// 本地测试示例：head = [2,1,5] → 输出 [5,5,0]
These handy wireless devices do exactly what their name suggests: extend your Wi-Fi network so it covers more areas of your home. Most wireless extenders plug into an AC outlet and connect to your existing router so they can then rebroadcast it to spots that your router alone may not cover well. As a rule of thumb, you’ll get the best results by placing the extender half way between your router and the dead zone you’re trying to fix or improve your W-Fi connection and strengthen the wireless signal.
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新华社东京2月27日电 （记者李子越、陈泽安）据日本媒体报道，日本首相高市早苗27日在众议院预算委员会会议上接受在野党质询时，否定了日本出口武器需事先经国会批准的主张，称由政府作为主体判断即可。其言论在日本国内引发诸多批评。