結果
問題 | No.90 品物の並び替え |
ユーザー |
![]() |
提出日時 | 2019-05-14 21:44:48 |
言語 | D (dmd 2.109.1) |
結果 |
AC
|
実行時間 | 147 ms / 5,000 ms |
コード長 | 1,687 bytes |
コンパイル時間 | 2,279 ms |
コンパイル使用メモリ | 168,412 KB |
実行使用メモリ | 6,944 KB |
最終ジャッジ日時 | 2024-06-22 01:13:07 |
合計ジャッジ時間 | 2,935 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge1 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 1 |
other | AC * 9 |
ソースコード
import std.stdio, std.conv, std.string;import std.array, std.range, std.algorithm, std.container;import std.math, std.random, std.bigint, std.datetime, std.format;string read(){ static string[] ss; while(!ss.length) ss = readln.chomp.split; string res = ss[0]; ss.popFront; return res; }int DEBUG_LEVEL = 0;void print()(){ writeln(""); }void print(T, A ...)(T t, lazy A a){ write(t), print(a); }void print(int level, T, A ...)(T t, lazy A a){ if(level <= DEBUG_LEVEL) print(t, a); }void main(string[] args){if(args.length > 1 && args[1] == "-debug"){if(args.length > 2 && args[2].isNumeric) DEBUG_LEVEL = args[2].to!int;else DEBUG_LEVEL = 1;}long n = read.to!long;long m = read.to!long;X[] xs;foreach(i; 0 .. m){long from = read.to!long;long to = read.to!long;long value = read.to!long;xs ~= new X(from, to, value);}long bestscore = -1;long[] as;foreach(i; 0 .. n) as ~= i;while(1){long score;foreach(x; xs) if(as[x.from] < as[x.to]) score += x.value;if(score > bestscore) bestscore = score;// next permutation 順列 next_permutationlong i0 = -1;foreach(i; 0 .. as.length - 1) if(as[i] < as[i + 1]) i0 = i;if(i0 < 0) break;long i1 = -1;foreach(i; i0 + 1 .. as.length) if(as[i0] < as[i]) i1 = i;long z;z = as[i1], as[i1] = as[i0], as[i0] = z;foreach(k; 0 .. (as.length - i0 - 1) / 2){z = as[i0 + 1 + k], as[i0 + 1 + k] = as[$ - 1 - k], as[$ - 1 - k] = z;}print!1("i0:", i0, " i1:", i1, " as:", as);}bestscore.writeln;}class X{long from, to;long value;this(long from, long to, long value){this.from = from, this.to = to;this.value = value;}}