# | 제출 시각 | 아이디 | 문제 | 언어 | 결과 | 실행 시간 | 메모리 |
---|---|---|---|---|---|---|---|
1147566 | thaonguyen | Mountains (NOI20_mountains) | Pypy 3 | 582 ms | 327680 KiB |
#https://oj.uz/problem/view/NOI20_mountains
from itertools import combinations
n = input()
height = [int(x) for x in input().split()]
ans = 0
tup = combinations(height, 3)
for i in list (tup):
if i[0] < i[1] and i[2]<i[1]:
ans+=1
print(ans)
컴파일 시 표준 출력 (stdout) 메시지
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