init

problems/p52/Cargo.toml

@@ -0,0 +1,6 @@
+[package]
+name = "p52"
+version = "0.1.0"
+edition = "2024"
+
+[dependencies]

problems/p52/src/main.rs

@@ -0,0 +1,32 @@
+use std::collections::HashSet;
+
+fn is_same_digits(x: u32) -> bool {
+    let x_2 = x * 2;
+    let x_3 = x * 3;
+    let x_4 = x * 4;
+    let x_5 = x * 5;
+    let x_6 = x * 6;
+    let set_x: HashSet<char> = x.to_string().chars().collect();
+    let set_x_2: HashSet<char> = x_2.to_string().chars().collect();
+    let set_x_3: HashSet<char> = x_3.to_string().chars().collect();
+    let set_x_4: HashSet<char> = x_4.to_string().chars().collect();
+    let set_x_5: HashSet<char> = x_5.to_string().chars().collect();
+    let set_x_6: HashSet<char> = x_6.to_string().chars().collect();
+    set_x == set_x_2
+        && set_x_2 == set_x_3
+        && set_x_3 == set_x_4
+        && set_x_4 == set_x_5
+        && set_x_5 == set_x_6
+}
+
+fn main() {
+    let mut x = 1;
+
+    loop {
+        if is_same_digits(x) {
+            println!("{x}");
+            break;
+        }
+        x += 1;
+    }
+}