From f6084020f9078a850c23b3a2977ac08a4cea9786 Mon Sep 17 00:00:00 2001
From: Tom Barrett <tom@tombarrett.xyz>
Date: Sun, 7 Mar 2021 20:37:42 +0100
Subject: solved problem 5

---
 src/main.zig | 31 +++++++++++++++++++++++++++++--
 1 file changed, 29 insertions(+), 2 deletions(-)

(limited to 'src/main.zig')

diff --git a/src/main.zig b/src/main.zig
index f6e3ec2..8261fa0 100644
--- a/src/main.zig
+++ b/src/main.zig
@@ -67,11 +67,14 @@ fn p3() void {
 
     const n: usize = 600851475143;
     //const n: usize = 13195;
+    var biggest: usize = 0;
     for (primes) |prime| {
         if (n % prime == 0) {
-            std.debug.warn("{}\n", .{prime});
+            biggest = prime;
         }
     }
+
+    std.debug.warn("{}\n", .{biggest});
 }
 
 fn p4() !void {
@@ -95,9 +98,33 @@ fn p4() !void {
     print("{}\n", .{largest});
 }
 
+fn p5() void {
+    var num: usize = 20;
+    var i: usize = 1;
+    var j: usize = 0;
+    var found: bool = false;
+
+    while (i < 1_500_000_000) : (i += 1) {
+        j = num;
+
+        found = false;
+        while (j != 0) : (j -= 1) {
+            if (i % j != 0) {
+                found = true;
+            }
+        }
+
+        if (!found) {
+            print("{}\n", .{i});
+            break;
+        }
+    }
+}
+
 pub fn main() !void {
     //p1();
     //p2();
     //p3();
-    _ = try p4();
+    //_ = try p4();
+    p5();
 }
-- 
cgit v1.2.3