有一个长为n的数组A，求满足0≤a≤b<n的A[b]-A[a]的最大值。 给定数组A及它的大小n，请返回最大差值。

// ConsoleApplication10.cpp : 定义控制台应用程序的入口点。
//

include "stdafx.h"

include

include

include

include

include

include

using namespace std;

class LongestDistance {
public:
int getDis(vector A, int n) {
int max = 0;
for (int i = 0;i < n;i++)
{

for (int j = i + 1;j < n;j++)
{
if (max < (A[j] - A[i]))
{
max = A[j] - A[i];
}
}
}
return max;
}
};
int main()
{
LongestDistance ld;
vector A = { 10,5 };
cout << ld.getDis(A,2) << endl;

return 0;
};