Added solution to problem 10

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2020-06-16 01:24:30 -04:00
parent 579f7765a2
commit 0ef1be37de
3 changed files with 61 additions and 1 deletions

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src/Problems/Problem10.rs Normal file
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//ProjectEulerRust/src/Problems/Problems10.rs
//Matthew Ellison
// Created: 06-15-20
//Modified: 06-15-20
//Find the sum of all the primes below two million
//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 <https://www.gnu.org/licenses/>.
*/
extern crate myClasses;
use crate::Problems::Answer::Answer;
pub fn getDescription() -> String{
"Find the sum of all the primes below two million".to_string()
}
pub fn solve() -> Answer{
let GOAL_NUMBER = 2_000_000;
//Start the timer
let mut timer = myClasses::Stopwatch::Stopwatch::new();
timer.start();
//Get the sum of all prime numbers < GOAL_NUMBER
let sum: i64 = myClasses::Algorithms::getPrimes(GOAL_NUMBER - 1).iter().sum();
//Stop the timer
timer.stop();
//Return the results
return Answer::new(format!("The sum of all the primes < {} is {}", GOAL_NUMBER, sum), timer.getString());
}
/* Results:
The sum of all the primes < 2000000 is 142913828922
It took 157.704 milliseconds to solve this problem
*/