twh233的算法blog

大佬的决斗 时间限制(普通/Java) : 1000 MS/ 3000 MS          运行内存限制 : 65536 KByte 总提交 : 398            测试通过 : 82  描述 最近，集训队的C大佬和Y大佬迷上了一款游戏，他们整天都在争论谁的召唤兽更厉害。终于有一天，C大佬爆发了：“YG_PP，我要和你决斗！”，Y大佬也不甘示弱：“

Your friend has C coins in his pocket, each coin has a value Vi, and you know that he will not need that amount of money, he will only need M. You want to help him not to carry all these coins, so