, 151, 157, 163, 167, 173, 179, 181, 191, 193, 197, 199, 211, 223, 227, 229, 233, 239, 241, 251, 257, 263, 269, 271, 277, 281, 283, 293, 307, 311, 313, 317, 331, 337, 347, 349, 353, 359, 367, 373, 379, 383, 389, 397, 401, 409, 419, 421, 431, 433, 439, 443, 449, 457, 461, 463, 467, 479, 487, 491, 499, 503, 509, 521, 523, 541, 547, 557, 563, 569, 571, 577, 587, 593, 599, 601, 607, 613, 617, 619, 631, 641, 643, 647, 653, 659, 661, 673, 677, 683, 691, 701, 709, 719, 727, 733, 739, 743, 751, 757, 761, 769, 773, 787, 797, 809, 811, 821, 823, 827, 829, 839, 853, 857, 859, 863, 877, 881, 883, 887, 907, 911, 919, 929, 937, 941, 947, 953, 967, 971, 977, 983, 991, 997]
def is_prime(n):
if n == 2:return True
if n % 2 == 0:return False
for i in range(3,int(n**0.5)+1,2):
if n % i == 0:return False
return True
def is_prime_2(n):
a = int(n ** 0.5)
for i in L:
if i > a:return True
if n % i == 0:return False
return True
def prime_count(n):
result = 0
if n >= 2:result+=1
for i in range(3,n+1,2):
if is_prime_2(i):result+=1
return result
def prime_list(n):
result = []
if n >= 2:result.append(2)
for i in range(3,n+1,2):
if is_prime(i):result.append(i)
return result
L2 = prime_list(MAX)
def prime_count_2(n):
for i,v in enumerate(n):
if n > v:return i
return len(L2)
for n in sys.stdin:
print(prime_count_2(int(n))) | 10
3
11
| 4
2
5
|
<H1>Prime Number</H1>
<p>
Write a program which reads an integer <var>n</var> and prints the number of prime numbers which are less than or equal to <var>n</var>. A prime number is a natural number which has exactly two distinct natural number divisors: 1 and itself. For example, the first four prime numbers are: 2, 3, 5 and 7.
</p>
<H2>Input</H2>
<p>
Input consists of several datasets. Each dataset has an integer <var>n</var> (1 ≤ <var>n</var> ≤ 999,999) in a line.
</p>
<p>
The number of datasets is less than or equal to 30.
</p>
<H2>Output</H2>
<p>
For each dataset, prints the number of prime numbers.
</p>
<H2>Sample Input</H2>
<pre>
10
3
11
</pre>
<H2>Output for the Sample Input</H2>
<pre>
4
2
5
</pre>
|
s312739487 | p00009 | Runtime Error | import sys
for line im sys.stdin:
lis = []
if line >= 2:
lis.append(2)
if line >= 3:
lis.append(3)
if line >= 5:
for i in xrange(5,line+1,2):
for item in lis:
if item > (i**0.5):
lis.append(i)
break
if i % item == 0:
break
else:
lis.append(i)
print len(lis) | 10
3
11
| 4
2
5
|
<H1>Prime Number</H1>
<p>
Write a program which reads an integer <var>n</var> and prints the number of prime numbers which are less than or equal to <var>n</var>. A prime number is a natural number which has exactly two distinct natural number divisors: 1 and itself. For example, the first four prime numbers are: 2, 3, 5 and 7.
</p>
<H2>Input</H2>
<p>
Input consists of several datasets. Each dataset has an integer <var>n</var> (1 ≤ <var>n</var> ≤ 999,999) in a line.
</p>
<p>
The number of datasets is less than or equal to 30.
</p>
<H2>Output</H2>
<p>
For each dataset, prints the number of prime numbers.
</p>
<H2>Sample Input</H2>
<pre>
10
3
11
</pre>
<H2>Output for the Sample Input</H2>
<pre>
4
2
5
</pre>
|
s215598740 | p00009 | Runtime Error | import sys
N = 999999
lis = []
if N >= 2:
lis.append(2)
if N >= 3:
lis.append(3)
if N >= 5:
for i in xrange(5,N+1,2):
for item in lis:
if item > (i**0.5):
lis.append(i)
break
if i % item == 0:
break
else:
lis.append(i)
dp = [0]*999999
for item in lis:
dp[item-1] += 1
for i in xrange(1,999999):
dp[i] += dp[i-1]
for line in sys.stdin:
num = int(line)
print dp[line-1] | 10
3
11
| 4
2
5
|
<H1>Prime Number</H1>
<p>
Write a program which reads an integer <var>n</var> and prints the number of prime numbers which are less than or equal to <var>n</var>. A prime number is a natural number which has exactly two distinct natural number divisors: 1 and itself. For example, the first four prime numbers are: 2, 3, 5 and 7.
</p>
<H2>Input</H2>
<p>
Input consists of several datasets. Each dataset has an integer <var>n</var> (1 ≤ <var>n</var> ≤ 999,999) in a line.
</p>
<p>
The number of datasets is less than or equal to 30.
</p>
<H2>Output</H2>
<p>
For each dataset, prints the number of prime numbers.
