Submission #719702

#	Time	Username	Problem	Language	Result	Execution time	Memory
719702		Boomyday	Balloons (CEOI11_bal)	Pypy 3	40 / 100	2088 ms	31232 KiB

bal

from collections import deque

n = int(input())

x, r = [], []



def getrj(ri, xi, xj):
    return (xj-xi)*(xj-xi)/(4*ri)

assert (getrj(9, 0, 13)) - 4.694 <= 0.001


for i in range(n):
    xi, ri = map(int, input().split())
    x.append(xi)
    r.append(ri)

st = deque()





r2 = []

for bal in range(n):
    cands = [r[bal]]
    for other in range(bal):
        cands.append(getrj(r2[other], x[other], x[bal]))

    mn = min(cands)
    print(mn)
    r2.append(mn)

• Subtask 1: 10 / 10
• Subtask 2: 10 / 10
• Subtask 3: 10 / 10
• Subtask 4: 10 / 10
• Subtask 5: 0 / 10
• Subtask 6: 0 / 10
• Subtask 7: 0 / 10
• Subtask 8: 0 / 10
• Subtask 9: 0 / 10
• Subtask 10: 0 / 10