Submission #2711477
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) A = [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 k = len(G[i]) if k: r = [[pow(2, k, MOD) - k, k, 0, k]] else: r = [] if R: # a0 <- a2 for e in R: e[0] += e[2] e[2] = 0 r.extend(R) Q[i] = r else: Q[i] = r ans = pow(2, N, MOD) for a0, a1, a2, c in Q[0]: ans += pow(2, N+1-c, MOD) * a1 % MOD print(ans % MOD)
Submission Info
Submission Time | |
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Task | E - Smuggling Marbles |
User | yaketake08 |
Language | PyPy3 (2.4.0) |
Score | 400 |
Code Size | 1215 Byte |
Status | TLE |
Exec Time | 3211 ms |
Memory | 916800 KB |
Judge Result
Set Name | Sample | Subtask1 | All | ||||||||
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Score / Max Score | 0 / 0 | 400 / 400 | 0 / 600 | ||||||||
Status |
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Set Name | Test Cases |
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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 | 160 ms | 38256 KB |
00_example_02.txt | AC | 163 ms | 38256 KB |
00_example_03.txt | AC | 161 ms | 38256 KB |
s1_01.txt | AC | 165 ms | 38256 KB |
s1_02.txt | AC | 164 ms | 38256 KB |
s1_03.txt | AC | 188 ms | 41456 KB |
s1_04.txt | AC | 161 ms | 38256 KB |
s1_05.txt | AC | 163 ms | 38256 KB |
s1_06.txt | AC | 174 ms | 39792 KB |
s1_07.txt | AC | 163 ms | 38256 KB |
s1_08.txt | AC | 230 ms | 59868 KB |
s1_09.txt | AC | 173 ms | 39536 KB |
s1_10.txt | AC | 182 ms | 40304 KB |
s1_11.txt | AC | 163 ms | 38256 KB |
s1_12.txt | AC | 180 ms | 40432 KB |
s1_13.txt | AC | 161 ms | 38256 KB |
s1_14.txt | AC | 205 ms | 42608 KB |
s1_15.txt | AC | 206 ms | 42352 KB |
s1_16.txt | AC | 184 ms | 40304 KB |
s1_17.txt | AC | 198 ms | 41580 KB |
s2_01.txt | AC | 294 ms | 53872 KB |
s2_02.txt | AC | 219 ms | 44144 KB |
s2_03.txt | AC | 544 ms | 100324 KB |
s2_04.txt | AC | 411 ms | 76924 KB |
s2_05.txt | AC | 510 ms | 102512 KB |
s2_06.txt | AC | 700 ms | 125724 KB |
s2_07.txt | AC | 561 ms | 101284 KB |
s2_08.txt | AC | 384 ms | 71356 KB |
s2_09.txt | AC | 592 ms | 117796 KB |
s2_10.txt | AC | 599 ms | 110544 KB |
s2_11.txt | AC | 261 ms | 85864 KB |
s2_12.txt | AC | 173 ms | 39920 KB |
s2_13.txt | TLE | 3211 ms | 916792 KB |
s2_14.txt | TLE | 3210 ms | 916800 KB |
s2_15.txt | TLE | 3211 ms | 913836 KB |
s2_16.txt | AC | 235 ms | 49004 KB |
s2_17.txt | AC | 206 ms | 42860 KB |
s2_18.txt | AC | 325 ms | 85640 KB |
s2_19.txt | AC | 279 ms | 65164 KB |
s2_20.txt | AC | 722 ms | 124600 KB |
s2_21.txt | AC | 658 ms | 124440 KB |
s2_22.txt | AC | 568 ms | 123668 KB |
s2_23.txt | AC | 677 ms | 125752 KB |
s2_24.txt | AC | 628 ms | 173208 KB |
s2_25.txt | AC | 1258 ms | 278840 KB |
s2_26.txt | TLE | 3203 ms | 771384 KB |
s2_27.txt | TLE | 3211 ms | 916152 KB |
s2_28.txt | TLE | 3206 ms | 829752 KB |
s2_29.txt | TLE | 3210 ms | 896184 KB |
s2_30.txt | TLE | 3210 ms | 895800 KB |
s2_31.txt | TLE | 3205 ms | 819512 KB |
s2_32.txt | TLE | 3205 ms | 820408 KB |