denis_andrei10

rotire matrice

Feb 9th, 2020
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  1. #include<iostream>
  2. #include<fstream>
  3. using namespace std;
  4. ifstream fin("asd.in");
  5. int a[50][50], b[50][50];
  6. int main()
  7. {
  8. int i, j, nrl, nrc, p;
  9. fin>>p>>nrl>>nrc;
  10. for(i=1; i<=nrl; i++)
  11. {
  12. for(j=1; j<=nrc; j++)
  13. {
  14. fin>>a[i][j];
  15.  
  16. }
  17. }
  18. if(p==1)
  19. {
  20. for(i=1; i<=nrl; i++)
  21. {
  22. for(j=1; j<=nrc; j++)
  23. {
  24. b[j][nrl+1-i]=a[i][j];
  25. }
  26. }
  27. for(i=1; i<=nrc; i++)
  28. {
  29. for(j=1; j<=nrl; j++)
  30. {
  31. cout<<b[i][j]<<' ';
  32. }
  33. cout<<endl;
  34. }
  35. }
  36. if(p==2)
  37. {
  38. for(i=1; i<=nrl; i++)
  39. {
  40. for(j=1; j<=nrc; j++)
  41. {
  42. b[nrl-i+1][nrc-j+1]=a[i][j];
  43. }
  44. }
  45. for(i=1; i<=nrl; i++)
  46. {
  47. for(j=1; j<=nrc; j++)
  48. {
  49. cout<<b[i][j]<<' ';
  50. }
  51. cout<<endl;
  52. }
  53. }
  54. if(p==3)
  55. {
  56. for(i=1; i<=nrl; i++)
  57. {
  58. for(j=1; j<=nrc; j++)
  59. {
  60. b[nrc-j+1][i]=a[i][j];
  61. }
  62. }
  63. for(i=1; i<=nrc; i++)
  64. {
  65. for(j=1; j<=nrl; j++)
  66. {
  67. cout<<b[i][j]<<' ';
  68. }
  69. cout<<endl;
  70. }
  71.  
  72. }
  73. return 0;
  74. }
  75. //p1 e 90 grade la dreapta
  76. //p2 e 180 grade la dreapta
  77. //p3 e 270 grade la dreapta
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