Submission #788008
Source Code Expand
import sys stdin = sys.stdin def na(): return map(int, stdin.readline().split()) def ns(): return stdin.readline().strip() n,m = na() rule = [0]*n for i in range(m): x,y = na() rule[y-1] |= 1<<x-1 u = 1<<n dp = [0]*u dp[0] = 1 for i in range(u): for j in range(n): if i>>j&1: k = i^1<<j if (rule[j]&k) == rule[j]: dp[i] += dp[k] print(dp[u-1])
Submission Info
Submission Time | |
---|---|
Task | D - 徒競走 |
User | uwi |
Language | Python (3.4.3) |
Score | 100 |
Code Size | 429 Byte |
Status | AC |
Exec Time | 734 ms |
Memory | 4944 KB |
Judge Result
Set Name | Sample | Subtask1 | All | ||||||
---|---|---|---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 30 / 30 | 70 / 70 | ||||||
Status |
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Set Name | Test Cases |
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Sample | 0_00.txt, 0_01.txt, 0_02.txt |
Subtask1 | 0_00.txt, 0_01.txt, 1_00.txt, 1_01.txt, 1_02.txt, 1_03.txt, 1_04.txt, 1_05.txt, 1_06.txt, 1_07.txt, 1_08.txt, 1_09.txt, 1_10.txt, 1_11.txt, 1_12.txt |
All | 0_00.txt, 0_01.txt, 0_02.txt, 1_00.txt, 1_01.txt, 1_02.txt, 1_03.txt, 1_04.txt, 1_05.txt, 1_06.txt, 1_07.txt, 1_08.txt, 1_09.txt, 1_10.txt, 1_11.txt, 1_12.txt, 2_00.txt, 2_01.txt, 2_02.txt, 2_03.txt, 2_04.txt, 2_05.txt, 2_06.txt, 2_07.txt, 2_08.txt, 2_09.txt, 2_10.txt, 2_11.txt, 2_12.txt, 2_13.txt, 2_14.txt, 2_15.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
0_00.txt | AC | 38 ms | 3064 KB |
0_01.txt | AC | 37 ms | 3064 KB |
0_02.txt | AC | 734 ms | 4944 KB |
1_00.txt | AC | 39 ms | 3064 KB |
1_01.txt | AC | 38 ms | 3064 KB |
1_02.txt | AC | 38 ms | 3064 KB |
1_03.txt | AC | 40 ms | 3064 KB |
1_04.txt | AC | 40 ms | 3064 KB |
1_05.txt | AC | 38 ms | 3064 KB |
1_06.txt | AC | 38 ms | 3064 KB |
1_07.txt | AC | 37 ms | 3064 KB |
1_08.txt | AC | 37 ms | 3064 KB |
1_09.txt | AC | 39 ms | 3064 KB |
1_10.txt | AC | 39 ms | 3064 KB |
1_11.txt | AC | 39 ms | 3064 KB |
1_12.txt | AC | 39 ms | 3064 KB |
2_00.txt | AC | 723 ms | 4944 KB |
2_01.txt | AC | 599 ms | 3572 KB |
2_02.txt | AC | 597 ms | 3572 KB |
2_03.txt | AC | 623 ms | 3572 KB |
2_04.txt | AC | 315 ms | 3316 KB |
2_05.txt | AC | 310 ms | 3316 KB |
2_06.txt | AC | 309 ms | 3316 KB |
2_07.txt | AC | 300 ms | 3316 KB |
2_08.txt | AC | 653 ms | 3572 KB |
2_09.txt | AC | 597 ms | 3572 KB |
2_10.txt | AC | 628 ms | 3572 KB |
2_11.txt | AC | 607 ms | 3572 KB |
2_12.txt | AC | 690 ms | 3572 KB |
2_13.txt | AC | 681 ms | 3572 KB |
2_14.txt | AC | 662 ms | 3572 KB |
2_15.txt | AC | 693 ms | 3788 KB |