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  1. #include <iostream>
  2.  
  3. #define N 9
  4. #define M 7
  5.  
  6. int nums = 1; 
  7.  
  8.  
  9. int arr[N][M];
  10.  
  11. using namespace std;
  12.  
  13. void printArr(){
  14. 	for (int i = 0; i < N; i++){
  15. 		for (int j = 0; j < M; j++){
  16. 			cout << arr[i][j] << "\t";
  17. 		}
  18. 		cout << endl;
  19. 	}
  20. }
  21.  
  22. void circle (int k){	
  23.  
  24. 	// levo pravo
  25. 	// int p = k+1 ;
  26. 	for (int i = 0+k; i < M-k; i++){
  27. 		if (arr[N-N+k][i] == 0)
  28. 			arr[N-N+k][i] = nums;
  29. 		nums++;
  30. 	}
  31. 	// verh niz
  32. 	nums--;
  33. 	for (int i = 0+k; i < N-k; i++){
  34. 		if (arr[i][M-1-k] == 0)
  35. 			arr[i][M-1-k] = nums;
  36. 		nums++;
  37. 	}
  38. 	// pravo levo
  39. 	nums--;
  40. 	for (int i = M-(k+1); i >= 0+k; i--){
  41. 		if (arr[N-1-k][i]==0)
  42. 			arr[N-1-k][i] = nums;
  43. 		nums++;
  44. 	}
  45. 	// niz verh
  46. 	nums--;
  47. 	for (int i = N-(k+1); i > 0+k; i--){
  48. 		if (arr[i][0+k] == 0)
  49. 			arr[i][0+k] = nums;
  50. 		nums++;
  51. 	}
  52.  
  53. }
  54.  
  55.  
  56. int main(){
  57.  
  58. 	if (M<N){	
  59. 		for (int k = 0; k < (M+1)/2; k++){		
  60. 			circle(k);	
  61. 		}	
  62. 	} else {
  63. 		for (int k = 0; k < (N+1)/2; k++){		
  64. 			circle(k);	
  65. 		}
  66. 	}
  67.  
  68. 	printArr();
  69.  
  70. 	return 0;
  71. }
Success #stdin #stdout 0s 5628KB
comments (?)
stdin 
Standard input is empty
stdout 
1	2	3	4	5	6	7	
28	29	30	31	32	33	8	
27	48	49	50	51	34	9	
26	47	60	61	52	35	10	
25	46	59	62	53	36	11	
24	45	58	63	54	37	12	
23	44	57	56	55	38	13	
22	43	42	41	40	39	14	
21	20	19	18	17	16	15
https://ideone.com/vdfd3A
language:
C++14 (gcc 8.3)
created:
4 years ago
visibility:
public

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