Submission #1501311

Source Code Expand

n,a=int(input()),list(map(int,input().split()))
if sum(a)%(n*(n+1)/2):
	print("NO")
else:
	k=sum(a)/(n*(n+1)/2)
	a+=[a[0]]
	if sum([(k-i+j)%n for i,j in zip(a[1:],a)]) or sum([(k-i+j)/n>=0 for i,j in zip(a[1:],a)])!=n:
		print("NO")
	else:
		print("YES")

Submission Info

Submission Time
Task B - Boxes
User fts2001
Language PyPy3 (2.4.0)
Score 500
Code Size 263 Byte
Status AC
Exec Time 242 ms
Memory 66540 KB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 500 / 500
Status
AC × 3
AC × 33
Set Name Test Cases
Sample sample1.txt, sample2.txt, sample3.txt
All sample1.txt, sample2.txt, sample3.txt, in1.txt, in10.txt, in11.txt, in12.txt, in13.txt, in14.txt, in15.txt, in16.txt, in17.txt, in18.txt, in19.txt, in2.txt, in20.txt, in21.txt, in22.txt, in23.txt, in24.txt, in25.txt, in26.txt, in27.txt, in3.txt, in4.txt, in5.txt, in6.txt, in7.txt, in8.txt, in9.txt, sample1.txt, sample2.txt, sample3.txt
Case Name Status Exec Time Memory
in1.txt AC 242 ms 61116 KB
in10.txt AC 174 ms 40176 KB
in11.txt AC 229 ms 66332 KB
in12.txt AC 231 ms 66332 KB
in13.txt AC 223 ms 58568 KB
in14.txt AC 164 ms 38256 KB
in15.txt AC 163 ms 38256 KB
in16.txt AC 162 ms 38256 KB
in17.txt AC 166 ms 38256 KB
in18.txt AC 164 ms 38256 KB
in19.txt AC 165 ms 38256 KB
in2.txt AC 232 ms 66412 KB
in20.txt AC 162 ms 38256 KB
in21.txt AC 211 ms 62448 KB
in22.txt AC 217 ms 62448 KB
in23.txt AC 217 ms 62448 KB
in24.txt AC 170 ms 39536 KB
in25.txt AC 174 ms 40176 KB
in26.txt AC 236 ms 66288 KB
in27.txt AC 229 ms 65980 KB
in3.txt AC 227 ms 66412 KB
in4.txt AC 235 ms 66416 KB
in5.txt AC 231 ms 66540 KB
in6.txt AC 217 ms 62704 KB
in7.txt AC 216 ms 62704 KB
in8.txt AC 178 ms 40048 KB
in9.txt AC 173 ms 40176 KB
sample1.txt AC 178 ms 38256 KB
sample2.txt AC 176 ms 38256 KB
sample3.txt AC 172 ms 38256 KB