</p>
<H2>Sample Input</H2>
<pre>
10
3
11
</pre>
<H2>Output for the Sample Input</H2>
<pre>
4
2
5
</pre>
|
s297903385 | p00009 | Runtime Error | IsPrimes = [True] * 1000002
IsPimes[0], IsPimes[1] = False, False
for i in range(2, 1001):
if IsPrime[i]:
for j in range(i*i, 1000001, i)
IsPrime[j]= False
cnt = [0] * 1000001
for i in range(1000001):
if IsPimes[i]:
cnt[i] += 1
for i in range(1, 1000001):
cnt[i] += cnt[i-1]
while True:
try:
n = int(raw_input())
print cnt[n]
except EOFError:
break
| 10
3
11
| 4
2
5
|
<H1>Prime Number</H1>
<p>
Write a program which reads an integer <var>n</var> and prints the number of prime numbers which are less than or equal to <var>n</var>. A prime number is a natural number which has exactly two distinct natural number divisors: 1 and itself. For example, the first four prime numbers are: 2, 3, 5 and 7.
</p>
<H2>Input</H2>
<p>
Input consists of several datasets. Each dataset has an integer <var>n</var> (1 ≤ <var>n</var> ≤ 999,999) in a line.
</p>
<p>
The number of datasets is less than or equal to 30.
</p>
<H2>Output</H2>
<p>
For each dataset, prints the number of prime numbers.
</p>
<H2>Sample Input</H2>
<pre>
10
3
11
</pre>
<H2>Output for the Sample Input</H2>
<pre>
4
2
5
</pre>
|
s019762875 | p00009 | Runtime Error | import sys
m=10**6;a=[1]*m;a[0:2]=0,0
for i in range(2,999):
if a[i]>0:
for j in range(i*2,,i):a[j]=0
for i in range(m):a[i]+=a[i-1]
for e in sys.stdin:print(a[int(e)])
| 10
3
11
| 4
2
5
|
<H1>Prime Number</H1>
<p>
Write a program which reads an integer <var>n</var> and prints the number of prime numbers which are less than or equal to <var>n</var>. A prime number is a natural number which has exactly two distinct natural number divisors: 1 and itself. For example, the first four prime numbers are: 2, 3, 5 and 7.
</p>
<H2>Input</H2>
<p>
Input consists of several datasets. Each dataset has an integer <var>n</var> (1 ≤ <var>n</var> ≤ 999,999) in a line.
</p>
<p>
The number of datasets is less than or equal to 30.
</p>
<H2>Output</H2>
<p>
For each dataset, prints the number of prime numbers.
</p>
<H2>Sample Input</H2>
<pre>
10
3
11
</pre>
<H2>Output for the Sample Input</H2>
<pre>
4
2
5
</pre>
|
s282135630 | p00009 | Runtime Error | m=10*6;a=[0]+[1]*m
for i in range(999):
if a[i]:a[i*2+1::i+1]=[0 for e in range(len(li[i*2+1::i+1]))]
for e in sys.stdin:print(len([i for i in li[:int(e)]if i]))
| 10
3
11
| 4
2
5
|
<H1>Prime Number</H1>
<p>
Write a program which reads an integer <var>n</var> and prints the number of prime numbers which are less than or equal to <var>n</var>. A prime number is a natural number which has exactly two distinct natural number divisors: 1 and itself. For example, the first four prime numbers are: 2, 3, 5 and 7.
</p>
<H2>Input</H2>
<p>
Input consists of several datasets. Each dataset has an integer <var>n</var> (1 ≤ <var>n</var> ≤ 999,999) in a line.
</p>
<p>
The number of datasets is less than or equal to 30.
</p>
<H2>Output</H2>
<p>
For each dataset, prints the number of prime numbers.
</p>
<H2>Sample Input</H2>
<pre>
10
3
11
</pre>
<H2>Output for the Sample Input</H2>
<pre>
4
2
5
</pre>
|
s255006453 | p00009 | Runtime Error | import sys
a=[0,0]+[1]*10**6
for i in range(999):
if a[i]:
for j in range(i*2,m,i):a[j]=0
for e in sys.stdin:print(sum(a[:int(e)+1]))
| 10
3
11
| 4
2
5
|
<H1>Prime Number</H1>
<p>
Write a program which reads an integer <var>n</var> and prints the number of prime numbers which are less than or equal to <var>n</var>. A prime number is a natural number which has exactly two distinct natural number divisors: 1 and itself. For example, the first four prime numbers are: 2, 3, 5 and 7.
</p>
<H2>Input</H2>
<p>
Input consists of several datasets. Each dataset has an integer <var>n</var> (1 ≤ <var>n</var> ≤ 999,999) in a line.
</p>
<p>
The number of datasets is less than or equal to 30.
</p>
<H2>Output</H2>
<p>
For each dataset, prints the number of prime numbers.
</p>
<H2>Sample Input</H2>
<pre>
10
3
11
</pre>
<H2>Output for the Sample Input</H2>
<pre>
4
2
5
</pre>
|
s492396062 | p00009 | Runtime Error | a=[0]+[1]*10*6
for i in range(999):
if a[i]:
a[i*2+1::i+1]=[0 for e in range(len(li[i*2+1::i+1]))]
for e in sys.stdin:print(len([i for i in li[:int(e)]if i]))
| 10
3
11
| 4
2
5
|
<H1>Prime Number</H1>
<p>
Write a program which reads an integer <var>n</var> and prints the number of prime numbers which are less than or equal to <var>n</var>. A prime number is a natural number which has exactly two distinct natural number divisors: 1 and itself. For example, the first four prime numbers are: 2, 3, 5 and 7.
</p>
<H2>Input</H2>
<p>
Input consists of several datasets. Each dataset has an integer <var>n</var> (1 ≤ <var>n</var> ≤ 999,999) in a line.
</p>
<p>
The number of datasets is less than or equal to 30.
