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Optimized code to reduce time complexity #169

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Optimized code to reduce time complexity #169

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6 changes: 5 additions & 1 deletion General/Prime.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -8,8 +8,12 @@ int main()

cout << "Enter a positive integer: ";
cin >> n;

//factors exist in pair,so traversing till sqrt(n) to reduce time complexity
//Time Complexity: O(sqrt(n))
//Space Complexity:O(1)

for(i = 2; i <= n / 2; ++i)
for(i = 2; i*i<=n; i++)
{
if(n % i == 0)
{
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