save code

old/lession7.cpp

@@ -0,0 +1,14 @@
+#include <iostream>
+#include <string>
+
+int main() {
+    std::string cards[3];
+    cards[0] = "小火龙";
+    cards[1] = "皮卡丘";
+    cards[2] = "妙蛙种子";
+
+    int id = 0;
+    std::cin >> id;
+    std::cout << "你选中的卡：" << cards[id] << "\n";
+    return 0;
+}