結果
問題 | No.921 ずんだアロー |
ユーザー | McGregorsh |
提出日時 | 2023-05-17 12:53:41 |
言語 | PyPy3 (7.3.15) |
結果 |
WA
|
実行時間 | - |
コード長 | 2,043 bytes |
コンパイル時間 | 147 ms |
コンパイル使用メモリ | 82,464 KB |
実行使用メモリ | 104,768 KB |
最終ジャッジ日時 | 2024-12-15 07:27:46 |
合計ジャッジ時間 | 5,538 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge4 |
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テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 144 ms
89,500 KB |
testcase_01 | AC | 137 ms
89,640 KB |
testcase_02 | AC | 139 ms
89,564 KB |
testcase_03 | AC | 138 ms
89,500 KB |
testcase_04 | AC | 138 ms
89,572 KB |
testcase_05 | AC | 136 ms
89,464 KB |
testcase_06 | AC | 135 ms
89,520 KB |
testcase_07 | AC | 145 ms
89,488 KB |
testcase_08 | AC | 137 ms
89,544 KB |
testcase_09 | AC | 138 ms
89,236 KB |
testcase_10 | AC | 161 ms
102,744 KB |
testcase_11 | WA | - |
testcase_12 | AC | 147 ms
90,504 KB |
testcase_13 | AC | 158 ms
98,672 KB |
testcase_14 | AC | 160 ms
100,540 KB |
testcase_15 | AC | 152 ms
95,048 KB |
testcase_16 | AC | 144 ms
90,180 KB |
testcase_17 | AC | 160 ms
101,808 KB |
testcase_18 | AC | 169 ms
104,412 KB |
testcase_19 | AC | 165 ms
104,416 KB |
testcase_20 | WA | - |
testcase_21 | AC | 164 ms
104,412 KB |
testcase_22 | AC | 162 ms
104,592 KB |
testcase_23 | AC | 159 ms
104,456 KB |
testcase_24 | AC | 164 ms
104,768 KB |
ソースコード
import sys, re from fractions import Fraction from math import ceil, floor, sqrt, pi, factorial, gcd from copy import deepcopy from collections import Counter, deque, defaultdict from heapq import heapify, heappop, heappush from itertools import accumulate, product, combinations, combinations_with_replacement, permutations from bisect import bisect, bisect_left, bisect_right from functools import reduce from decimal import Decimal, getcontext, ROUND_HALF_UP def i_input(): return int(input()) def i_map(): return map(int, input().split()) def i_list(): return list(i_map()) def i_row(N): return [i_input() for _ in range(N)] def i_row_list(N): return [i_list() for _ in range(N)] def s_input(): return input() def s_map(): return input().split() def s_list(): return list(s_map()) def s_row(N): return [s_input for _ in range(N)] def s_row_str(N): return [s_list() for _ in range(N)] def s_row_list(N): return [list(s_input()) for _ in range(N)] def lcm(a, b): return a * b // gcd(a, b) def get_distance(x1, y1, x2, y2): d = sqrt((x2 - x1) ** 2 + (y2 - y1) ** 2) return d def rotate(table): n_fild = [] for x in zip(*table[::-1]): n_fild.append(x) return n_fild sys.setrecursionlimit(10 ** 7) INF = float('inf') MOD = 10 ** 9 + 7 MOD2 = 998244353 def main(): N = int(input()) A = i_list() juge1 = [False] * N for i in range(0, N, 2): juge1[i] = True for i in range(1, N, 2): if i == N-1: if A[i-1] == A[i]: juge1[i] = True else: if A[i-1] == A[i] == A[i+1]: juge1[i] = True juge2 = [False] * N for i in range(1, N, 2): juge2[i] = True for i in range(0, N, 2): if i == 0: if A[i] == A[i+1]: juge2[i] = True elif i == N-1: if A[i-1] == A[i]: juge2[i] = True else: if A[i-1] == A[i] == A[i+1]: juge2[i] = True print(max(sum(juge1), sum(juge2))) if __name__ == '__main__': main()