Submission #1147723

#	Time	Username	Problem	Language	Result	Execution time	Memory
1147723		maomao	Mountains (NOI20_mountains)	Pypy 3	0 / 100	2095 ms	304292 KiB

Mountains

#https://oj.uz/problem/view/NOI20_mountains
n = int(input())
height = [int(x) for x in input().split()]
h_sort = sorted(height,reverse = True)
ans = 0
for k in range(n-2):
  left = []
  right = []
  m = height.index(h_sort[k])
  for i in range(0,m):
    if height[i] < height[m]:
      left.append(height[i])
  for i in range(m+1,len(height)):
    if height[i] < height[m]:
      right.append(height[i])
  ans += len(left)*len(right)
print(ans)

Compilation message (stdout)

Compiling 'Mountains.py'...

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  adding: __main__.pyc (deflated 31%)

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