restructure zeta/** to storage/zeta/**

storage/zeta/cpp/completed/2563.cpp

@@ -0,0 +1,30 @@
+#include <iostream>
+
+using namespace std;
+
+void add_paper(int P[], int x, int y) {
+    for (int i = 0; i < 10; i++) {
+        for (int j = 0; j < 10; j++) {
+            P[(x - 1 + i) * 100 + y - 1 + j] = 1;
+        }
+    }
+}
+
+
+int main() {
+    int Paper[100 * 100] = {0,};
+    int N;
+
+    cin >> N;
+    int _x, _y;
+    for (int i = 0; i < N; i++) {
+        cin >> _x >> _y;
+        add_paper(Paper, _x, _y);
+    }
+    int A = 0;
+    for (int i = 0; i < 10000; i++) {
+        A += Paper[i];
+    }
+    cout << A;
+    return 0;
+}