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file rename to standards

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Krishna Vedala 2020-05-25 22:13:39 -04:00
parent 0e3a57ab3f
commit 412d3ff1a2
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1 changed files with 3 additions and 4 deletions
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math/primes_up_to_10^8.cpp → math/primes_up_to_billion.cpp
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@ -1,12 +1,12 @@
#include<iostream>
#include <cstring>
#include <iostream>
char prime[100000000];
void Sieve(int64_t n) {
memset(prime, '1', sizeof(prime)); // intitize '1' to every index
prime[0] = '0'; // 0 is not prime
prime[1] = '0'; // 1 is not prime
prime[0] = '0'; // 0 is not prime
prime[1] = '0'; // 1 is not prime
for (int p = 2; p * p <= n; p++) {
if (prime[p] == '1') {
for (int i = p * p; i <= n; i += p)
@ -15,7 +15,6 @@ void Sieve(int64_t n) {
}
}
int main() {
Sieve(100000000);
int64_t n;