749. 数组的上方区域

https://www.acwing.com/problem/content/submission/code_detail/14063225/

AcWing/749/749.cpp

@@ -0,0 +1,18 @@
+#include <bits/stdc++.h>
+
+using namespace std;
+
+int main() {
+    char op;
+    cin >> op;
+    double x, sum = 0;
+    for (int i = 0; i < 12; i++) {
+        for (int j = 0; j < 12; j++) {
+            cin >> x;
+            if (i < 5 && j > i && j <= 10 - i) sum += x;
+        }
+    }
+    cout << fixed << setprecision(1) << sum / (op == 'S' ? 1 : 30) << endl;
+
+    return 0;
+}