</p>
<H2>Output</H2>
<p>
For each dataset, prints the number of prime numbers.
</p>
<H2>Sample Input</H2>
<pre>
10
3
11
</pre>
<H2>Output for the Sample Input</H2>
<pre>
4
2
5
</pre>
|
s942031427 | p00009 | Runtime Error | import sys
a=[0,0]+[1]*10**6
for i in range(999):
if a[i]:a[i*2::i]=[0 for j in a[i*2::i]]
for e in sys.stdin:print(len([i for i in li[:int(e)+1]if i]))
| 10
3
11
| 4
2
5
|
<H1>Prime Number</H1>
<p>
Write a program which reads an integer <var>n</var> and prints the number of prime numbers which are less than or equal to <var>n</var>. A prime number is a natural number which has exactly two distinct natural number divisors: 1 and itself. For example, the first four prime numbers are: 2, 3, 5 and 7.
</p>
<H2>Input</H2>
<p>
Input consists of several datasets. Each dataset has an integer <var>n</var> (1 ≤ <var>n</var> ≤ 999,999) in a line.
</p>
<p>
The number of datasets is less than or equal to 30.
</p>
<H2>Output</H2>
<p>
For each dataset, prints the number of prime numbers.
</p>
<H2>Sample Input</H2>
<pre>
10
3
11
</pre>
<H2>Output for the Sample Input</H2>
<pre>
4
2
5
</pre>
|
s482431986 | p00009 | Runtime Error | import sys
a=[0,0]+[1]*10**6
for i in range(999):
if a[i]:a[i*2::i]=[0 for j in a[i*2::i]]
for e in sys.stdin:print(int(e)-len([i for i in li[:int(e)+1]if i]))
| 10
3
11
| 4
2
5
|
<H1>Prime Number</H1>
<p>
Write a program which reads an integer <var>n</var> and prints the number of prime numbers which are less than or equal to <var>n</var>. A prime number is a natural number which has exactly two distinct natural number divisors: 1 and itself. For example, the first four prime numbers are: 2, 3, 5 and 7.
</p>
<H2>Input</H2>
<p>
Input consists of several datasets. Each dataset has an integer <var>n</var> (1 ≤ <var>n</var> ≤ 999,999) in a line.
</p>
<p>
The number of datasets is less than or equal to 30.
</p>
<H2>Output</H2>
<p>
For each dataset, prints the number of prime numbers.
</p>
<H2>Sample Input</H2>
<pre>
10
3
11
</pre>
<H2>Output for the Sample Input</H2>
<pre>
4
2
5
</pre>
|
s158467700 | p00009 | Runtime Error | import sys
a=[1]*500000
for i in range(3,999,2):
x=i*i;if a[i]:a[x//2::i]=[0]*len(a[x//2::i])
for e in map(int,sys.stdin):print([e-1,sum(a[:(e+1)//2])+1][e>4])
| 10
3
11
| 4
2
5
|
<H1>Prime Number</H1>
<p>
Write a program which reads an integer <var>n</var> and prints the number of prime numbers which are less than or equal to <var>n</var>. A prime number is a natural number which has exactly two distinct natural number divisors: 1 and itself. For example, the first four prime numbers are: 2, 3, 5 and 7.
</p>
<H2>Input</H2>
<p>
Input consists of several datasets. Each dataset has an integer <var>n</var> (1 ≤ <var>n</var> ≤ 999,999) in a line.
</p>
<p>
The number of datasets is less than or equal to 30.
</p>
<H2>Output</H2>
<p>
For each dataset, prints the number of prime numbers.
</p>
<H2>Sample Input</H2>
<pre>
10
3
11
</pre>
<H2>Output for the Sample Input</H2>
<pre>
4
2
5
</pre>
|
s088128215 | p00009 | Runtime Error | import sys
m=166666;s=[1]*m;t=[1]*m
for i in range(m):
for j in range(2):
if (s[i],t[i])[j]:
k=6*i+[5,7][j];n=[i+k,k-i-2]
s[n[i]::k]=[0]*len(s[n[i]::k])
t[n[1-i]::k]=[0]*len(t[n[1-i]::k])
for e in map(int,sys.stdin):
print([e-1,sum(s[:(e+1)//6])+sum(t[:(e-1)//6])+2)[e>3])
| 10
3
11
| 4
2
5
|
<H1>Prime Number</H1>
<p>
Write a program which reads an integer <var>n</var> and prints the number of prime numbers which are less than or equal to <var>n</var>. A prime number is a natural number which has exactly two distinct natural number divisors: 1 and itself. For example, the first four prime numbers are: 2, 3, 5 and 7.
</p>
<H2>Input</H2>
<p>
Input consists of several datasets. Each dataset has an integer <var>n</var> (1 ≤ <var>n</var> ≤ 999,999) in a line.
</p>
<p>
The number of datasets is less than or equal to 30.
</p>
<H2>Output</H2>
<p>
For each dataset, prints the number of prime numbers.
</p>
<H2>Sample Input</H2>
<pre>
10
3
11
</pre>
<H2>Output for the Sample Input</H2>
<pre>
4
2
5
</pre>
|
s965507468 | p00009 | Runtime Error | import sys
m=166666;s=[1]*m;t=[1]*m
for i in range(m):
for j in range(2):
if (s[i],t[i])[j]:
k=6*i+[5,7][j];n=[i+k,k-i-2]
s[n[i]::k]=[0]*len(s[n[i]::k])
t[n[1-i]::k]=[0]*len(t[n[1-i]::k])
for e in map(int,sys.stdin):
print([e-1,sum(s[:(e+1)//6])+sum(t[:(e-1)//6])+2][e>3])
| 10
3
11
| 4
2
5
|
<H1>Prime Number</H1>
<p>
Write a program which reads an integer <var>n</var> and prints the number of prime numbers which are less than or equal to <var>n</var>. A prime number is a natural number which has exactly two distinct natural number divisors: 1 and itself. For example, the first four prime numbers are: 2, 3, 5 and 7.
