init

problems/p33/Cargo.toml

@@ -0,0 +1,6 @@
+[package]
+name = "p33"
+version = "0.1.0"
+edition = "2024"
+
+[dependencies]

problems/p33/src/main.rs

@@ -0,0 +1,33 @@
+fn is_non_trivial_fraction(up: u32, down: u32) -> bool {
+    if !(10..100).contains(&up) {
+        return false;
+    }
+    if !(10..100).contains(&down) {
+        return false;
+    }
+    if up >= down {
+        return false;
+    }
+    let up_1 = up % 10;
+    let up_10 = up / 10;
+    let down_1 = down % 10;
+    let down_10 = down / 10;
+
+    // 两个个位相同不可能化简
+    if up_1 == down_1 {
+        return false;
+    }
+
+    todo!();
+
+    true
+}
+#[test]
+fn test_is_non_trivial_fraction() {
+    assert!(is_non_trivial_fraction(49, 98));
+    assert!(!is_non_trivial_fraction(49, 99));
+}
+
+fn main() {
+    println!("Hello, world!");
+}