Submission #1360132

#	Time	Username	Problem	Language	Result	Execution time	Memory
1360132		dukkha	Balloons (CEOI11_bal)	Pypy 3	0 / 100	151 ms	131072 KiB

bal

import sys

input = sys.stdin.buffer.readline
write = sys.stdout.write

n = int(input())

xs = []
rs = []

for _ in range(n):
    x, r = map(int, input().split())
    cur = float(r)

    while xs:
        dx = x - xs[-1]
        cur = min(cur, dx * dx / (4 * rs[-1]))

        if cur >= rs[-1]:
            xs.pop()
            rs.pop()
        else:
            break

    xs.append(x)
    rs.append(cur)
    write(f"{cur}\n")

Compilation message (stdout)

Compiling 'bal.py'...

=======
  adding: __main__.pyc (deflated 24%)

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