From a0f92ea1e141bee76fbe585ce2ec285a72276265 Mon Sep 17 00:00:00 2001
From: Ray Slakinski <ray.slakinski@gmail.com>
Date: Tue, 1 Dec 2020 08:14:02 -0500
Subject: [PATCH] day1 solved

---
 2020/day_1/input1      | 200 +++++++++++++++++++++++++++++++++++++++++
 2020/day_1/src/main.rs |  32 ++++++-
 2 files changed, 231 insertions(+), 1 deletion(-)
 create mode 100644 2020/day_1/input1

diff --git a/2020/day_1/input1 b/2020/day_1/input1
new file mode 100644
index 0000000..70e97cb
--- /dev/null
+++ b/2020/day_1/input1
@@ -0,0 +1,200 @@
+2004
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diff --git a/2020/day_1/src/main.rs b/2020/day_1/src/main.rs
index e7a11a9..d1109f8 100644
--- a/2020/day_1/src/main.rs
+++ b/2020/day_1/src/main.rs
@@ -1,3 +1,33 @@
+use std::io::Read;
 fn main() {
-    println!("Hello, world!");
+    let mut file = std::fs::File::open("input1").unwrap();
+    let mut contents = String::new();
+    file.read_to_string(&mut contents).unwrap();
+    let mut v: Vec<i32> = Vec::new();
+    for s in contents.lines() {
+        v.push(s.parse::<i32>().unwrap());
+    }
+    v.sort();
+    let v2 = v.to_vec();
+    for n in v.iter() {
+        for n2 in v2.iter() {
+            let val = n + n2;
+            if val == 2020 {
+                print!("{} + {} = {}\n", n, n2, val);
+                print!("{} * {} = {}\n", n, n2, n * n2);
+            }
+        }
+    }
+    let v3 = v.to_vec();
+    for n in v.iter() {
+        for n2 in v2.iter() {
+            for n3 in v3.iter() {
+                let val = n + n2 + n3;
+                if val == 2020 {
+                    print!("{} + {} + {} = {}\n", n, n2, n3, val);
+                    print!("{} * {} * {} = {}\n", n, n2, n3, n * n2 * n3);
+                }
+            }
+        }
+    }
 }