first commit

2024-02-07 15:06:50 +01:00
commit af02e453c1
55 changed files with 2166 additions and 0 deletions
--- a/p27/solution.jl
+++ b/p27/solution.jl
@@ -0,0 +1,37 @@
+include("../util/sieve.jl")
+import .erastothenes_sieve: get_sieve, is_prime, get_primes, run
+
+function solution()
+    s = get_sieve()
+    run(s, 1000)
+    amax = 0
+    bmax = 0
+    nmax = 0
+    for a = -999:2:999
+        println("value for a: ", a)
+        for b = get_primes(s, 1000)
+            if a+b > 1
+                n = 0
+                number = n*n+a*n+b
+                while is_prime(s, number)
+                    n += 1
+                    number = n*n+a*n+b
+                end
+                if n > nmax
+                    amax = a
+                    bmax = b
+                    nmax = n
+                    println("found new maximum for:")
+                    println("a= ", a)
+                    println("b= ", b)
+                    println("n= ", n)
+                end
+            end
+        end
+    end
+    println('\n')
+    println("a: ", amax, " b: ", bmax, " n: ", nmax)
+    println(amax*bmax)
+end
+
+solution()