Hanxin ordered N soldiers to form an army. Each soldier has his own force value. The overall force value of the army is twice the total force value of all soldiers in the army. Do you know the overall force value of Hanxin's army?
Hanxin selects more soldiers for the better! Hanxin ordered N soldiers to form an army. Each soldier has his own force value. The overall force value of the army is twice the total force value of all soldiers in the army. Do you know the overall force value of Hanxin's army?
（图片来源网络，侵删）
