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May 4th, 2015
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  1. // AlgPrima.cpp : Defines the entry point for the console application.
  2. //
  3.  
  4. #include "stdafx.h"
  5. #include <iostream>
  6. #include <math.h>
  7. #include <time.h>
  8. using namespace std;
  9.  
  10. class Graph {
  11. public:
  12. int M[5][5];
  13. int Result[4][2];
  14. // Отобранные вершины
  15. int V[5];
  16. Graph(){
  17. for(int i=0;i<5;i++){
  18. M[i][i]=-1;
  19. }
  20. for(int i=1;i<5;i++){
  21. for(int j=0;j<i;j++){
  22. M[i][j]=rand()%10+1;
  23. M[j][i]=M[i][j];
  24. }
  25. }
  26. for(int i=0;i<5;i++){
  27. V[i] = -1;
  28. }
  29. V[0] = 0;
  30. }
  31. void Show(){
  32. for(int i=0;i<5;i++){
  33. for(int j=0;j<5;j++){
  34. cout<<M[i][j]<<"\t";
  35. }
  36. cout<<"\n";
  37. }
  38. }
  39. void Search(){
  40. bool Ib, Jb;
  41. int min,imin,jmin;
  42. for (int k=0; k<4; k++) {
  43. Ib = false;
  44. Jb = false;
  45. min = 999;
  46. for(int i=1;i<5;i++){
  47. Ib = Proverka(i);
  48. for(int j=0;j<i;j++){
  49. Jb = Proverka(j);
  50. if (Ib && Jb) {
  51. continue;
  52. }
  53. if (Ib || Jb) {
  54. if(M[i][j]<min){
  55. min=M[i][j];
  56. imin=i;
  57. jmin=j;
  58. }
  59. }
  60. }
  61. }
  62. Result[k][0] = imin;
  63. Result[k][1] = jmin;
  64. V[k+1] = Proverka(imin) ? jmin : imin;
  65. }
  66. }
  67. void Ostov()
  68. {
  69. for (int k=0; k<4; k++) {
  70. cout<<"("<<Result[k][0]<<";"<<Result[k][1]<<") = "<<M[Result[k][0]][Result[k][1]]<<endl;
  71. }
  72. }
  73. bool Proverka(int i)
  74. {
  75. for(int k=0;k<5;k++){
  76. if (V[k] == i) {
  77. return true;
  78. }
  79. }
  80. return false;
  81. }
  82.  
  83. };
  84.  
  85. int main()
  86. {
  87. setlocale(LC_CTYPE, "Rus");
  88. srand(unsigned(time(NULL)));
  89. Graph G;
  90. G.Show();
  91. G.Search();
  92. G.Ostov();
  93. return 0;
  94. }
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