Submission #2866043
Source Code Expand
N = int(input()) T = [int(x) for x in input().split()] V = [int(x) for x in input().split()] T.append(0) V.append(0) Vt = [0 for i in range(N + 1)] r = sum(T) R = [0 for i in range(N)] for i in range(N - 1): r -= T[i] R[i] = r for i in range(N - 1, -1, -1): Vt[i] = min(V[i], V[i + 1], Vt[i + 1] + T[i + 1]) L = 0 v0 = 0 for i in range(N): ta = min(V[i] - v0, (T[i] - (v0 - Vt[i])) / 2, T[i]) tb = max(v0 + ta - Vt[i], 0) L += (2 * v0 + ta) * ta / 2 + (v0 + ta) * (T[i] - ta - tb) + (2 * (v0 + ta) - tb) * tb / 2 v0 = v0 + ta - tb print(L)
Submission Info
Submission Time | |
---|---|
Task | D - AtCoder Express |
User | nooka |
Language | Python (3.4.3) |
Score | 400 |
Code Size | 573 Byte |
Status | AC |
Exec Time | 18 ms |
Memory | 3064 KB |
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 400 / 400 | ||||
Status |
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|
Set Name | Test Cases |
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Sample | s1.txt, s2.txt, s3.txt, s4.txt, s5.txt |
All | in01.txt, in02.txt, in03.txt, in04.txt, in05.txt, in06.txt, in07.txt, in08.txt, in09.txt, in10.txt, in11.txt, in12.txt, in13.txt, in14.txt, in15.txt, in16.txt, in17.txt, in18.txt, in19.txt, in20.txt, in21.txt, in22.txt, in23.txt, in24.txt, in25.txt, in26.txt, in27.txt, in28.txt, in29.txt, in30.txt, in31.txt, in32.txt, in33.txt, in34.txt, in35.txt, s1.txt, s2.txt, s3.txt, s4.txt, s5.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
in01.txt | AC | 17 ms | 3064 KB |
in02.txt | AC | 17 ms | 3064 KB |
in03.txt | AC | 17 ms | 3064 KB |
in04.txt | AC | 17 ms | 3064 KB |
in05.txt | AC | 17 ms | 3064 KB |
in06.txt | AC | 17 ms | 3064 KB |
in07.txt | AC | 17 ms | 3064 KB |
in08.txt | AC | 17 ms | 3064 KB |
in09.txt | AC | 17 ms | 3064 KB |
in10.txt | AC | 18 ms | 3064 KB |
in11.txt | AC | 18 ms | 3064 KB |
in12.txt | AC | 17 ms | 3064 KB |
in13.txt | AC | 17 ms | 3064 KB |
in14.txt | AC | 17 ms | 3064 KB |
in15.txt | AC | 17 ms | 3064 KB |
in16.txt | AC | 17 ms | 3064 KB |
in17.txt | AC | 17 ms | 3064 KB |
in18.txt | AC | 17 ms | 3064 KB |
in19.txt | AC | 17 ms | 3064 KB |
in20.txt | AC | 18 ms | 3064 KB |
in21.txt | AC | 17 ms | 3064 KB |
in22.txt | AC | 18 ms | 3064 KB |
in23.txt | AC | 17 ms | 3064 KB |
in24.txt | AC | 17 ms | 3064 KB |
in25.txt | AC | 17 ms | 3064 KB |
in26.txt | AC | 17 ms | 3064 KB |
in27.txt | AC | 17 ms | 3064 KB |
in28.txt | AC | 17 ms | 3064 KB |
in29.txt | AC | 17 ms | 3064 KB |
in30.txt | AC | 17 ms | 3064 KB |
in31.txt | AC | 17 ms | 3064 KB |
in32.txt | AC | 17 ms | 3064 KB |
in33.txt | AC | 18 ms | 3064 KB |
in34.txt | AC | 18 ms | 3064 KB |
in35.txt | AC | 18 ms | 3064 KB |
s1.txt | AC | 17 ms | 3064 KB |
s2.txt | AC | 17 ms | 3064 KB |
s3.txt | AC | 17 ms | 3064 KB |
s4.txt | AC | 17 ms | 3064 KB |
s5.txt | AC | 17 ms | 3064 KB |