mirror of
https://bitbucket.org/Mattrixwv/projecteulerrust.git
synced 2025-12-06 17:43:58 -05:00
Added solution to problem 5
This commit is contained in:
@@ -10,3 +10,4 @@ pub mod Problem1;
|
|||||||
pub mod Problem2;
|
pub mod Problem2;
|
||||||
pub mod Problem3;
|
pub mod Problem3;
|
||||||
pub mod Problem4;
|
pub mod Problem4;
|
||||||
|
pub mod Problem5;
|
||||||
|
|||||||
63
src/Problems/Problem5.rs
Normal file
63
src/Problems/Problem5.rs
Normal file
@@ -0,0 +1,63 @@
|
|||||||
|
//ProjectEulerRust/src/Problems/Problems5.rs
|
||||||
|
//Matthew Ellison
|
||||||
|
// Created: 06-15-20
|
||||||
|
//Modified: 06-15-20
|
||||||
|
//What is the smallest positive number that is evenly divisible by all of the numbers from 1 to 20?
|
||||||
|
//Unless otherwise listed all non-standard includes are my own creation and available from https://bibucket.org/Mattrixwv/JavaClasses
|
||||||
|
/*
|
||||||
|
Copyright (C) 2019 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 smallest positive number that is evenly divisible by all of the numbers from 1 to 20?".to_string()
|
||||||
|
}
|
||||||
|
|
||||||
|
pub fn solve() -> Answer{
|
||||||
|
//Start the timer
|
||||||
|
let mut timer = myClasses::Stopwatch::Stopwatch::new();
|
||||||
|
timer.start();
|
||||||
|
|
||||||
|
//Start at 20 because it must at least be divisible by 20. Increment by 2 because it must be an even number to be divisible by 2
|
||||||
|
let mut numFound = false;
|
||||||
|
let mut currentNum = 20;
|
||||||
|
//If the number is < 0 it has overflowed
|
||||||
|
while((currentNum > 0) && (!numFound)){
|
||||||
|
//Start by assuming you found the number (because we throw a flad if we didn't find it)
|
||||||
|
numFound = true;
|
||||||
|
//Step through every number from 1-20 seeing if the current number is divisible by it
|
||||||
|
for divisor in 1..=20{
|
||||||
|
if((currentNum % divisor) != 0){
|
||||||
|
numFound = false;
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
//If you didn't find the correct number then increment by 2
|
||||||
|
if(!numFound){
|
||||||
|
currentNum += 2;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
//Stop the timer
|
||||||
|
timer.stop();
|
||||||
|
|
||||||
|
//Save the results
|
||||||
|
return Answer::new(format!("The smallest positive number evenly divisibly by all number 1-20 is {}", currentNum), timer.getString());
|
||||||
|
}
|
||||||
@@ -16,7 +16,7 @@ mod Problems;
|
|||||||
#[derive(PartialEq)]
|
#[derive(PartialEq)]
|
||||||
enum Selections{EMPTY, SOLVE, DESCRIPTION, LIST, EXIT, SIZE}
|
enum Selections{EMPTY, SOLVE, DESCRIPTION, LIST, EXIT, SIZE}
|
||||||
|
|
||||||
static problemNumbers: [u32; 5] = [0, 1, 2, 3, 4];
|
static problemNumbers: [u32; 6] = [0, 1, 2, 3, 4, 5];
|
||||||
|
|
||||||
fn main(){
|
fn main(){
|
||||||
let mut selection = Selections::EMPTY;
|
let mut selection = Selections::EMPTY;
|
||||||
@@ -129,6 +129,10 @@ fn solveProblem(problemNumber: u32){
|
|||||||
println!("{}", Problems::Problem4::getDescription());
|
println!("{}", Problems::Problem4::getDescription());
|
||||||
println!("{}", Problems::Problem4::solve());
|
println!("{}", Problems::Problem4::solve());
|
||||||
}
|
}
|
||||||
|
else if(problemNumber == 5){
|
||||||
|
println!("{}", Problems::Problem5::getDescription());
|
||||||
|
println!("{}", Problems::Problem5::solve());
|
||||||
|
}
|
||||||
}
|
}
|
||||||
fn descriptionMenu(){
|
fn descriptionMenu(){
|
||||||
//Give some extra space to print the description
|
//Give some extra space to print the description
|
||||||
@@ -166,6 +170,9 @@ fn printDescription(problemNumber: u32){
|
|||||||
else if(problemNumber == 4){
|
else if(problemNumber == 4){
|
||||||
println!("{}", Problems::Problem4::getDescription());
|
println!("{}", Problems::Problem4::getDescription());
|
||||||
}
|
}
|
||||||
|
else if(problemNumber == 5){
|
||||||
|
println!("{}", Problems::Problem5::getDescription());
|
||||||
|
}
|
||||||
}
|
}
|
||||||
fn getProblemNumber() -> u32{
|
fn getProblemNumber() -> u32{
|
||||||
println!("Enter a problem number: ");
|
println!("Enter a problem number: ");
|
||||||
|
|||||||
Reference in New Issue
Block a user