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 | 408 ms |
コンパイル使用メモリ | 82,560 KB |
実行使用メモリ | 104,576 KB |
最終ジャッジ日時 | 2024-05-08 23:22:33 |
合計ジャッジ時間 | 6,473 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge2 |
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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 | 165 ms
89,216 KB |
testcase_01 | AC | 150 ms
89,472 KB |
testcase_02 | AC | 156 ms
89,344 KB |
testcase_03 | AC | 144 ms
89,088 KB |
testcase_04 | AC | 148 ms
89,216 KB |
testcase_05 | AC | 149 ms
89,216 KB |
testcase_06 | AC | 150 ms
88,960 KB |
testcase_07 | AC | 147 ms
89,344 KB |
testcase_08 | AC | 148 ms
89,088 KB |
testcase_09 | AC | 147 ms
89,216 KB |
testcase_10 | AC | 175 ms
102,400 KB |
testcase_11 | WA | - |
testcase_12 | AC | 157 ms
89,984 KB |
testcase_13 | AC | 163 ms
98,432 KB |
testcase_14 | AC | 166 ms
100,224 KB |
testcase_15 | AC | 160 ms
94,720 KB |
testcase_16 | AC | 156 ms
89,984 KB |
testcase_17 | AC | 172 ms
101,504 KB |
testcase_18 | AC | 178 ms
104,576 KB |
testcase_19 | AC | 179 ms
104,192 KB |
testcase_20 | WA | - |
testcase_21 | AC | 178 ms
104,064 KB |
testcase_22 | AC | 180 ms
104,064 KB |
testcase_23 | AC | 177 ms
104,320 KB |
testcase_24 | AC | 173 ms
104,320 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()