From 44311378add75eebf87d41607fa8fb12cf5fa2e5 Mon Sep 17 00:00:00 2001
From: Tom Barrett <tom@tombarrett.xyz>
Date: Sun, 7 Mar 2021 20:49:41 +0100
Subject: solved problem 6,7

---
 src/main.zig | 36 +++++++++++++++++++++++++++++++++++-
 1 file changed, 35 insertions(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/main.zig b/src/main.zig
index 8261fa0..3a194fd 100644
--- a/src/main.zig
+++ b/src/main.zig
@@ -121,10 +121,44 @@ fn p5() void {
     }
 }
 
+fn p6() void {
+    var sum_0: usize = 0;
+    var sum_1: usize = 0;
+
+    var i: usize = 1;
+    while (i <= 100) : (i += 1) {
+        sum_0 += i * i;
+        sum_1 += i;
+    }
+    sum_1 *= sum_1;
+
+    print("{}\n", .{sum_1 - sum_0});
+}
+
+fn p7() void {
+    const size: usize = 10_002;
+    var primes: [size]usize = undefined;
+
+    var i: usize = 1;
+    var j: usize = 0;
+    while (j < size) : (i += 1) {
+        if (is_prime(i)) {
+            primes[j] = i;
+            j += 1;
+        }
+    }
+    print("{}\n", .{primes[size - 1]});
+}
+
+fn p8() void {}
+
 pub fn main() !void {
     //p1();
     //p2();
     //p3();
     //_ = try p4();
-    p5();
+    //p5();
+    //p6();
+    //p7();
+    p8();
 }
-- 
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