Submission #2520196

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Source Code Expand

n = int(input())
A = list(map(int,input().split()))

def C2(n):
    return n*(n-1)//2

ans = 0
x = 0
for i in range(1, n):
    y = A[i] - A[i-1]
    if y > 0:
        if x == 0:
            x = 1
        x += 1
    elif x > 0:
        ans += (x+2)*(x+1)//2
        x = 0
    else:
        ans += 1
ans += (x+2)*(x+1)//2
print(ans)

Submission Info

Judge Result