Code
t=int(input())
for x in range(t):
n=int(input())
a=list(map(int,input().split()))
li=[]
for y in range(1,len(a)+1):
li.append(y)
a.sort()
if a==li:
print("YES")
else:
print("NO")
Information
- Submit By
- Type
- Submission
- Problem
- P1055 Array Permutation
- Contest
- Brain Booster #3
- Language
- Python 3 (Python 3.12.3)
- Submit At
- 2024-05-06 15:09:38
- Judged At
- 2024-11-11 03:35:07
- Judged By
- Score
- 100
- Total Time
- 25ms
- Peak Memory
- 2.953 MiB