关于The Triangle的题解
时间:2014-03-29 23:05:57
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作为一个ACM新手中的新手,这个代码是借鉴了网上许多大神写的......所以请勿嘲讽- -
Description
7
3 8
8 1 0
2 7 4 4
4 5 2 6 5
(Figure 1)
Input
Your program is to read from standard input. The
first line contains one integer N: the number of rows in the triangle. The
following N lines describe the data of the triangle. The number of rows in the
triangle is > 1 but <= 100. The numbers in the triangle, all integers, are
between 0 and 99.
Output
Your program is to write to standard output. The
highest sum is written as an integer.
Sample Input
5 7 3 8 8 1 0 2 7 4 4 4 5 2 6 5
Sample Output
30
题目的大概意思是输入一个三角数组,每个数字可以与下面一行相邻两个数字中一个相加,求出和的最大值。
代码如下
#include<iostream>
using namespace std;
int
main()
{
int n,i,j,a[100][100];
while(cin >> n)
{
for(i=0;i<n;i++)
for(j=0;j<=i;j++)
cin >> a[i][j];
for(i=n-2;i>=0;i--)
for(j=i;j>=0;j--)
a[i][j]+=a[i+1][j] > a[i+1][j+1] ? a[i+1][j] :
a[i+1][j+1];
//从第n-1行开始往上,将每行每个元素与下面一行相邻两个数分别求和进行比较的出最大
cout << a[0][0] << endl;
}
}
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原文:http://www.cnblogs.com/futurehacker/p/3632884.html
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