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/a552.py | |
Init
Diffstat (limited to 'progs/a552.py')
| -rw-r--r-- | progs/a552.py | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/progs/a552.py b/progs/a552.py new file mode 100644 index 0000000..5d11019 --- /dev/null +++ b/progs/a552.py @@ -0,0 +1,17 @@ +def first_Missing_Positive(arr,n):
+ ptr = 0
+ for i in range(n):
+ if arr[i] == 1:
+ ptr = 1
+ break
+ if ptr == 0:
+ return(1)
+ for i in range(n):
+ if arr[i] <= 0 or arr[i] > n:
+ arr[i] = 1
+ for i in range(n):
+ arr[(arr[i] - 1) % n] += n
+ for i in range(n):
+ if arr[i] <= n:
+ return(i + 1)
+ return(n + 1)
\ No newline at end of file |