結果
問題 | No.583 鉄道同好会 |
ユーザー | McGregorsh |
提出日時 | 2023-07-04 21:57:26 |
言語 | PyPy3 (7.3.15) |
結果 |
WA
|
実行時間 | - |
コード長 | 1,536 bytes |
コンパイル時間 | 212 ms |
コンパイル使用メモリ | 82,176 KB |
実行使用メモリ | 89,728 KB |
最終ジャッジ日時 | 2024-07-18 17:04:02 |
合計ジャッジ時間 | 4,858 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge5 |
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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 | 153 ms
88,320 KB |
testcase_01 | AC | 152 ms
88,448 KB |
testcase_02 | AC | 150 ms
88,448 KB |
testcase_03 | AC | 150 ms
88,192 KB |
testcase_04 | WA | - |
testcase_05 | AC | 152 ms
88,064 KB |
testcase_06 | AC | 153 ms
88,576 KB |
testcase_07 | AC | 156 ms
88,064 KB |
testcase_08 | AC | 152 ms
88,192 KB |
testcase_09 | AC | 151 ms
88,576 KB |
testcase_10 | AC | 157 ms
88,576 KB |
testcase_11 | AC | 163 ms
89,088 KB |
testcase_12 | AC | 166 ms
88,832 KB |
testcase_13 | AC | 166 ms
89,216 KB |
testcase_14 | AC | 163 ms
89,472 KB |
testcase_15 | AC | 166 ms
89,728 KB |
testcase_16 | AC | 179 ms
89,344 KB |
testcase_17 | AC | 181 ms
89,472 KB |
testcase_18 | AC | 181 ms
89,216 KB |
ソースコード
import sys from sys import stdin from fractions import Fraction import math 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, lru_cache from decimal import Decimal, getcontext, ROUND_HALF_UP def i_input(): return int(stdin.readline()) def i_map(): return map(int, stdin.readline().split()) def i_list(): return list(i_map()) def s_input(): return stdin.readline()[:-1] def s_map(): return s_input().split() def s_list(): return list(s_map()) 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 alpa = 'abcdefghijklmnopqrstuvwxyz' ALPA = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' def main(): N, M = i_map() cou = [0] * N for i in range(M): a, b = i_map() cou[a] += 1 cou[b] += 1 p = 0 g = 0 for i in range(N): if cou[i] % 2 == 1: p += 1 else: g += 1 if g == N or p == 2: print('YES') else: print('NO') if __name__ == '__main__': main()