init

problems/p110/Cargo.toml

@@ -0,0 +1,6 @@
+[package]
+name = "p110"
+version = "0.1.0"
+edition = "2024"
+
+[dependencies]

problems/p110/src/main.rs

@@ -0,0 +1,21 @@
+// n, x, y > 0
+// 1 / n = 1 / x + 1 / y
+// = (x + y) / (x * y)
+//
+// n * (x + y) == (x * y)
+//
+// => (x, y) > n
+// => n * (x + y) > 2 * n^2, (x * y) > n^2
+// => (x * y) > 2 * n^2
+
+fn get_sol_count(n: u32) -> u32 {}
+#[test]
+fn test_get_sol_count() {
+    assert_eq!(get_sol_count(4), 3);
+    assert_eq!(get_sol_count(1260), 113);
+}
+
+fn main() {
+    todo!();
+    println!("Hello, world!");
+}