Added solution to problem 7

src/Problems.rs

@@ -12,3 +12,4 @@ pub mod Problem3;
 pub mod Problem4;
 pub mod Problem5;
 pub mod Problem6;
+pub mod Problem7;

src/Problems/Problem7.rs

@@ -0,0 +1,52 @@
+//ProjectEulerRust/src/Problems/Problems7.rs
+//Matthew Ellison
+// Created: 06-15-20
+//Modified: 06-15-20
+//What is the 10001th prime number?
+//Unless otherwise listed all non-standard includes are my own creation and available from https://bibucket.org/Mattrixwv/JavaClasses
+/*
+	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 <https://www.gnu.org/licenses/>.
+*/
+
+
+extern crate myClasses;
+use crate::Problems::Answer::Answer;
+
+
+pub fn getDescription() -> String{
+	"What is the 10001th prime number?".to_string()
+}
+
+pub fn solve() -> Answer{
+	let NUMBER_OF_PRIMES = num::BigInt::from(10001);
+	//Start the timer
+	let mut timer = myClasses::Stopwatch::Stopwatch::new();
+	timer.start();
+
+	//Get all the prime numbers
+	let primes = myClasses::Algorithms::getNumPrimesBig(num::BigInt::new(NUMBER_OF_PRIMES.sign(), NUMBER_OF_PRIMES.to_u32_digits().1));
+
+	//Stop the timer
+	timer.stop();
+
+	//Return the results
+	return Answer::new(format!("The {}th prime number is {}", NUMBER_OF_PRIMES, primes[primes.len() - 1]), timer.getString());
+}
+
+/* Results:
+The 10001th prime number is 104743
+It took 101.113 milliseconds to solve this problem
+*/

src/main.rs

@@ -16,7 +16,7 @@ mod Problems;
 #[derive(PartialEq)]
 enum Selections{EMPTY, SOLVE, DESCRIPTION, LIST, EXIT, SIZE}
 
-static problemNumbers: [u32; 7] = [0, 1, 2, 3, 4, 5, 6];
+static problemNumbers: [u32; 8] = [0, 1, 2, 3, 4, 5, 6, 7];
 
 fn main(){
 	let mut selection = Selections::EMPTY;
@@ -137,6 +137,10 @@ fn solveProblem(problemNumber: u32){
 		println!("{}", Problems::Problem6::getDescription());
 		println!("{}", Problems::Problem6::solve());
 	}
+	else if(problemNumber == 7){
+		println!("{}", Problems::Problem7::getDescription());
+		println!("{}", Problems::Problem7::solve());
+	}
 }
 fn descriptionMenu(){
 	//Give some extra space to print the description
@@ -180,6 +184,9 @@ fn printDescription(problemNumber: u32){
 	else if(problemNumber == 6){
 		println!("{}", Problems::Problem6::getDescription());
 	}
+	else if(problemNumber == 7){
+		println!("{}", Problems::Problem7::getDescription());
+	}
 }
 fn getProblemNumber() -> u32{
 	println!("Enter a problem number: ");