1.直接用递归函数计算状态转移方程,效率十分低下,可以考虑用递推方法,其实就是“正着推导,逆着计算” #include<iostream> #include<algorithm> using namespace std; #define maxn 1000+5 int n; int a[maxn][maxn]; int d[maxn][maxn]; int main(){ for(;cin>>n && n;){ memset(d,,sizeof(d));…
汉诺塔VII Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 1503 Accepted Submission(s): 1077 Problem Description n个盘子的汉诺塔问题的最少移动次数是2^n-1,即在移动过程中会产生2^n个系列.由于发生错移产生的系列就增加了,这种错误是放错了柱子,并不会把大盘放到小盘上,即各柱子从…
The Triangle Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 38195 Accepted: 22946 Description 7 3 8 8 1 0 2 7 4 4 4 5 2 6 5 (Figure 1) Figure 1 shows a number triangle. Write a program that calculates the highest sum of numbers passed…