diff options
| author | Santo Cariotti <santo@dcariotti.me> | 2024-05-28 10:29:13 +0200 |
|---|---|---|
| committer | Santo Cariotti <santo@dcariotti.me> | 2024-05-28 10:29:13 +0200 |
| commit | f05d888a0b621ca4e99e2b0fb6e23c097006fe41 (patch) | |
| tree | eebbb2489144112d3288393e354d19375a0aa088 /progs/a885.py | |
Init
Diffstat (limited to 'progs/a885.py')
| -rw-r--r-- | progs/a885.py | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/progs/a885.py b/progs/a885.py new file mode 100644 index 0000000..578b517 --- /dev/null +++ b/progs/a885.py @@ -0,0 +1,16 @@ +def lbs(arr):
+ n = len(arr)
+ lis = [1 for i in range(n+1)]
+ for i in range(1 , n):
+ for j in range(0 , i):
+ if ((arr[i] > arr[j]) and (lis[i] < lis[j] +1)):
+ lis[i] = lis[j] + 1
+ lds = [1 for i in range(n+1)]
+ for i in reversed(range(n-1)):
+ for j in reversed(range(i-1 ,n)):
+ if(arr[i] > arr[j] and lds[i] < lds[j] + 1):
+ lds[i] = lds[j] + 1
+ maximum = lis[0] + lds[0] - 1
+ for i in range(1 , n):
+ maximum = max((lis[i] + lds[i]-1), maximum)
+ return maximum
\ No newline at end of file |