From 1e0b0feaa83ea60ff06db81276ef0935182a4bd9 Mon Sep 17 00:00:00 2001
From: Mistivia <i@mistivia.com>
Date: Thu, 21 Aug 2025 00:52:09 +0800
Subject: solve 6

---
 src/bin/p0006.rs | 40 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 40 insertions(+)
 create mode 100644 src/bin/p0006.rs

diff --git a/src/bin/p0006.rs b/src/bin/p0006.rs
new file mode 100644
index 0000000..92e4b6f
--- /dev/null
+++ b/src/bin/p0006.rs
@@ -0,0 +1,40 @@
+impl Solution {
+    pub fn convert(s: String, num_rows: i32) -> String {
+        if num_rows <= 1 {
+            return s;
+        }
+        let mut x = 0;
+        let mut y = 0;
+        let mut path: Vec<(i32,i32)> = vec!();
+        let mut is_down = true;
+        for _ in 0..s.len() {
+            path.push((x, y));
+            if is_down {
+                y = y + 1;
+                if y == num_rows - 1 {
+                    is_down = false;
+                }
+            } else {
+                y = y - 1;
+                x = x + 1;
+                if y == 0 {
+                    is_down = true;
+                }
+            }
+        }
+        let mut lines: Vec<String> = vec!();
+        for _ in 0..num_rows {
+            lines.push("".to_string());
+        }
+        for i in 0..s.len() {
+            let (_,y) = path[i];
+            lines[y as usize].push(s.as_bytes()[i] as char);
+        }
+        lines.join("")
+    }
+}
+
+struct Solution {}
+fn main() {
+    println!("{}", Solution::convert("PAYPALISHIRING".to_string(), 3));
+}
\ No newline at end of file
-- 
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