Submission #6436076
Source Code Expand
import heapq N,M = map(int,input().split()) KL = [list(map(int,input().split())) for _ in [0]*N] E = [{} for _ in [0]*(N+M)] for i,kl in enumerate(KL): for l in kl[1:]: E[i][N+l-1] = 1 E[N+l-1][i] = 1 def Dijkstra(N,E,start): d = [-1]*N q = [(0,start)] while q: ci,i = heapq.heappop(q) if d[i]!= -1:continue d[i] = ci for j,cj in E[i].items(): if d[j]!=-1:continue heapq.heappush(q,(ci+cj,j)) return d d = Dijkstra(N+M,E,0) ans = d[:N].count(-1)==0 print("YES" if ans else "NO")
Submission Info
Submission Time | |
---|---|
Task | C - Interpretation |
User | ttm8761 |
Language | Python (3.4.3) |
Score | 400 |
Code Size | 597 Byte |
Status | AC |
Exec Time | 632 ms |
Memory | 106928 KB |
Judge Result
Set Name | sample | dataset1 | dataset2 | ||||||
---|---|---|---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 200 / 200 | 200 / 200 | ||||||
Status |
|
|
|
Set Name | Test Cases |
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sample | sample-01.txt, sample-02.txt |
dataset1 | sample-01.txt, sample-02.txt, 01-01.txt, 01-02.txt, 01-03.txt, 01-04.txt, 01-05.txt, 01-06.txt, 01-07.txt, 01-08.txt, 01-09.txt, 01-10.txt |
dataset2 | sample-01.txt, sample-02.txt, 01-01.txt, 01-02.txt, 01-03.txt, 01-04.txt, 01-05.txt, 01-06.txt, 01-07.txt, 01-08.txt, 01-09.txt, 01-10.txt, 02-01.txt, 02-02.txt, 02-03.txt, 02-04.txt, 02-05.txt, 02-06.txt, 02-07.txt, 02-08.txt, 02-09.txt, 02-10.txt, 02-11.txt, 02-12.txt, 02-13.txt, sample-01.txt, sample-02.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
01-01.txt | AC | 17 ms | 3064 KB |
01-02.txt | AC | 20 ms | 3572 KB |
01-03.txt | AC | 22 ms | 3956 KB |
01-04.txt | AC | 23 ms | 3700 KB |
01-05.txt | AC | 23 ms | 3572 KB |
01-06.txt | AC | 22 ms | 3700 KB |
01-07.txt | AC | 21 ms | 3572 KB |
01-08.txt | AC | 22 ms | 3700 KB |
01-09.txt | AC | 22 ms | 3572 KB |
01-10.txt | AC | 23 ms | 4084 KB |
02-01.txt | AC | 351 ms | 51704 KB |
02-02.txt | AC | 632 ms | 70256 KB |
02-03.txt | AC | 337 ms | 37756 KB |
02-04.txt | AC | 483 ms | 71632 KB |
02-05.txt | AC | 570 ms | 60888 KB |
02-06.txt | AC | 488 ms | 71236 KB |
02-07.txt | AC | 563 ms | 64308 KB |
02-08.txt | AC | 481 ms | 68480 KB |
02-09.txt | AC | 590 ms | 106928 KB |
02-10.txt | AC | 412 ms | 65304 KB |
02-11.txt | AC | 403 ms | 63136 KB |
02-12.txt | AC | 434 ms | 56452 KB |
02-13.txt | AC | 434 ms | 56856 KB |
sample-01.txt | AC | 17 ms | 3064 KB |
sample-02.txt | AC | 18 ms | 3064 KB |