Code
T=int(input())
for i in range(0,T):
N=int(input())
A=list(map(int,input().split()))
if len(set(A))==N and sorted(A)==list(range(1,N+1)):
print("YES")
else:
print("NO")Information
- Submit By
-
Md Emam LV 4
- Type
- Submission
- Problem
- P1055 Array Permutation
- Contest
- Brain Booster #3
- Language
- Python 3 (Python 3.12.3)
- Submit At
- 2024-05-06 16:35:32
- Judged At
- 2024-10-03 13:50:00
- Judged By
-
judge
- Score
- 100
- Total Time
- 17ms
- Peak Memory
- 3.16 MiB