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formatting source-code for 153fb7b8a5

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2020-05-30 04:02:09 +00:00
parent 92fe9495ec
commit 8a2de9842b
175 changed files with 1671 additions and 3460 deletions
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30
math/prime_factorization.cpp
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@@ -20,43 +20,35 @@ std::vector<std::pair<int, int>> factors;
/** Calculating prime number upto a given range
*/
void SieveOfEratosthenes(int N)
{
void SieveOfEratosthenes(int N) {
// initializes the array isprime
memset(isprime, true, sizeof isprime);
for (int i = 2; i <= N; i++)
{
if (isprime[i])
{
for (int i = 2; i <= N; i++) {
if (isprime[i]) {
for (int j = 2 * i; j <= N; j += i) isprime[j] = false;
}
}
for (int i = 2; i <= N; i++)
{
for (int i = 2; i <= N; i++) {
if (isprime[i])
prime_numbers.push_back(i);
}
}
/** Prime factorization of a number */
void prime_factorization(int num)
{
void prime_factorization(int num) {
int number = num;
for (int i = 0; prime_numbers[i] <= num; i++)
{
for (int i = 0; prime_numbers[i] <= num; i++) {
int count = 0;
// termination condition
if (number == 1)
{
if (number == 1) {
break;
}
while (number % prime_numbers[i] == 0)
{
while (number % prime_numbers[i] == 0) {
count++;
number = number / prime_numbers[i];
}
@@ -67,8 +59,7 @@ void prime_factorization(int num)
}
/** Main program */
int main()
{
int main() {
int num;
std::cout << "\t\tComputes the prime factorization\n\n";
std::cout << "Type in a number: ";
@@ -79,8 +70,7 @@ int main()
prime_factorization(num);
// Prime factors with their powers in the given number in new line
for (auto it : factors)
{
for (auto it : factors) {
std::cout << it.first << " " << it.second << std::endl;
}