From 096f23c71ef99283e66e19fae2e6078c3f9b82f6 Mon Sep 17 00:00:00 2001
From: Ren Baoshuo <i@baoshuo.ren>
Date: Fri, 1 Oct 2021 18:13:39 +0800
Subject: [PATCH] =?UTF-8?q?HDR003A.=20=E3=80=8CMCOI-06=E3=80=8DFlight?=
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https://hydro.ac/record/6156deb33713cfcd8ab56209
---
 Hydro/HDR003A/HDR003A.cpp | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)
 create mode 100644 Hydro/HDR003A/HDR003A.cpp

diff --git a/Hydro/HDR003A/HDR003A.cpp b/Hydro/HDR003A/HDR003A.cpp
new file mode 100644
index 00000000..3442d17d
--- /dev/null
+++ b/Hydro/HDR003A/HDR003A.cpp
@@ -0,0 +1,16 @@
+#include <bits/stdc++.h>
+
+using namespace std;
+
+long long t, a, b, c, d, x, y, k;
+
+int main() {
+    cin >> t;
+    while (t--) {
+        cin >> a >> b >> c >> d;
+        x = abs(a - c);
+        y = abs(b - d);
+        cout << max(x, y) * 2 - !(x % 2 == 0 && y % 2 == 0 || x % 2 && y % 2) << endl;
+    }
+    return 0;
+}