From 06de1eef6da62307ce23cf0a4cf6713c18348148 Mon Sep 17 00:00:00 2001
From: crupest <crupest@outlook.com>
Date: Mon, 15 Mar 2021 20:14:43 +0800
Subject: import(solutions): Add acwing 1237.

---
 works/solutions/acwing/1237.cpp | 49 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 49 insertions(+)
 create mode 100644 works/solutions/acwing/1237.cpp

(limited to 'works')

diff --git a/works/solutions/acwing/1237.cpp b/works/solutions/acwing/1237.cpp
new file mode 100644
index 0000000..a3b8810
--- /dev/null
+++ b/works/solutions/acwing/1237.cpp
@@ -0,0 +1,49 @@
+#include <cmath>
+#include <iostream>
+
+using ll = long long;
+
+int main() {
+  ll X, Y;
+  std::cin >> X >> Y;
+
+  ll result = 0;
+
+  if (X == 0 && Y == 0) {
+    return 0;
+  }
+
+  if (std::abs(X) > std::abs(Y) ||
+      (std::abs(X) == std::abs(Y) && !(X < 0 && Y < 0))) {
+    ll c = std::abs(X);
+
+    result += ((c - 1) * 4 + 2) * (c - 1);
+
+    if (X > 0) {
+      result += (c * 2 - 1) * 2;
+      result += c * 2;
+      result += (c - Y);
+    } else {
+      result += (c * 2 - 1);
+      result += (Y - (-c + 1));
+    }
+
+  } else {
+    ll c = std::abs(Y);
+
+    result += ((c - 1) * 4 + 2) * (c - 1);
+
+    if (Y > 0) {
+      result += (c * 2 - 1) * 2;
+      result += (X - (-c));
+    } else {
+      result += (c * 2 - 1) * 2;
+      result += c * 2 * 2;
+      result += c - X;
+    }
+  }
+
+  std::cout << result;
+
+  return 0;
+}
-- 
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