</p>
<H2>Input</H2>
<p>
Input consists of several datasets. Each dataset has an integer <var>n</var> (1 ≤ <var>n</var> ≤ 999,999) in a line.
</p>
<p>
The number of datasets is less than or equal to 30.
</p>
<H2>Output</H2>
<p>
For each dataset, prints the number of prime numbers.
</p>
<H2>Sample Input</H2>
<pre>
10
3
11
</pre>
<H2>Output for the Sample Input</H2>
<pre>
4
2
5
</pre>
|
s342927557 | p00009 | Runtime Error | import sys
a=[1]*500000
[a[(i*i)//2::i]=[0]*len(a[(i*i)//2::i])for i in range(3,999,2)if a[i//2]]
[print([e-1,sum(a[:(e+1)//2])][e>3])for e in map(int,sys.stdin)]
| 10
3
11
| 4
2
5
|
<H1>Prime Number</H1>
<p>
Write a program which reads an integer <var>n</var> and prints the number of prime numbers which are less than or equal to <var>n</var>. A prime number is a natural number which has exactly two distinct natural number divisors: 1 and itself. For example, the first four prime numbers are: 2, 3, 5 and 7.
</p>
<H2>Input</H2>
<p>
Input consists of several datasets. Each dataset has an integer <var>n</var> (1 ≤ <var>n</var> ≤ 999,999) in a line.
</p>
<p>
The number of datasets is less than or equal to 30.
</p>
<H2>Output</H2>
<p>
For each dataset, prints the number of prime numbers.
</p>
<H2>Sample Input</H2>
<pre>
10
3
11
</pre>
<H2>Output for the Sample Input</H2>
<pre>
4
2
5
</pre>
|
s137944100 | p00009 | Runtime Error | from sys import stdin
def isprime(n):
from math import floor,sqrt
if n <= 1:
return False
for i in range(2,floor(sqrt(n))+1):
if n % i == 0:
return False
return True
N = []
for line in stdin:
N.append(int(line))
for i in N:
ans = 0
for j in i:
if isprime(j):
ans += 1
print(ans)
| 10
3
11
| 4
2
5
|
<H1>Prime Number</H1>
<p>
Write a program which reads an integer <var>n</var> and prints the number of prime numbers which are less than or equal to <var>n</var>. A prime number is a natural number which has exactly two distinct natural number divisors: 1 and itself. For example, the first four prime numbers are: 2, 3, 5 and 7.
</p>
<H2>Input</H2>
<p>
Input consists of several datasets. Each dataset has an integer <var>n</var> (1 ≤ <var>n</var> ≤ 999,999) in a line.
</p>
<p>
The number of datasets is less than or equal to 30.
</p>
<H2>Output</H2>
<p>
For each dataset, prints the number of prime numbers.
</p>
<H2>Sample Input</H2>
<pre>
10
3
11
</pre>
<H2>Output for the Sample Input</H2>
<pre>
4
2
5
</pre>
|
s579411616 | p00009 | Runtime Error | import math
def Eratos(n):
primes = [2]
if n % 2 == 0:
num = [2*i+1 for i in range(1,n/2)]
else:
num = [2*i+1 for i in range(1,(n+1)/2)]
tmp = []
top = 1
while top < math.sqrt(n):
top = num[0]
for i in range(1,len(num)):
if num[i] % top != 0:
tmp.append(num[i])
num = tmp
tmp = []
primes.append(top)
for i in range(len(num)):
primes.append(num[i])
return primes
def list_count(list_a,n):
cont = 0
for i in range(len(list_a)):
if list_a[i] > n:
break
else:
cont += 1
return cont
primes = Eratos(1000000)
while True:
try:
n = int(input())
print(list_count(primes,n))
except EOFError:
break
| 10
3
11
| 4
2
5
|
<H1>Prime Number</H1>
<p>
Write a program which reads an integer <var>n</var> and prints the number of prime numbers which are less than or equal to <var>n</var>. A prime number is a natural number which has exactly two distinct natural number divisors: 1 and itself. For example, the first four prime numbers are: 2, 3, 5 and 7.
</p>
<H2>Input</H2>
<p>
Input consists of several datasets. Each dataset has an integer <var>n</var> (1 ≤ <var>n</var> ≤ 999,999) in a line.
</p>
<p>
The number of datasets is less than or equal to 30.
</p>
<H2>Output</H2>
<p>
For each dataset, prints the number of prime numbers.
</p>
<H2>Sample Input</H2>
<pre>
10
3
11
</pre>
<H2>Output for the Sample Input</H2>
<pre>
4
2
5
</pre>
|
s001944014 | p00009 | Runtime Error | import math
while True:
try:
r = int(input())
A = [i for i in range(2, r+1)]
P = []
time = 0
while True:
prime = min(A)
if prime > math.sqrt(r):
break
P.append(prime)
i = 0
while i < len(A):
if A[i] % prime == 0:
A.pop(i)
continue
i += 1
for a in A:
P.append(a)
print(len(P))
except EOFError:
break
| 10
3
11
| 4
2
5
|
<H1>Prime Number</H1>
<p>
Write a program which reads an integer <var>n</var> and prints the number of prime numbers which are less than or equal to <var>n</var>. A prime number is a natural number which has exactly two distinct natural number divisors: 1 and itself. For example, the first four prime numbers are: 2, 3, 5 and 7.
