36 lines
646 B
Python
36 lines
646 B
Python
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import sys
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def ask(a):
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print(a)
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sys.stdout.flush()
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return int(input())
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def main():
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# max distance, size of p
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m, n = [int(i) for i in input().split()]
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answers = []
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for i in range(n):
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a = ask(m)
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if a == 0:
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return
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answers.append(a)
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asked = n
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ppos = 0
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lower, upper = 1, m-1
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while asked < 60:
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curr = lower + (upper-lower)//2
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a = ask(curr)
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asked += 1
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if a*answers[ppos%n] == 1:
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upper = curr -1
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elif a*answers[ppos%n] == -1:
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lower = curr +1
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else:
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return
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ppos += 1
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main()
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