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Feb 24th, 2020
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  1. ///PARCURGEREA IN SPIRALA A MATRICEI DREPTUNGHIULARE
  2. #include <iostream>
  3. using namespace std;
  4. int main()
  5. {
  6. int a[100][100],n,m,i,j,k,l,c,r,min;
  7. cout<<"m=";
  8. cin>>m;
  9. cout<<"n=";
  10. cin>>n;
  11. for(i=1;i<=m;i++)
  12. for(j=1;j<=n;j++)
  13. {
  14. cout<<"a["<<i<<"]["<<j<<"]=";
  15. cin>>a[i][j];
  16. }
  17. for(i=1;i<=m;i++)
  18. {
  19. cout<<endl;
  20. for(j=1;j<=n;j++)
  21. cout<<a[i][j]<<' ';
  22. }
  23. cout<<endl<<endl;
  24. if(m<n)
  25. {
  26. min=m;
  27. l=1;
  28. }
  29. else
  30. if(n<m)
  31. {
  32. min=n;
  33. c=1;
  34. }
  35. r=min/2;
  36. for(k=1;k<=r;k++)
  37. {
  38. for(j=k;j<=n-k+1;j++)
  39. cout<<a[k][j]<<' ';
  40. for(i=k+1;i<=m-k+1;i++)
  41. cout<<a[i][n+1-k]<<' ';
  42. for(j=n-k;j>=k;j--)
  43. cout<<a[m+1-k][j]<<' ';
  44. for(i=m-k;i>=k+1;i--)
  45. cout<<a[i][k]<<' ';
  46. }
  47. if(min%2!=0)
  48. {
  49. if(c==1)
  50. for(i=r+1;i<=m-r;i++)
  51. cout<<a[i][(n+1)/2]<<' ';
  52. if(l==1)
  53. for(j=r+1;j<=n-r;j++)
  54. cout<<a[(m+1)/2][j]<<' ';
  55.  
  56. }
  57. return 0;
  58. }
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