</p>
<H2>Input</H2>
<p>
Input consists of several datasets. Each dataset has an integer <var>n</var> (1 ≤ <var>n</var> ≤ 999,999) in a line.
</p>
<p>
The number of datasets is less than or equal to 30.
</p>
<H2>Output</H2>
<p>
For each dataset, prints the number of prime numbers.
</p>
<H2>Sample Input</H2>
<pre>
10
3
11
</pre>
<H2>Output for the Sample Input</H2>
<pre>
4
2
5
</pre>
|
s876875249 | p00009 | Runtime Error | import math
try:
while True:
r = int(input())
A = [i for i in range(2, r+1)]
P = []
time = 0
while True:
prime = min(A)
if prime > math.sqrt(r):
break
P.append(prime)
i = 0
while i < len(A):
if A[i] % prime == 0:
A.pop(i)
continue
i += 1
for a in A:
P.append(a)
print(len(P))
except EOFError:
pass
| 10
3
11
| 4
2
5
|
<H1>Prime Number</H1>
<p>
Write a program which reads an integer <var>n</var> and prints the number of prime numbers which are less than or equal to <var>n</var>. A prime number is a natural number which has exactly two distinct natural number divisors: 1 and itself. For example, the first four prime numbers are: 2, 3, 5 and 7.
</p>
<H2>Input</H2>
<p>
Input consists of several datasets. Each dataset has an integer <var>n</var> (1 ≤ <var>n</var> ≤ 999,999) in a line.
</p>
<p>
The number of datasets is less than or equal to 30.
</p>
<H2>Output</H2>
<p>
For each dataset, prints the number of prime numbers.
</p>
<H2>Sample Input</H2>
<pre>
10
3
11
</pre>
<H2>Output for the Sample Input</H2>
<pre>
4
2
5
</pre>
|
s587287846 | p00009 | Runtime Error | import numpy as np
while 1:
num = int(input())
n = [] #素数をかくのするためのリスト
li = [] #2から入力された値までのすべての数を格納するリスト
#2から入力された値までのすべての数を格納
li = [i for i in range(2,num+1)]
#liリストの0番目が入力された値の平方根以下になるまでloop
while li[0] <= int(np.sqrt(num)):
n.append(li[0]) #nリストにliリストの0番目を追加
sss = li[0] #sssにliリストの0番目を格納
li = [i for i in li if i % sss != 0] #素数判定
n.extend(li) #liリストに残った数を素数としてnリストに格納
print(len(n))
| 10
3
11
| 4
2
5
|
<H1>Prime Number</H1>
<p>
Write a program which reads an integer <var>n</var> and prints the number of prime numbers which are less than or equal to <var>n</var>. A prime number is a natural number which has exactly two distinct natural number divisors: 1 and itself. For example, the first four prime numbers are: 2, 3, 5 and 7.
</p>
<H2>Input</H2>
<p>
Input consists of several datasets. Each dataset has an integer <var>n</var> (1 ≤ <var>n</var> ≤ 999,999) in a line.
</p>
<p>
The number of datasets is less than or equal to 30.
</p>
<H2>Output</H2>
<p>
For each dataset, prints the number of prime numbers.
</p>
<H2>Sample Input</H2>
<pre>
10
3
11
</pre>
<H2>Output for the Sample Input</H2>
<pre>
4
2
5
</pre>
|
s013273600 | p00009 | Runtime Error | def prime_calc(n):
if n < 2:
return 0
else:
i = 2
while i*i <= n:
if n % i == 0:
return 0
else:
i = i + 1
return 1
def prime(n):
cnt = 0
for i in range(1, n+1):
ans = prime_calc(i)
if ans == 1:
cnt = cnt + 1
return cnt
def main():
l = []
for line in sys.stdin:
l.append(int(line))
for line in l:
print(prime(line))
if __name__ == "__main__":
main()
| 10
3
11
| 4
2
5
|
<H1>Prime Number</H1>
<p>
Write a program which reads an integer <var>n</var> and prints the number of prime numbers which are less than or equal to <var>n</var>. A prime number is a natural number which has exactly two distinct natural number divisors: 1 and itself. For example, the first four prime numbers are: 2, 3, 5 and 7.
</p>
<H2>Input</H2>
<p>
Input consists of several datasets. Each dataset has an integer <var>n</var> (1 ≤ <var>n</var> ≤ 999,999) in a line.
</p>
<p>
The number of datasets is less than or equal to 30.
</p>
<H2>Output</H2>
<p>
For each dataset, prints the number of prime numbers.
</p>
<H2>Sample Input</H2>
<pre>
10
3
11
</pre>
<H2>Output for the Sample Input</H2>
<pre>
4
2
5
</pre>
|
s474841358 | p00009 | Runtime Error | import argparser
def prime_calc(n):
if n < 2:
return 0
else:
i = 2
while i*i <= n:
if n % i == 0:
return 0
else:
i = i + 1
return 1
def prime(n):
cnt = 0
for i in range(1, n+1):
ans = prime_calc(i)
if ans == 1:
cnt = cnt + 1
return cnt
def main():
l = []
parser = argparse.ArgumentParser()
parser.add_argument("filename", help="The filename to be processed")
args = parser.parse_args()
if args.filename:
with open(args.filename) as f:
for line in f:
a = int(line.rstrip())
l.append(a)
for line in l:
print(prime(line))
if __name__ == "__main__":
main()
| 10
3
11
| 4
2
5
|
<H1>Prime Number</H1>
<p>
Write a program which reads an integer <var>n</var> and prints the number of prime numbers which are less than or equal to <var>n</var>. A prime number is a natural number which has exactly two distinct natural number divisors: 1 and itself. For example, the first four prime numbers are: 2, 3, 5 and 7.
