uva - 10198 - Counting
2012-08-10 15:10
260 查看
题意:有一个萌妹纸 分不清 1 和 4 (人家卡哇伊一点理解么), 给你一个n, 有多少个每位相加的和等n的数,(人家特萌只喜欢1,2, 3, 4)
解法:简单DP dp
= dp[n-1] * 2 + dp[n-2] + dp[n-3];
连接:点击打开链接 其实你可以ac它的
代码君神马滴最有爱了:
解法:简单DP dp
= dp[n-1] * 2 + dp[n-2] + dp[n-3];
连接:点击打开链接 其实你可以ac它的
代码君神马滴最有爱了:
import java.util.Scanner; import java.math.*; import java.text.*; import java.io.*; public class Main { public static void main(String args[]) { BigInteger num[]; num = new BigInteger[1024]; num[1] = new BigInteger("2"); num[2] = new BigInteger("5"); num[3] = new BigInteger("13"); for (int i = 4; i <= 1000; i++){ BigInteger ans = num[i-1].add(num[i-1]); ans = ans.add(num[i-2]); ans = ans.add(num[i-3]); num[i] = ans; } Scanner cin = new Scanner(System.in); int n; while (cin.hasNext()){ n = cin.nextInt(); System.out.println(num ); } } }
相关文章推荐
- UVA 10198 Counting
- UVa Problem Solution: 10198 - Counting
- UVa Problem 10198 Counting (数数)
- UVA 10198 Counting
- uva10198 Counting
- UVa 10198 - Counting
- 习题3-3 数数字(Digit Counting , ACM/ICPC Danang 2007, UVa1225)
- uva494 Kindergarten Counting Game
- UVa 1640 The Counting Problem (数学,区间计数)
- UVA 1640 The Counting Problem
- UVaLive 6602 Counting Lattice Squares (找规律)
- UVa 1225 Digit Counting
- [UVa]494-Kindergarten Counting Game
- Uva1225-Digit Counting-数数字
- 数学专项counting:UVa 580
- UVA-1225 Digit Counting
- (UVA)1225 - Digit Counting
- 解题报告_Triangle Counting UVA - 11401_数学规律
- UVA 11401【数三角形】Triangle Counting------2015年1月24日
- UVa1225 Digit Counting