diff --git a/src/Problems.rs b/src/Problems.rs
index f50f26c..c1c5780 100644
--- a/src/Problems.rs
+++ b/src/Problems.rs
@@ -52,3 +52,4 @@ pub mod Problem26;
pub mod Problem27;
pub mod Problem28;
pub mod Problem29;
+pub mod Problem30;
diff --git a/src/Problems/Problem30.rs b/src/Problems/Problem30.rs
new file mode 100644
index 0000000..8e2523d
--- /dev/null
+++ b/src/Problems/Problem30.rs
@@ -0,0 +1,80 @@
+//ProjectEulerRust/src/Problems/Problems30.rs
+//Matthew Ellison
+// Created: 06-17-20
+//Modified: 06-17-20
+//Find the sum of all the numbers that can be written as the sum of the fifth powers of their digits.
+//Unless otherwise listed all non-standard includes are my own creation and available from https://bibucket.org/Mattrixwv/RustClasses
+/*
+ Copyright (C) 2020 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{
+ "Find the sum of all the numbers that can be written as the sum of the fifth powers of their digits.".to_string()
+}
+
+pub fn solve() -> Answer{
+ let TOP_NUM = 1_000_000; //This is the largest number that will be checked
+ let BOTTOM_NUM = 2; //Starts with 2 because 0 and 1 don't count
+ let POWER_RAISED = 5; //This is the power that the digits are raised to
+ let mut sumOfFifthNumbers = Vec::::new(); //Sum of the power of the fifth powers of their digits
+
+ //Start the timer
+ let mut timer = myClasses::Stopwatch::Stopwatch::new();
+ timer.start();
+
+ //Start with the lowest number and increment until you reach the largest number
+ for currentNum in BOTTOM_NUM..=TOP_NUM{
+ //Get the digits of the number
+ let digits = getDigits(currentNum);
+ //Get the sum of the powers
+ let mut sumOfPowers = 0;
+ for num in digits{
+ sumOfPowers += num.pow(POWER_RAISED);
+ }
+ //Check if the sum of the powers is the same as the number
+ //If it is add it to the list, otherwise continue to the next number
+ if(sumOfPowers == currentNum){
+ sumOfFifthNumbers.push(currentNum);
+ }
+ }
+
+ //Stop the timer
+ timer.stop();
+
+ //Return the results
+ return Answer::new(format!("The sum of all the numbers that can be written as the sum of the fifth powers of their digits is {}", sumOfFifthNumbers.iter().sum::()), timer.getString());
+}
+//Returns a vector with the individual digits of the number passed to it
+fn getDigits(num: i64) -> Vec::{
+ let mut listOfDigits = Vec::::new(); //This ArrayList holds the individual digits of num
+ //The easiest way to get the individual digits of a number is by converting it to a string
+ let digits = num.to_string();
+ //Start with the first digit, convert it to an integer, store it in the ArrayList, and move to the next digit
+ for character in digits.chars(){
+ listOfDigits.push(character.to_digit(10).unwrap() as i64);
+ }
+ //Return the list of digits
+ return listOfDigits;
+}
+
+/* Results:
+The sum of all the numbers that can be written as the sum of the fifth powers of their digits is 443839
+It took 320.693 milliseconds to solve this problem
+*/
diff --git a/src/main.rs b/src/main.rs
index 91af293..df7492f 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -33,9 +33,10 @@ mod Problems;
#[derive(PartialEq)]
enum Selections{EMPTY, SOLVE, DESCRIPTION, LIST, EXIT, SIZE}
-static problemNumbers: [u32; 30] = [ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,
+static problemNumbers: [u32; 31] = [ 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];
+ 20, 21, 22, 23, 24, 25, 26, 27, 28, 29,
+ 30];
fn main(){
let mut selection = Selections::EMPTY;
@@ -248,6 +249,10 @@ fn solveProblem(problemNumber: u32){
println!("{}", Problems::Problem29::getDescription());
println!("{}", Problems::Problem29::solve());
}
+ else if(problemNumber == 30){
+ println!("{}", Problems::Problem30::getDescription());
+ println!("{}", Problems::Problem30::solve());
+ }
}
fn descriptionMenu(){
//Give some extra space to print the description
@@ -360,6 +365,9 @@ fn printDescription(problemNumber: u32){
else if(problemNumber == 29){
println!("{}", Problems::Problem29::getDescription());
}
+ else if(problemNumber == 30){
+ println!("{}", Problems::Problem30::getDescription());
+ }
}
fn getProblemNumber() -> u32{
println!("Enter a problem number: ");