Submission #1001443
Source Code Expand
from math import sqrt n = input() P = [map(int, raw_input().split()) for i in xrange(n)] A = [e[2] for e in P] def dist(p, q): return sqrt((p[0] - q[0])**2 + (p[1] - q[1])**2) que = [] for i in xrange(n): for j in xrange(i+1, n): que.append((dist(P[i], P[j]), i, j)) que.sort() memo = [-1]*2**n memo[0] = 0 def calc(state): if memo[state] != -1: return memo[state] res = 0 cnt = 0 for i in xrange(n): if (state >> i) & 1: res += A[i] cnt += 1 parent = range(n) def root(x): if x != parent[x]: parent[x] = x = root(parent[x]) return x def unite(x, y): px = root(x); py = root(y) if px < py: parent[py] = px else: parent[px] = py for d, i, j in que: if (state >> i) & 1 and (state >> j) & 1 and root(i) != root(j): unite(i, j) res -= d res /= float(cnt) memo[state] = res return res dic = {} for i in xrange(n): dic[1<<i] = A[i] def dfs(state): if state in dic: return dic[state] res = calc(state) sub = (state - 1) & state while sub != 0: if sub <= sub ^ state: res = max(res, min(calc(sub ^ state), dfs(sub))) sub = (sub - 1) & state dic[state] = res return res print "%.10f" % dfs(2**n-1)
Submission Info
Submission Time | |
---|---|
Task | E - Water Distribution |
User | yaketake08 |
Language | PyPy2 (5.6.0) |
Score | 1000 |
Code Size | 1425 Byte |
Status | AC |
Exec Time | 698 ms |
Memory | 64796 KB |
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 1000 / 1000 | ||||
Status |
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|
Set Name | Test Cases |
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Sample | example0.txt, example1.txt |
All | 000.txt, 001.txt, 002.txt, 003.txt, 004.txt, 005.txt, 006.txt, 007.txt, 008.txt, 009.txt, 010.txt, 011.txt, 012.txt, 013.txt, 014.txt, 015.txt, 016.txt, 017.txt, 018.txt, 019.txt, 020.txt, 021.txt, 022.txt, 023.txt, 024.txt, 025.txt, 026.txt, 027.txt, 028.txt, 029.txt, 030.txt, 031.txt, 032.txt, 033.txt, 034.txt, 035.txt, 036.txt, 037.txt, 038.txt, 039.txt, 040.txt, 041.txt, 042.txt, 043.txt, example0.txt, example1.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
000.txt | AC | 698 ms | 64796 KB |
001.txt | AC | 583 ms | 53148 KB |
002.txt | AC | 636 ms | 56220 KB |
003.txt | AC | 598 ms | 55324 KB |
004.txt | AC | 538 ms | 47132 KB |
005.txt | AC | 664 ms | 54172 KB |
006.txt | AC | 590 ms | 55324 KB |
007.txt | AC | 593 ms | 50972 KB |
008.txt | AC | 568 ms | 55068 KB |
009.txt | AC | 595 ms | 50716 KB |
010.txt | AC | 695 ms | 55580 KB |
011.txt | AC | 629 ms | 54684 KB |
012.txt | AC | 542 ms | 50716 KB |
013.txt | AC | 559 ms | 53276 KB |
014.txt | AC | 544 ms | 50716 KB |
015.txt | AC | 549 ms | 52764 KB |
016.txt | AC | 549 ms | 50972 KB |
017.txt | AC | 524 ms | 49308 KB |
018.txt | AC | 563 ms | 53916 KB |
019.txt | AC | 545 ms | 51484 KB |
020.txt | AC | 548 ms | 52380 KB |
021.txt | AC | 627 ms | 58652 KB |
022.txt | AC | 612 ms | 57372 KB |
023.txt | AC | 615 ms | 56348 KB |
024.txt | AC | 543 ms | 51356 KB |
025.txt | AC | 604 ms | 54172 KB |
026.txt | AC | 577 ms | 53788 KB |
027.txt | AC | 529 ms | 49308 KB |
028.txt | AC | 570 ms | 52380 KB |
029.txt | AC | 524 ms | 48668 KB |
030.txt | AC | 481 ms | 45596 KB |
031.txt | AC | 536 ms | 50972 KB |
032.txt | AC | 521 ms | 51484 KB |
033.txt | AC | 672 ms | 53020 KB |
034.txt | AC | 497 ms | 50332 KB |
035.txt | AC | 625 ms | 49436 KB |
036.txt | AC | 490 ms | 47644 KB |
037.txt | AC | 613 ms | 50716 KB |
038.txt | AC | 501 ms | 47772 KB |
039.txt | AC | 480 ms | 47004 KB |
040.txt | AC | 39 ms | 8944 KB |
041.txt | AC | 39 ms | 8944 KB |
042.txt | AC | 39 ms | 8944 KB |
043.txt | AC | 90 ms | 14364 KB |
example0.txt | AC | 39 ms | 8944 KB |
example1.txt | AC | 562 ms | 50972 KB |