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  1. using System;
  2.  
  3. public class Test
  4. {
  5.         private static int[,] Assing(int[] subjects, int[] controls, int count) {
  6.             if (count * subjects.Length > controls.Length) {
  7.                 throw new ArgumentException();
  8.             }
  9.             Array.Sort(subjects);
  10.             Array.Sort(controls);
  11.             var subjTimesCount = new int[subjects.Length*count];
  12.             for (var i = 0 ; i < subjects.Length ; i++) {
  13.                 for (var j = 0 ; j != count ; j++) {
  14.                     subjTimesCount[i*count + j] = subjects[i];
  15.                 }
  16.             }
  17.             var mem = new int[subjTimesCount.Length,controls.Length];
  18.             for (var i = 0; i < subjects.Length; i++) {
  19.                 for (var j = 0; j != count; j++) {
  20.                     mem[i,j] = -1;
  21.                 }
  22.             }
  23.             var assignments = new int[subjTimesCount.Length];
  24.             var x = RecAssign(subjTimesCount, controls, mem, 0, 0, assignments);
  25.             Console.WriteLine(x);
  26.             var res = new int[subjects.Length,count];
  27.             for (var i = 0; i < subjects.Length; i++) {
  28.                 for (var j = 0; j != count; j++) {
  29.                     res[i, j] = assignments[i*count + j];
  30.                 }
  31.             }
  32.             return res;
  33.         }
  34.         private static int RecAssign(int[] subjects, int[] controls, int[,] mem, int sp, int cp, int[] assignments) {
  35.             if (sp == subjects.Length) {
  36.                 return 0;
  37.             }
  38.             if (mem[sp, cp] > 0) {
  39.                 return mem[sp, cp];
  40.             }
  41.             var res = Math.Abs(subjects[sp] - controls[cp])
  42.                     + RecAssign(subjects, controls, mem, sp + 1, cp + 1, assignments);
  43.             assignments[sp] = cp;
  44.             if (cp+1+subjects.Length-sp < controls.Length) {
  45.                 var alt = RecAssign(subjects, controls, mem, sp, cp + 1, assignments);
  46.                 if (alt < res) {
  47.                     res = alt;
  48.                 } else {
  49.                     assignments[sp] = cp;
  50.                 }
  51.             }
  52.             mem[sp, cp] = res;
  53.             return res;
  54.         }
  55.         static void Main() {
  56.             var subj = new[] {190, 100};
  57.             var ctrl = new[] {70, 180, 220, 240, 500, 600, 600};
  58.             var res = Assing(subj, ctrl, 2);
  59.             for (var i = 0 ; i != subj.Length ; i++) {
  60.                 for (var j = 0; j != 2; j++) {
  61.                     Console.Error.WriteLine(
  62.                         "{0}:{1} -- subj={2} loc={3} diff:{4}"
  63.                     ,   i
  64.                     ,   j
  65.                     ,   subj[i]
  66.                     ,   ctrl[res[i,j]]
  67.                     ,   Math.Abs(subj[i] - ctrl[res[i,j]])
  68.                     );
  69.                 }
  70.             }
  71.         }
  72. }
Success #stdin #stdout 0.04s 34016KB
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https://ideone.com/Wotmmc
language:
C# (gmcs 5.20.1)
created:
11 years ago
visibility:
public

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