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Diffstat (limited to 'content/math/piLegendre.cpp')
| -rw-r--r-- | content/math/piLegendre.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/content/math/piLegendre.cpp b/content/math/piLegendre.cpp index 46c8584..6401a4f 100644 --- a/content/math/piLegendre.cpp +++ b/content/math/piLegendre.cpp @@ -16,7 +16,7 @@ ll phi(ll n, ll k) { ll pi(ll n) { if (n < N) { // implement this as O(1) lookup for speedup! - return distance(primes.begin(), upper_bound(all(primes), n)); + return ranges::upper_bound(primes, n) - begin(primes); } else { ll k = pi(sqrtl(n) + 1); return n - phi(n, k) + k; |