</p>
<H2>Input</H2>
<p>
Input consists of several datasets. Each dataset has an integer <var>n</var> (1 ≤ <var>n</var> ≤ 999,999) in a line.
</p>
<p>
The number of datasets is less than or equal to 30.
</p>
<H2>Output</H2>
<p>
For each dataset, prints the number of prime numbers.
</p>
<H2>Sample Input</H2>
<pre>
10
3
11
</pre>
<H2>Output for the Sample Input</H2>
<pre>
4
2
5
</pre>
|
s634828564 | p00009 | Runtime Error | import argparse
def prime_calc(n):
if n < 2:
return 0
else:
i = 2
while i*i <= n:
if n % i == 0:
return 0
else:
i = i + 1
return 1
def prime(n):
cnt = 0
for i in range(1, n+1):
ans = prime_calc(i)
if ans == 1:
cnt = cnt + 1
return cnt
def main():
l = []
parser = argparse.ArgumentParser()
parser.add_argument("filename", help="The filename to be processed")
args = parser.parse_args()
if args.filename:
with open(args.filename) as f:
for line in f:
a = int(line.rstrip())
l.append(a)
for line in l:
print(prime(line))
if __name__ == "__main__":
main()
| 10
3
11
| 4
2
5
|
<H1>Prime Number</H1>
<p>
Write a program which reads an integer <var>n</var> and prints the number of prime numbers which are less than or equal to <var>n</var>. A prime number is a natural number which has exactly two distinct natural number divisors: 1 and itself. For example, the first four prime numbers are: 2, 3, 5 and 7.
</p>
<H2>Input</H2>
<p>
Input consists of several datasets. Each dataset has an integer <var>n</var> (1 ≤ <var>n</var> ≤ 999,999) in a line.
</p>
<p>
The number of datasets is less than or equal to 30.
</p>
<H2>Output</H2>
<p>
For each dataset, prints the number of prime numbers.
</p>
<H2>Sample Input</H2>
<pre>
10
3
11
</pre>
<H2>Output for the Sample Input</H2>
<pre>
4
2
5
</pre>
|
s985793080 | p00009 | Runtime Error | import sys
def prime_calc(n):
if n < 2:
return False
else:
i = 2
while n > i:
if n % i == 0:
return False
else:
i += 1
return True
def prime(n):
cnt = 0
for i in range(0, n+1):
ans = prime_calc(i)
if ans is True:
cnt = cnt + 1
return cnt
def main():
a = []
for line in sys.stdin:
a.append(int(line))
for line in l:
print(prime(line))
if __name__ == "__main__":
main()
| 10
3
11
| 4
2
5
|
<H1>Prime Number</H1>
<p>
Write a program which reads an integer <var>n</var> and prints the number of prime numbers which are less than or equal to <var>n</var>. A prime number is a natural number which has exactly two distinct natural number divisors: 1 and itself. For example, the first four prime numbers are: 2, 3, 5 and 7.
</p>
<H2>Input</H2>
<p>
Input consists of several datasets. Each dataset has an integer <var>n</var> (1 ≤ <var>n</var> ≤ 999,999) in a line.
</p>
<p>
The number of datasets is less than or equal to 30.
</p>
<H2>Output</H2>
<p>
For each dataset, prints the number of prime numbers.
</p>
<H2>Sample Input</H2>
<pre>
10
3
11
</pre>
<H2>Output for the Sample Input</H2>
<pre>
4
2
5
</pre>
|
s169277116 | p00009 | Runtime Error | import
def prime_calc(n):
if n < 2:
return False
else:
i = 2
while n > i:
if n % i == 0:
return False
else:
i += 1
return True
def prime(n):
cnt = 0
for i in range(0, n+1):
ans = prime_calc(i)
if ans is True:
cnt = cnt + 1
return cnt
def main():
a = []
for line in sys.stdin:
a.append(int(line))
for line in a:
print(prime(line))
if __name__ == "__main__":
main()
| 10
3
11
| 4
2
5
|
<H1>Prime Number</H1>
<p>
Write a program which reads an integer <var>n</var> and prints the number of prime numbers which are less than or equal to <var>n</var>. A prime number is a natural number which has exactly two distinct natural number divisors: 1 and itself. For example, the first four prime numbers are: 2, 3, 5 and 7.
</p>
<H2>Input</H2>
<p>
Input consists of several datasets. Each dataset has an integer <var>n</var> (1 ≤ <var>n</var> ≤ 999,999) in a line.
</p>
<p>
The number of datasets is less than or equal to 30.
</p>
<H2>Output</H2>
<p>
For each dataset, prints the number of prime numbers.
