stage

problems/p2/src/main.rs

@@ -0,0 +1,25 @@
+fn fixed_xor(buf1: &[u8], buf2: &[u8]) -> Result<Vec<u8>, String> {
+    if buf1.len() != buf2.len() {
+        return Err(format!(
+            "输入缓冲区长度不匹配: {} vs {}",
+            buf1.len(),
+            buf2.len()
+        ));
+    }
+    Ok(buf1
+        .iter()
+        .zip(buf2.iter())
+        .map(|(&b1, b2)| b1 ^ b2)
+        .collect())
+}
+
+fn main() -> Result<(), String> {
+    let string1 = hex::decode("1c0111001f010100061a024b53535009181c").expect("error");
+    let string2 = hex::decode("686974207468652062756c6c277320657965").expect("error");
+    let xor_string = fixed_xor(&string1, &string2)?;
+
+    // 将结果转换为十六进制字符串
+    let hex_result = hex::encode(&xor_string);
+    println!("{}", hex_result);
+    Ok(())
+}