提出 #31376968
ソースコード 拡げる
from collections import deque
n, m = map(int, input().split())
e = [[] for i in range(n)]
for i in range(m):
a, b = map(int, input().split())
e[a - 1].append(b - 1)
e[b - 1].append(a - 1)
back = [-1] * n
q = deque()
q.append(0)
while len(q) != 0:
v = q.popleft()
for u in e[v]:
if back[u] == -1:
back[u] = v
q.append(u)
print("Yes")
for i in range(1, n):
print(back[i] + 1)
提出情報
| 提出日時 | |
|---|---|
| 問題 | D - .. (Double Dots) |
| ユーザ | Pro_ktmr |
| 言語 | PyPy3 (7.3.0) |
| 得点 | 400 |
| コード長 | 447 Byte |
| 結果 | AC |
| 実行時間 | 456 ms |
| メモリ | 98000 KiB |
ジャッジ結果
| セット名 | Sample | Subtask1 | ||||
|---|---|---|---|---|---|---|
| 得点 / 配点 | 0 / 0 | 400 / 400 | ||||
| 結果 |
|
|
| セット名 | テストケース |
|---|---|
| Sample | sample_01.txt, sample_02.txt |
| Subtask1 | sample_01.txt, sample_02.txt, sub1_01.txt, sub1_02.txt, sub1_03.txt, sub1_04.txt, sub1_05.txt, sub1_06.txt, sub1_07.txt, sub1_08.txt, sub1_09.txt, sub1_10.txt, sub1_11.txt, sub1_12.txt, sub1_13.txt, sub1_14.txt, sub1_15.txt, sub1_16.txt, sub1_17.txt, sub1_18.txt, sub1_19.txt, sub1_20.txt, sub1_21.txt, sub1_22.txt, sub1_23.txt, sub1_24.txt, sub1_25.txt, sub1_26.txt, sub1_27.txt, sub1_28.txt, sub1_29.txt, sub1_30.txt, sub1_31.txt, sub1_32.txt, sub1_33.txt, sub1_34.txt, sub1_35.txt, sub1_36.txt, sub1_37.txt |
| ケース名 | 結果 | 実行時間 | メモリ |
|---|---|---|---|
| sample_01.txt | AC | 69 ms | 63844 KiB |
| sample_02.txt | AC | 55 ms | 63944 KiB |
| sub1_01.txt | AC | 232 ms | 81984 KiB |
| sub1_02.txt | AC | 192 ms | 80456 KiB |
| sub1_03.txt | AC | 297 ms | 86180 KiB |
| sub1_04.txt | AC | 263 ms | 84644 KiB |
| sub1_05.txt | AC | 116 ms | 75012 KiB |
| sub1_06.txt | AC | 228 ms | 82152 KiB |
| sub1_07.txt | AC | 149 ms | 77100 KiB |
| sub1_08.txt | AC | 286 ms | 92900 KiB |
| sub1_09.txt | AC | 313 ms | 86904 KiB |
| sub1_10.txt | AC | 320 ms | 86848 KiB |
| sub1_11.txt | AC | 314 ms | 86420 KiB |
| sub1_12.txt | AC | 263 ms | 93012 KiB |
| sub1_13.txt | AC | 317 ms | 87044 KiB |
| sub1_14.txt | AC | 312 ms | 86752 KiB |
| sub1_15.txt | AC | 291 ms | 91288 KiB |
| sub1_16.txt | AC | 381 ms | 85920 KiB |
| sub1_17.txt | AC | 246 ms | 80904 KiB |
| sub1_18.txt | AC | 328 ms | 85240 KiB |
| sub1_19.txt | AC | 265 ms | 83200 KiB |
| sub1_20.txt | AC | 141 ms | 76664 KiB |
| sub1_21.txt | AC | 406 ms | 88480 KiB |
| sub1_22.txt | AC | 288 ms | 82432 KiB |
| sub1_23.txt | AC | 195 ms | 78164 KiB |
| sub1_24.txt | AC | 383 ms | 87852 KiB |
| sub1_25.txt | AC | 456 ms | 90736 KiB |
| sub1_26.txt | AC | 344 ms | 88464 KiB |
| sub1_27.txt | AC | 438 ms | 95248 KiB |
| sub1_28.txt | AC | 450 ms | 89872 KiB |
| sub1_29.txt | AC | 93 ms | 74292 KiB |
| sub1_30.txt | AC | 320 ms | 98000 KiB |
| sub1_31.txt | AC | 386 ms | 87168 KiB |
| sub1_32.txt | AC | 366 ms | 87964 KiB |
| sub1_33.txt | AC | 394 ms | 86576 KiB |
| sub1_34.txt | AC | 310 ms | 86480 KiB |
| sub1_35.txt | AC | 316 ms | 86432 KiB |
| sub1_36.txt | AC | 432 ms | 94228 KiB |
| sub1_37.txt | AC | 56 ms | 63960 KiB |