Submission #2708431
Source Code Expand
# seishin.py from collections import deque N = int(input()) *P, = map(int, input().split()) MOD = 10**9 + 7 G = [[] for i in range(N+1)] for i, p in enumerate(P): G[p].append(i+1) Q = [None]*(N+1) for i in range(N, -1, -1): # 子ノードのdequeを集める R = None for j in G[i]: S = Q[j] if not R: R = S continue # |R| > |S| if len(R) < len(S): R, S = S, R # dequeの小さい方から大きい方へマージする処理 for s, r in zip(S, R): a0, a1, a2, c0 = s b0, b1, b2, c1 = r r[0] = a0*b0 % MOD r[1] = (a0*b1 + a1*b0) % MOD r[2] = (a0*b2 + a1*b1 + a2*b0 + a1*b2 + a2*b2 + a2*b1) % MOD r[3] = c0+c1 if R: # a0 <- a2 for e in R: e[0] += e[2] e[2] = 0 R.appendleft([1, 1, 0, 1]) Q[i] = R else: Q[i] = deque([[1, 1, 0, 1]]) ans = 0 for a0, a1, a2, c in Q[0]: ans += pow(2, N+1-c, MOD) * a1 % MOD print(ans % MOD)
Submission Info
Submission Time | |
---|---|
Task | E - Smuggling Marbles |
User | yaketake08 |
Language | PyPy3 (2.4.0) |
Score | 400 |
Code Size | 1117 Byte |
Status | TLE |
Exec Time | 3162 ms |
Memory | 184772 KB |
Judge Result
Set Name | Sample | Subtask1 | All | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 400 / 400 | 0 / 600 | ||||||||
Status |
|
|
|
Set Name | Test Cases |
---|---|
Sample | 00_example_01.txt, 00_example_02.txt, 00_example_03.txt |
Subtask1 | 00_example_01.txt, 00_example_02.txt, 00_example_03.txt, s1_01.txt, s1_02.txt, s1_03.txt, s1_04.txt, s1_05.txt, s1_06.txt, s1_07.txt, s1_08.txt, s1_09.txt, s1_10.txt, s1_11.txt, s1_12.txt, s1_13.txt, s1_14.txt, s1_15.txt, s1_16.txt, s1_17.txt |
All | 00_example_01.txt, 00_example_02.txt, 00_example_03.txt, s1_01.txt, s1_02.txt, s1_03.txt, s1_04.txt, s1_05.txt, s1_06.txt, s1_07.txt, s1_08.txt, s1_09.txt, s1_10.txt, s1_11.txt, s1_12.txt, s1_13.txt, s1_14.txt, s1_15.txt, s1_16.txt, s1_17.txt, s2_01.txt, s2_02.txt, s2_03.txt, s2_04.txt, s2_05.txt, s2_06.txt, s2_07.txt, s2_08.txt, s2_09.txt, s2_10.txt, s2_11.txt, s2_12.txt, s2_13.txt, s2_14.txt, s2_15.txt, s2_16.txt, s2_17.txt, s2_18.txt, s2_19.txt, s2_20.txt, s2_21.txt, s2_22.txt, s2_23.txt, s2_24.txt, s2_25.txt, s2_26.txt, s2_27.txt, s2_28.txt, s2_29.txt, s2_30.txt, s2_31.txt, s2_32.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
00_example_01.txt | AC | 161 ms | 38256 KB |
00_example_02.txt | AC | 165 ms | 38256 KB |
00_example_03.txt | AC | 161 ms | 38256 KB |
s1_01.txt | AC | 164 ms | 38256 KB |
s1_02.txt | AC | 172 ms | 39152 KB |
s1_03.txt | AC | 186 ms | 41200 KB |
s1_04.txt | AC | 161 ms | 38256 KB |
s1_05.txt | AC | 170 ms | 39024 KB |
s1_06.txt | AC | 184 ms | 42096 KB |
s1_07.txt | AC | 164 ms | 38384 KB |
s1_08.txt | AC | 192 ms | 40688 KB |
s1_09.txt | AC | 171 ms | 39280 KB |
s1_10.txt | AC | 196 ms | 42480 KB |
s1_11.txt | AC | 163 ms | 38256 KB |
s1_12.txt | AC | 185 ms | 41072 KB |
s1_13.txt | AC | 162 ms | 38256 KB |
s1_14.txt | AC | 198 ms | 42608 KB |
s1_15.txt | AC | 204 ms | 42480 KB |
s1_16.txt | AC | 194 ms | 42096 KB |
s1_17.txt | AC | 203 ms | 43376 KB |
s2_01.txt | AC | 271 ms | 55404 KB |
s2_02.txt | AC | 219 ms | 45036 KB |
s2_03.txt | AC | 676 ms | 123108 KB |
s2_04.txt | AC | 460 ms | 97660 KB |
s2_05.txt | AC | 629 ms | 131440 KB |
s2_06.txt | AC | 915 ms | 150892 KB |
s2_07.txt | AC | 601 ms | 125860 KB |
s2_08.txt | AC | 371 ms | 78268 KB |
s2_09.txt | AC | 903 ms | 143880 KB |
s2_10.txt | AC | 734 ms | 131536 KB |
s2_11.txt | AC | 537 ms | 184772 KB |
s2_12.txt | AC | 185 ms | 42992 KB |
s2_13.txt | TLE | 3161 ms | 106264 KB |
s2_14.txt | TLE | 3161 ms | 106264 KB |
s2_15.txt | TLE | 3161 ms | 98432 KB |
s2_16.txt | AC | 223 ms | 51568 KB |
s2_17.txt | AC | 214 ms | 45168 KB |
s2_18.txt | AC | 374 ms | 120840 KB |
s2_19.txt | AC | 314 ms | 88588 KB |
s2_20.txt | AC | 890 ms | 133672 KB |
s2_21.txt | AC | 823 ms | 125336 KB |
s2_22.txt | AC | 943 ms | 159860 KB |
s2_23.txt | AC | 866 ms | 131628 KB |
s2_24.txt | AC | 553 ms | 128408 KB |
s2_25.txt | AC | 639 ms | 137112 KB |
s2_26.txt | AC | 1349 ms | 126104 KB |
s2_27.txt | TLE | 3162 ms | 111384 KB |
s2_28.txt | TLE | 3161 ms | 110104 KB |
s2_29.txt | TLE | 3161 ms | 115768 KB |
s2_30.txt | TLE | 3161 ms | 114108 KB |
s2_31.txt | TLE | 3161 ms | 115260 KB |
s2_32.txt | TLE | 3161 ms | 114232 KB |