Question
#include<stdio.h>
int longest_inc_sub(int *arr, int len)
{
int i, j, tmp_max;
int LIS[len]; // array to store the lengths of the longest increasing subsequence
LIS[0]=1;
for(i = 1; i < len; i++)
{
tmp_max = 0;
for(j = 0; j < i; j++)
{
if(arr[j] < arr[i])
{
if(LIS[j] > tmp_max)
___________;
}
}
LIS[i] = tmp_max + 1;
}
int max = LIS[0];
for(i = 0; i < len; i++)
if(LIS[i] > max)
max = LIS[i];
return max;
}
int main()
{
int arr[] = {10,22,9,33,21,50,41,60,80}, len = 9;
int ans = longest_inc_sub(arr, len);
printf("%d",ans);
return 0;
}
a.
tmp_max = LIS[j].
b.
LIS[i] = LIS[j].
c.
LIS[j] = tmp_max
d.
tmp_max = LIS[i].
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Q. Complete the following dynamic programming implementation of the longest increasing subsequence problem:
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