Update: Rename folder name to XSMOJ

XSMOJ/【蓝桥杯省赛】面积.cpp

@@ -0,0 +1,35 @@
+#include <iostream>
+#include <vector>
+
+using namespace std;
+
+struct Rectangle {
+    int x1, y1, x2, y2;
+};
+
+int main() {
+    int n;
+    cin >> n;
+
+    vector<Rectangle> rectangles(n);
+
+    for (int i = 0; i < n; ++i) {
+        cin >> rectangles[i].x1 >> rectangles[i].y1 >> rectangles[i].x2 >> rectangles[i].y2;
+    }
+
+    int totalArea = 0;
+
+    for (int i = 0; i < n; ++i) {
+        totalArea += (rectangles[i].x2 - rectangles[i].x1) * (rectangles[i].y2 - rectangles[i].y1);
+
+        for (int j = i + 1; j < n; ++j) {
+            int x_overlap = max(0, min(rectangles[i].x2, rectangles[j].x2) - max(rectangles[i].x1, rectangles[j].x1));
+            int y_overlap = max(0, min(rectangles[i].y2, rectangles[j].y2) - max(rectangles[i].y1, rectangles[j].y1));
+            totalArea -= x_overlap * y_overlap;
+        }
+    }
+
+    cout << totalArea << endl;
+
+    return 0;
+}