</p>
<H2>Sample Input</H2>
<pre>
10
3
11
</pre>
<H2>Output for the Sample Input</H2>
<pre>
4
2
5
</pre>
|
s139759054 | p00009 | Runtime Error | import argparse
def prime_calc(n):
if n < 2:
return False
else:
i = 2
while n > i:
if n % i == 0:
return False
else:
i += 1
return True
def prime(n):
cnt = 0
for i in range(0, n+1):
ans = prime_calc(i)
if ans is True:
cnt = cnt + 1
return cnt
def main():
l = []
parser = argparse.ArgumentParser()
parser.add_argument("filename", help="The filename to be processed")
args = parser.parse_args()
if args.filename:
with open(args.filename) as f:
for line in f:
a = int(line.rstrip())
l.append(a)
for line in l:
print(prime(line))
if __name__ == "__main__":
main()
| 10
3
11
| 4
2
5
|
<H1>Prime Number</H1>
<p>
Write a program which reads an integer <var>n</var> and prints the number of prime numbers which are less than or equal to <var>n</var>. A prime number is a natural number which has exactly two distinct natural number divisors: 1 and itself. For example, the first four prime numbers are: 2, 3, 5 and 7.
</p>
<H2>Input</H2>
<p>
Input consists of several datasets. Each dataset has an integer <var>n</var> (1 ≤ <var>n</var> ≤ 999,999) in a line.
</p>
<p>
The number of datasets is less than or equal to 30.
</p>
<H2>Output</H2>
<p>
For each dataset, prints the number of prime numbers.
</p>
<H2>Sample Input</H2>
<pre>
10
3
11
</pre>
<H2>Output for the Sample Input</H2>
<pre>
4
2
5
</pre>
|
s350167879 | p00009 | Runtime Error | t =[]
for n in range(2,10000):
for x in range(2,n):
if n % x == 0:
break
else:
t.append(n)
while True:
try:
b=0
a = int(input())
for b in range(10000):
if t[b] > a:
print len(t[0:b])
break
except EOFError:
break | 10
3
11
| 4
2
5
|
<H1>Prime Number</H1>
<p>
Write a program which reads an integer <var>n</var> and prints the number of prime numbers which are less than or equal to <var>n</var>. A prime number is a natural number which has exactly two distinct natural number divisors: 1 and itself. For example, the first four prime numbers are: 2, 3, 5 and 7.
</p>
<H2>Input</H2>
<p>
Input consists of several datasets. Each dataset has an integer <var>n</var> (1 ≤ <var>n</var> ≤ 999,999) in a line.
</p>
<p>
The number of datasets is less than or equal to 30.
</p>
<H2>Output</H2>
<p>
For each dataset, prints the number of prime numbers.
</p>
<H2>Sample Input</H2>
<pre>
10
3
11
</pre>
<H2>Output for the Sample Input</H2>
<pre>
4
2
5
</pre>
|
s133269875 | p00009 | Runtime Error | t = []
for a in range(2,10000):
for n in range(2,a):
if a % n == 0:
break
else:
t.append(a)
while True:
try:
z = int(input())
for w in range(1000000):
if t[w] > z:
break
print len(t[0:w])
except EOFError:
break | 10
3
11
| 4
2
5
|
<H1>Prime Number</H1>
<p>
Write a program which reads an integer <var>n</var> and prints the number of prime numbers which are less than or equal to <var>n</var>. A prime number is a natural number which has exactly two distinct natural number divisors: 1 and itself. For example, the first four prime numbers are: 2, 3, 5 and 7.
</p>
<H2>Input</H2>
<p>
Input consists of several datasets. Each dataset has an integer <var>n</var> (1 ≤ <var>n</var> ≤ 999,999) in a line.
</p>
<p>
The number of datasets is less than or equal to 30.
</p>
<H2>Output</H2>
<p>
For each dataset, prints the number of prime numbers.
</p>
<H2>Sample Input</H2>
<pre>
10
3
11
</pre>
<H2>Output for the Sample Input</H2>
<pre>
4
2
5
</pre>
|
s678806407 | p00009 | Runtime Error | t =[]
for n in range(2,10000):
for x in range(2,n):
if n % x == 0:
break
else:
t.append(n)
while True:
try:
a = int(input())
for b in range(100000):
if t[b] >= a:
break
print len((t[0:b]))
except EOFError:
break | 10
3
11
| 4
2
5
|
<H1>Prime Number</H1>
<p>
Write a program which reads an integer <var>n</var> and prints the number of prime numbers which are less than or equal to <var>n</var>. A prime number is a natural number which has exactly two distinct natural number divisors: 1 and itself. For example, the first four prime numbers are: 2, 3, 5 and 7.
</p>
<H2>Input</H2>
<p>
Input consists of several datasets. Each dataset has an integer <var>n</var> (1 ≤ <var>n</var> ≤ 999,999) in a line.
</p>
<p>
The number of datasets is less than or equal to 30.
</p>
<H2>Output</H2>
<p>
For each dataset, prints the number of prime numbers.
</p>
<H2>Sample Input</H2>
<pre>
10
3
11
</pre>
<H2>Output for the Sample Input</H2>
<pre>
4
2
5
</pre>
|
s575702993 | p00009 | Runtime Error | # -*- coding: utf-8 -*-
while True:
try:
n = int(raw_input())
list1 = range(2, n)
list2 = []
while True:
i = list1.pop(0)
list2.append(i)
for x in list1:
if x % i == 0:
list1.remove(x)
if i**2 > list1[::-1][0]:
break
print(len(list2 + list1))
except EOFError:
break | 10
3
11
| 4
2
5
|
<H1>Prime Number</H1>
<p>
Write a program which reads an integer <var>n</var> and prints the number of prime numbers which are less than or equal to <var>n</var>. A prime number is a natural number which has exactly two distinct natural number divisors: 1 and itself. For example, the first four prime numbers are: 2, 3, 5 and 7.
