708. 偶数

https://www.acwing.com/problem/content/submission/code_detail/14061105/

AcWing/708/708.cpp

@@ -0,0 +1,15 @@
+#include <iostream>
+
+using std::cin;
+using std::cout;
+const char endl = '\n';
+
+int main() {
+    std::ios::sync_with_stdio(false);
+
+    for (int i = 2; i <= 100; i += 2) {
+        cout << i << endl;
+    }
+
+    return 0;
+}