Submission #548413

#	Time	Username	Problem	Language	Result	Execution time	Memory
548413		arstalchan	Global Warming (NOI13_gw)	Pypy 3	0 / 40	1102 ms	33040 KiB

gw

L = [int(input()) for x in range(int(input()))]
L.append(0)
add = {}
cur = 0
first = 0
peak = 0
flag = False
for x in L:
    if not flag:
        if x >= cur:
            cur = x
        else:
            peak = cur
            flag = True
    if flag:
        if x <= cur:
            cur = x
        else:
            if peak in add:
                add[peak] += 1
            else:
                add[peak] = 1
            if max(first, cur) in add:
                add[max(first, cur)] -= 1
            else:
                add[max(first, cur)] = -1
            first = cur
            cur = x
            flag = False
if peak in add:
    add[peak] += 1
else:
    add[peak] = 1
if first in add:
    add[first] -= 1
else:
    add[first] = -1
ans = 0
cur = 0
for x in sorted(add)[::-1]:
    cur += add[x]
    ans = max(ans, cur)
print(ans)

• Subtask 1: 0 / 6
• Subtask 2: 0 / 6
• Subtask 3: 0 / 7
• Subtask 4: 0 / 10
• Subtask 5: 0 / 11