</p>
<H2>Input</H2>
<p>
Input consists of several datasets. Each dataset has an integer <var>n</var> (1 ≤ <var>n</var> ≤ 999,999) in a line.
</p>
<p>
The number of datasets is less than or equal to 30.
</p>
<H2>Output</H2>
<p>
For each dataset, prints the number of prime numbers.
</p>
<H2>Sample Input</H2>
<pre>
10
3
11
</pre>
<H2>Output for the Sample Input</H2>
<pre>
4
2
5
</pre>
|
s637527336 | p00009 | Runtime Error | # -*- coding: utf-8 -*-
while True:
try:
n = int(raw_input())
if n < 3:
print(0)
continue
list1 = range(2, n)
list2 = []
while True:
i = list1.pop(0)
list2.append(i)
for x in list1:
if x % i == 0:
list1.remove(x)
if i**2 > list1[::-1][0]:
break
print(len(list2 + list1))
except EOFError:
break | 10
3
11
| 4
2
5
|
<H1>Prime Number</H1>
<p>
Write a program which reads an integer <var>n</var> and prints the number of prime numbers which are less than or equal to <var>n</var>. A prime number is a natural number which has exactly two distinct natural number divisors: 1 and itself. For example, the first four prime numbers are: 2, 3, 5 and 7.
</p>
<H2>Input</H2>
<p>
Input consists of several datasets. Each dataset has an integer <var>n</var> (1 ≤ <var>n</var> ≤ 999,999) in a line.
</p>
<p>
The number of datasets is less than or equal to 30.
</p>
<H2>Output</H2>
<p>
For each dataset, prints the number of prime numbers.
</p>
<H2>Sample Input</H2>
<pre>
10
3
11
</pre>
<H2>Output for the Sample Input</H2>
<pre>
4
2
5
</pre>
|
s991199099 | p00009 | Runtime Error | import sys
n=10**5
s=[True]*n
s[0]=False
s[1]=False
for x in xrange(2, int(n**0.5)+1):
if s[x]:
for i in xrange(x+x,n,x):
s[i]=False
for x in sys.stdin.readlines():
x=int(x)
cnt=0
for i in xrange(x):
if s[i]:
cnt=cnt+1
print cnt | 10
3
11
| 4
2
5
|
<H1>Prime Number</H1>
<p>
Write a program which reads an integer <var>n</var> and prints the number of prime numbers which are less than or equal to <var>n</var>. A prime number is a natural number which has exactly two distinct natural number divisors: 1 and itself. For example, the first four prime numbers are: 2, 3, 5 and 7.
</p>
<H2>Input</H2>
<p>
Input consists of several datasets. Each dataset has an integer <var>n</var> (1 ≤ <var>n</var> ≤ 999,999) in a line.
</p>
<p>
The number of datasets is less than or equal to 30.
</p>
<H2>Output</H2>
<p>
For each dataset, prints the number of prime numbers.
</p>
<H2>Sample Input</H2>
<pre>
10
3
11
</pre>
<H2>Output for the Sample Input</H2>
<pre>
4
2
5
</pre>
|
s477330240 | p00009 | Runtime Error | import sys
n=10**5
s=[True]*n
s[0]=False
s[1]=False
for x in xrange(2, int(n**0.5)+1):
if s[x]:
for i in xrange(x+x,n,x):
s[i]=False
for x in sys.stdin.readlines():
a=int(x)
cnt=0
for i in xrange(a):
if s[i]:
cnt=cnt+1
print cnt | 10
3
11
| 4
2
5
|
<H1>Prime Number</H1>
<p>
Write a program which reads an integer <var>n</var> and prints the number of prime numbers which are less than or equal to <var>n</var>. A prime number is a natural number which has exactly two distinct natural number divisors: 1 and itself. For example, the first four prime numbers are: 2, 3, 5 and 7.
</p>
<H2>Input</H2>
<p>
Input consists of several datasets. Each dataset has an integer <var>n</var> (1 ≤ <var>n</var> ≤ 999,999) in a line.
</p>
<p>
The number of datasets is less than or equal to 30.
</p>
<H2>Output</H2>
<p>
For each dataset, prints the number of prime numbers.
</p>
<H2>Sample Input</H2>
<pre>
10
3
11
</pre>
<H2>Output for the Sample Input</H2>
<pre>
4
2
5
</pre>
|
s417080556 | p00009 | Runtime Error | import sys
n=10**5+1
s=[True]*n
s[0]=False
s[1]=False
for x in xrange(2, int(n**0.5)+1):
if s[x]:
for i in xrange(x+x,n,x):
s[i]=False
for x in sys.stdin.readlines():
a=int(x)
cnt=0
for i in xrange(a):
if s[i]:
cnt=cnt+1
print cnt | 10
3
11
| 4
2
5
|
<H1>Prime Number</H1>
<p>
Write a program which reads an integer <var>n</var> and prints the number of prime numbers which are less than or equal to <var>n</var>. A prime number is a natural number which has exactly two distinct natural number divisors: 1 and itself. For example, the first four prime numbers are: 2, 3, 5 and 7.
</p>
<H2>Input</H2>
<p>
Input consists of several datasets. Each dataset has an integer <var>n</var> (1 ≤ <var>n</var> ≤ 999,999) in a line.
</p>
<p>
The number of datasets is less than or equal to 30.
</p>
<H2>Output</H2>
<p>
For each dataset, prints the number of prime numbers.
</p>
<H2>Sample Input</H2>
<pre>
10
3
11
</pre>
<H2>Output for the Sample Input</H2>
<pre>
4
2
5
</pre>
|
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