結果
問題 | No.3017 交互浴 |
ユーザー |
|
提出日時 | 2025-01-25 12:58:26 |
言語 | PyPy3 (7.3.15) |
結果 |
AC
|
実行時間 | 202 ms / 2,000 ms |
コード長 | 2,453 bytes |
コンパイル時間 | 959 ms |
コンパイル使用メモリ | 81,856 KB |
実行使用メモリ | 103,824 KB |
最終ジャッジ日時 | 2025-01-25 22:28:32 |
合計ジャッジ時間 | 14,817 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge11 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 1 |
other | AC * 55 |
ソースコード
# input import sys input = sys.stdin.readline II = lambda : int(input()) MI = lambda : map(int, input().split()) LI = lambda : list(map(int, input().split())) SI = lambda : input().rstrip() LLI = lambda n : [list(map(int, input().split())) for _ in range(n)] LSI = lambda n : [input().rstrip() for _ in range(n)] MI_1 = lambda : map(lambda x:int(x)-1, input().split()) LI_1 = lambda : list(map(lambda x:int(x)-1, input().split())) def graph(n:int, m:int, dir:bool=False, index:int=-1) -> list[set[int]]: edge = [set() for i in range(n+1+index)] for _ in range(m): a,b = map(int, input().split()) a += index b += index edge[a].add(b) if not dir: edge[b].add(a) return edge def graph_w(n:int, m:int, dir:bool=False, index:int=-1) -> list[set[tuple]]: edge = [set() for i in range(n+1+index)] for _ in range(m): a,b,c = map(int, input().split()) a += index b += index edge[a].add((b,c)) if not dir: edge[b].add((a,c)) return edge mod = 998244353 inf = 1001001001001001001 ordalp = lambda s : ord(s)-65 if s.isupper() else ord(s)-97 ordallalp = lambda s : ord(s)-39 if s.isupper() else ord(s)-97 yes = lambda : print("Yes") no = lambda : print("No") yn = lambda flag : print("Yes" if flag else "No") def acc(a:list[int]): sa = [0]*(len(a)+1) for i in range(len(a)): sa[i+1] = a[i] + sa[i] return sa prinf = lambda ans : print(ans if ans < 1000001001001001001 else -1) alplow = "abcdefghijklmnopqrstuvwxyz" alpup = "ABCDEFGHIJKLMNOPQRSTUVWXYZ" alpall = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ" URDL = {'U':(-1,0), 'R':(0,1), 'D':(1,0), 'L':(0,-1)} DIR_4 = [[-1,0],[0,1],[1,0],[0,-1]] DIR_8 = [[-1,0],[-1,1],[0,1],[1,1],[1,0],[1,-1],[0,-1],[-1,-1]] DIR_BISHOP = [[-1,1],[1,1],[1,-1],[-1,-1]] prime60 = [2,3,5,7,11,13,17,19,23,29,31,37,41,43,47,53,59] # import pypyjit # pypyjit.set_param('max_unroll_recursion=-1') sys.setrecursionlimit(10**7) # sys.set_int_max_str_digits(0) n = II() h = LI() st = [inf] col = [1] #0が水色 now = 0 for i in range(n): nc = i&1 while st[-1] <= h[i]: ns = st.pop() c = col.pop() if c == 0: now -= ns else: now += ns if col[-1] != nc: st.append(h[i]) col.append(nc) if nc == 0: now += h[i] else: now -= h[i] print(now)