每日一题 day6 打卡 Analysis 题目的意思是找在区间[x,y]之间满足能够由k个b的不同次幂相加得到的数的总数.这题的关键是转换进制,之前几道题我们保存的是数的每位数,其实也就是10进制,这题我们要保存的是b进制,所以在ask函数中要把原来的对10求余和除10都要改成对b进行操作,dp[x][pre]数组表示第x位由pre个b的不同次幂相加得到的数的总数.在判断进入递归的if条件语句中,i的上界要同时满足小于上界且小于等于1,因为根据题意,只有类似3^4次方能够算进去,2*3^4并不…

废话不多说,直接上题: 1585: [例 1]Amount of Degrees 时间限制: 1000 ms         内存限制: 524288 KB提交数: 130     通过数: 68 [题目描述] 原题来自:NEERC 2000 Central Subregional,题面详见 Ural 1057. 求给定区间 [X,Y] 中满足下列条件的整数个数:这个数恰好等于 K 个互不相等的 B 的整数次幂之和.例如,设 X=15,Y=20,K=2,B=2,则有且仅有下列三个数满足题意: 1…

题目链接: (请自行百度进Ural然后查看题号为1057的那道题目囧~) 题目大意: Create a code to determine the amount of integers, lying in the set \([X;Y]\) and being a sum of exactly \(K\) different integer degrees of B. Example. Let \(X=15, Y=20, K=2, B=2\) . By this example 3 number…

[TimusOJ1057]Amount of Degrees 试题描述 Create a code to determine the amount of integers, lying in the set [X;Y] and being a sum of exactly K different integer degrees of B. Example. Let X=15, Y=20, K=2, B=2. By this example 3 numbers are the sum of exa…

1585: [例 1]Amount of Degrees 时间限制: 1000 ms         内存限制: 524288 KB 题目描述 原题来自:NEERC 2000 Central Subregional,题面详见 Ural 1057. 求给定区间 [X,Y] 中满足下列条件的整数个数:这个数恰好等于 K 个互不相等的 B 的整数次幂之和.例如,设 X=15,Y=20,K=2,B=2,则有且仅有下列三个数满足题意: 17=2^4+2^0 18=2^4+2^1 20=2^4+2^2 输入…

1057. Amount of Degrees Time limit: 1.0 second Memory limit: 64 MB Create a code to determine the amount of integers, lying in the set [X;Y] and being a sum of exactlyK different integer degrees of B. Example. Let X=15, Y=20, K=2, B=2. By this exampl…

1057. Amount of Degrees Time limit: 1.0 second Memory limit: 64 MB Create a code to determine the amount of integers, lying in the set [X;Y] and being a sum of exactlyK different integer degrees of B. Example. Let X=15, Y=20, K=2, B=2. By this exampl…

传送门 Amount of Degrees Time limit: 1.0 secondMemory limit: 64 MB Description Create a code to determine the amount of integers, lying in the set [X;Y] and being a sum of exactly K different integer degrees of B. Example. Let X=15, Y=20, K=2, B=2. By t…

Discription Create a code to determine the amount of integers, lying in the set [X; Y] and being a sum of exactly K different integer degrees of B. Example. Let X=15, Y=20, K=2, B=2. By this example 3 numbers are the sum of exactly two integer degree…

Create a code to determine the amount of integers, lying in the set [X;Y] and being a sum of exactly K different integer degrees of B. Example. Let X=15, Y=20, K=2, B=2. By this example 3 numbers are the sum of exactly two integer degrees of number 2…