739. 数组选择

https://www.acwing.com/problem/content/submission/code_detail/14063087/

AcWing/739/739.cpp

@@ -0,0 +1,22 @@
+#include <iomanip>
+#include <iostream>
+
+using std::cin;
+using std::cout;
+const char endl = '\n';
+
+double x;
+
+int main() {
+    std::ios::sync_with_stdio(false);
+
+    for (int i = 0; i < 100; i++) {
+        cin >> x;
+
+        if (x <= 10) {
+            cout << "A[" << i << "] = " << std::fixed << std::setprecision(1) << x << endl;
+        }
+    }
+
+    return 0;
+}