From bd940865c8e47e41d3c513275202a39205274db2 Mon Sep 17 00:00:00 2001
From: Coin de Gamma <cg@corpglory.com>
Date: Sat, 25 Feb 2023 11:28:04 +0000
Subject: [PATCH] 001-ok

---
 001/solution.rs | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

diff --git a/001/solution.rs b/001/solution.rs
index 48100c0..0d65fb7 100644
--- a/001/solution.rs
+++ b/001/solution.rs
@@ -1,5 +1,18 @@
+// https://projecteuler.net/problem=1 
 
 fn main() {
-        println!("hello world");
+        let mut sum = 0;
+        for n in 1..= 999 {
+                if n % 3 == 0 {
+                        sum += n;
+                        // println!("-- # {}", n);
+                }
+
+                if n % 5 == 0 && n % 3 != 0 {
+                        // println!("++ # {}", n);
+                        sum += n;
+                }
+        }
+        println!("{}", sum);
 }