diff --git a/src/Problems.rs b/src/Problems.rs
index 77ccdca..2b55569 100644
--- a/src/Problems.rs
+++ b/src/Problems.rs
@@ -57,14 +57,15 @@ pub mod Problem31;
pub mod Problem32;
pub mod Problem33;
pub mod Problem34;
+pub mod Problem35;
pub mod Problem67;
-pub static problemNumbers: [u32; 36] = [ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,
+pub static problemNumbers: [u32; 37] = [ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,
10, 11, 12, 13, 14, 15, 16, 17, 18, 19,
20, 21, 22, 23, 24, 25, 26, 27, 28, 29,
- 30, 31, 32, 33, 34, 67];
-pub static tooLong: [u32; 7] = [3, 5, 15, 23, 24, 25, 27];
+ 30, 31, 32, 33, 34, 35, 67];
+pub static tooLong: [u32; 8] = [3, 5, 15, 23, 24, 25, 27, 35];
pub fn solveProblem(problemNumber: u32, description: bool, solve: bool) -> Answer::Answer{
let mut answer = Answer::Answer::new("".to_string(), "".to_string(), 0);
@@ -344,6 +345,14 @@ pub fn solveProblem(problemNumber: u32, description: bool, solve: bool) -> Answe
answer = Problem34::solve();
}
}
+ else if(problemNumber == 35){
+ if(description){
+ println!("{}", Problem35::getDescription());
+ }
+ if(solve){
+ answer = Problem35::solve();
+ }
+ }
else if(problemNumber == 67){
if(description){
println!("{}", Problem67::getDescription());
diff --git a/src/Problems/Problem35.rs b/src/Problems/Problem35.rs
new file mode 100644
index 0000000..f01da04
--- /dev/null
+++ b/src/Problems/Problem35.rs
@@ -0,0 +1,88 @@
+//ProjectEulerRust/src/Problems/Problem35.rs
+//Matthew Ellison
+// Created: 06-06-21
+//Modified: 06-06-21
+//How many circular primes are there below one million?
+//Unless otherwise listed all non-standard includes are my own creation and available from https://bibucket.org/Mattrixwv/RustClasses
+/*
+ Copyright (C) 2021 Matthew Ellison
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU Lesser General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with this program. If not, see .
+*/
+
+
+extern crate myClasses;
+use crate::Problems::Answer::Answer;
+
+pub fn getDescription() -> String{
+ "How many circular primes are there below one million?".to_string()
+}
+
+pub fn solve() -> Answer{
+ //Variables
+ //Static variables
+ let maxNum = 999999; //The largest number that we are checking for primes
+ //Instance variables
+ let mut circularPrimes = Vec::::new();
+
+ //Start the timer
+ let mut timer = myClasses::Stopwatch::Stopwatch::new();
+ timer.start();
+
+ //Get all primes under 1,000,000
+ let primes = myClasses::Algorithms::getPrimes(maxNum);
+ //Go through all primes, get all their rotations, and check if those numbers are also primes
+ for num in &primes{
+ let prime = *num;
+ let mut allRotationsPrime = true;
+ //Get all of the rotations of the prime and see if they are also prime
+ let rotations = getRotations(&prime.to_string());
+ for rotation in rotations{
+ let p = rotation.parse::().unwrap();
+ if(!primes.contains(&p)){
+ allRotationsPrime = false;
+ break;
+ }
+ }
+ //If all rotations are prime add it to the list of circular primes
+ if(allRotationsPrime){
+ circularPrimes.push(prime);
+ }
+ }
+
+ //Stop the timer
+ timer.stop();
+
+ return Answer::new(format!("The number of all circular prime numbers under {} is {}", maxNum, circularPrimes.len()), timer.getString(), timer.getNano());
+}
+
+fn getRotations(par1: &String) -> Vec::{
+ let mut string = String::from(par1);
+ let stringCount = String::from(par1).chars().count();
+ let mut rotations = Vec::::new();
+ rotations.push(string.to_string());
+ for _cnt in 1 as usize .. stringCount{
+ let mut tempString = string[1..].to_string();
+ let tempString2 = string[..1].to_owned();
+ tempString.push_str(&tempString2);
+ string = String::from(tempString);
+ rotations.push(string.to_string());
+ }
+ return rotations;
+}
+
+/* Results:
+The number of all circular prime numbers under 999999 is 55
+It took an average of 3.576 seconds to run this problem through 100 iterations
+*/