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# Author Problem Lang Verdict Time Memory Sent Judged  
155356628 Practice:
quangltfsc0378
118B - 12 PyPy 3 Accepted 154 ms 0 KB 2022-04-30 09:39:15 2022-04-30 09:39:15
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r=range;N=int(input())
for i in[*r(N),*r(N,-1,-1)]:print(*' '*(N-i),*r(i+1),*r(i-1,-1,-1))
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Time: ? ms, memory: ? KB
Verdict: ?
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