最长上升子序列 C++源码

#include <iostream>
using namespace std;
#define MAXSIZE 100

int max(int num1, int num2)
{
    return num1>num2?num1:num2;
}

int main()
{
    int num[MAXSIZE];
    int maxLen[MAXSIZE];
    int n;
    int i;
    int j;
    int maxA = 1;

    cin >> n;
    for (i=0; i<n; i++)
    {
        cin >> num[i];
        maxLen[i] = 1;
    }
    for (i=1; i<n; i++)
        for (j=0; j<i; j++)
            if (num[i] > num[j])
                maxLen[i] = max(maxLen[i], maxLen[j]+1);
    for (i=1; i<n; i++)
        if (maxLen[i] > maxA)
            maxA = maxLen[i];
    cout << maxA << endl;
    return 0;
}