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restructure zeta/** to storage/zeta/**

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yenru0
2025-05-10 21:54:24 +09:00
parent 2886820691
commit 2f2e0759fd
407 changed files with 7 additions and 1 deletions
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storage/zeta/py/completed/2166.py Normal file
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@@ -0,0 +1,5 @@
N = int(input())
points = [list(map(int, input().split())) for i in range(N)]
points += [points[0]]
N +=1
print("%.1f" % (abs(sum(points[i][0] * points[j][1] for i, j in zip(range(N - 1), range(1, N))) - sum(points[j][0] * points[i][1] for i, j in zip(range(N - 1), range(1, N))))/2))