結果
問題 | No.1690 Power Grid |
ユーザー | daut-dlang |
提出日時 | 2021-09-24 22:58:13 |
言語 | D (dmd 2.106.1) |
結果 |
AC
|
実行時間 | 106 ms / 3,000 ms |
コード長 | 3,979 bytes |
コンパイル時間 | 1,736 ms |
コンパイル使用メモリ | 173,856 KB |
実行使用メモリ | 6,948 KB |
最終ジャッジ日時 | 2024-06-22 12:37:02 |
合計ジャッジ時間 | 3,172 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge1 |
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テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 1 ms
6,812 KB |
testcase_01 | AC | 1 ms
6,944 KB |
testcase_02 | AC | 1 ms
6,940 KB |
testcase_03 | AC | 1 ms
6,940 KB |
testcase_04 | AC | 1 ms
6,940 KB |
testcase_05 | AC | 1 ms
6,940 KB |
testcase_06 | AC | 58 ms
6,944 KB |
testcase_07 | AC | 59 ms
6,940 KB |
testcase_08 | AC | 60 ms
6,940 KB |
testcase_09 | AC | 61 ms
6,944 KB |
testcase_10 | AC | 2 ms
6,944 KB |
testcase_11 | AC | 2 ms
6,940 KB |
testcase_12 | AC | 1 ms
6,940 KB |
testcase_13 | AC | 2 ms
6,944 KB |
testcase_14 | AC | 10 ms
6,940 KB |
testcase_15 | AC | 2 ms
6,944 KB |
testcase_16 | AC | 86 ms
6,944 KB |
testcase_17 | AC | 48 ms
6,940 KB |
testcase_18 | AC | 24 ms
6,940 KB |
testcase_19 | AC | 97 ms
6,940 KB |
testcase_20 | AC | 106 ms
6,940 KB |
testcase_21 | AC | 3 ms
6,948 KB |
testcase_22 | AC | 20 ms
6,940 KB |
testcase_23 | AC | 1 ms
6,940 KB |
testcase_24 | AC | 3 ms
6,940 KB |
testcase_25 | AC | 3 ms
6,944 KB |
testcase_26 | AC | 2 ms
6,944 KB |
testcase_27 | AC | 1 ms
6,944 KB |
ソースコード
import std.stdio, std.conv, std.functional, std.string; import std.algorithm, std.array, std.container, std.range, std.typecons; import std.bigint, std.numeric, std.math, std.random; import core.bitop; string FMT_F = "%.10f"; static File _f; void file_io(string fn) { _f = File(fn, "r"); } static string[] s_rd; T _RD(T = long)() { while(!s_rd.length) s_rd = readln.chomp.split; string res = s_rd[0]; s_rd.popFront; return res.to!T; } T _RD(T = long)(File f) { while(!s_rd.length) s_rd = f.readln.chomp.split; string res = s_rd[0]; s_rd.popFront; return res.to!T; } T[] _RDA(T = long)(T fix = 0) { auto r = readln.chomp.split.to!(T[]); r[] += fix; return r; } T[] _RDA(T = long)(File f, T fix = 0) { auto r = f.readln.chomp.split.to!(T[]); r[] += fix; return r; } T RD(T = long)() { if (_f.isOpen) return _RD!T(_f); else return _RD!T; } T[] RDA(T = long)(T fix = 0) { if (_f.isOpen) return _RDA!T(_f, fix); else return _RDA!T(fix); } size_t[] MAKE_IDX(alias less = "a < b", Range)(Range range) { auto idx = new size_t[](range.length); makeIndex!(less)(range, idx); return idx;} size_t MIN_POS(alias less = "a < b", Range)(Range range) { auto r = minPos!(less)(range); return range.length - r.length; } void chmin(T)(ref T x, T y) { x = min(x, y); } void chmax(T)(ref T x, T y) { x = max(x, y); } bool inside(T)(T x, T b, T e) { return x >= b && x < e; } T lcm(T)(T x, T y) { return x * (y / gcd(x, y)); } double[] rotate(double[] vec, double rad) { return [cos(rad)*vec[0] - sin(rad)*vec[1], sin(rad)*vec[0] + cos(rad)*vec[1]]; } //long mod = 10^^9 + 7; long mod = 998_244_353; //long mod = 1_000_003; void moda(ref long x, long y) { x = (x + y) % mod; } void mods(ref long x, long y) { x = ((x + mod) - (y % mod)) % mod; } void modm(ref long x, long y) { x = (x * y) % mod; } void modpow(ref long x, long y) { if (!y) { x = 1; return; } auto t = x; x.modpow(y>>1); x.modm(x); if (y&1) x.modm(t); } void modd(ref long x, long y) { y.modpow(mod - 2); x.modm(y); } struct UnionFind(T) { void init(T n) { par = new T[](n); foreach (i; 0..n) par[i] = i; cnt = new T[](n); fill(cnt, 1); } T root(T i) { return par[i] == i ? i : (par[i] = root(par[i])); } bool same(T i, T j) { return root(i) == root(j); } void unite(T i, T j) { i = root(i); j = root(j); if (i == j) return; par[i] = j; cnt[j] += cnt[i]; } T size(T i) { return cnt[root(i)]; } T[] par, cnt; } void main() { auto N = RD; auto M = RD; auto K = RD; auto A = RDA; auto edges = new long[][][](N); foreach (i; 0..M) { auto X = RD-1; auto Y = RD-1; auto Z = RD; edges[X] ~= [Y, Z]; edges[Y] ~= [X, Z]; } auto dist = new long[][](N, N); foreach (i; 0..N) { dist[i][] = long.max; dist[i][i] = 0; auto q = new RedBlackTree!(long[], "a[1] < b[1]", true); q.insert([i, 0]); while (!q.empty) { auto nd = q.front; q.removeFront; auto u = nd[0]; auto d = nd[1]; foreach (e; edges[u]) { auto v = e[0]; auto z = e[1]; if (d + z < dist[i][v]) { dist[i][v] = d + z; q.insert([v, d+z]); } } } } long[][] edges2; foreach (i; 0..N) { foreach (j; i+1..N) { edges2 ~= [i, j, dist[i][j]]; } } edges2.sort!"a[2] < b[2]"; long ans = long.max; foreach (i; 0..2^^N) { if (popcnt(i) != K) continue; long tmp; UnionFind!long uf; uf.init(N); foreach (e; edges2) { auto x = e[0]; auto y = e[1]; auto z = e[2]; debug writeln("x:", x, " y:", y); if (!(i & (1L << x))) continue; if (!(i & (1L << y))) continue; debug writeln("x:", x, " y:", y); if (uf.same(x, y)) continue; tmp += z; uf.unite(x, y); debug writeln("x:", x, " y:", y); } debug writeln(i, " tmp:", tmp); bool ok = true; long root = -1; foreach (j; 0..N) { if (!(i & (1L << j))) continue; if (root == -1) root = uf.root(j); else if (root != uf.root(j)) ok = false; tmp += A[j]; } debug writeln(i, " tmp:", tmp); if (ok) ans.chmin(tmp); } writeln(ans); stdout.flush; debug readln; }