Number Spiral

CSES/Introductory Problems/1071.cpp

@@ -0,0 +1,30 @@
+#include <iostream>
+using namespace std;
+
+int main() {
+    ios_base::sync_with_stdio(false);
+    cin.tie(nullptr);
+
+    long long t, x, y;
+    cin >> t;
+
+    while (t--) {
+        cin >> x >> y;
+
+        if (x >= y) {
+            if (x & 1)
+                cout << x * (x - 2) + y + 1;
+            else 
+                cout << x*x - y + 1;
+        } else {    
+            if (y & 1)
+                cout << y*y - x + 1;
+            else 
+                cout << y * (y - 2) + x + 1;
+        }
+
+        cout << '\n';
+    }
+
+    return 0;
+}