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  1. #include <stdio.h>
  2.  
  3. int main(void) {
  4. 	int n, i, j;
  5. 	scanf("%i", &n);
  6.  
  7. 	int mat[n][n];
  8.  
  9. 	for (i = 0; i < n; i++) {
  10. 		for (j = 0; j < n; j++) {
  11. 			scanf("%i", &mat[i][j]);
  12. 		}
  13. 	}
  14.  
  15. 	for (i = 0; i < n; i++) {
  16. 		for (j = 0; j < n; j++) {
  17. 			printf("%i ", mat[i][j]);
  18. 		}
  19. 		printf("\n");
  20. 	}
  21.  
  22. 	int somaDP = 0, somaDS = 0;
  23.  
  24. 	//soma diagonal principal
  25. 	for (i = 0; i < n; i++) {
  26. 		somaDP += mat[i][i];
  27. 	}
  28.  
  29. 	//soma diagonal secundaria
  30. 	for (i = 0; i < n; i++) {
  31. 		somaDS += mat[i][n-i-1];
  32. 	}
  33.  
  34. 	//soma linhas
  35. 	printf("\nSoma das linhas: ");
  36. 	int vetL[n];
  37. 	for (i = 0; i < n; i++) {
  38. 		vetL[i] = 0;
  39. 		for (j = 0; j < n; j++) {
  40. 			vetL[i] += mat[i][j];
  41. 		}
  42. 	}
  43. 	for (i = 0; i < n; i++) {
  44. 		printf("%i ", vetL[i]);
  45. 	}
  46.  
  47. 	//soma colunas
  48. 	printf("\nSoma das colunas: ");
  49. 	int vetC[n];
  50. 	for (j = 0; j < n; j++) {
  51. 		vetC[j] = 0;
  52. 		for (i = 0; i < n; i++) {
  53. 			vetC[j] += mat[i][j];
  54. 		}
  55. 	}
  56. 	for (i = 0; i < n; i++) {
  57. 		printf("%i ", vetC[i]);
  58. 	}
  59.  
  60. 	printf("\nSoma diagonal principal %i e secundaria %i\n", somaDP, somaDS);
  61.  
  62. 	int testaL = 1, testaC = 1;
  63. 	for (i = 1; i <  n; i++) {
  64. 		if (vetL[i] != vetL[i-1]) {
  65. 			testaL = 0;
  66. 			break;
  67. 		} else if (vetC[i] != vetC[i-1]) {
  68. 			testaC = 0;
  69. 			break;
  70. 		}
  71. 	}
  72.  
  73. 	if (testaL && testaC && somaDP == somaDS && somaDP == vetL[0]) {
  74. 		printf("Quadrado magico");
  75. 	} else {
  76. 		printf("Quadrado nao magico");
  77. 	}
  78.  
  79. 	return 0;
  80. }
  81.  
Success #stdin #stdout 0s 2172KB
comments (?)
stdin 
3
8 0 7
4 5 6
3 10 2
stdout 
8 0 7 
4 5 6 
3 10 2 

Soma das linhas: 15 15 15 
Soma das colunas: 15 15 15 
Soma diagonal principal 15 e secundaria 15
Quadrado magico
https://ideone.com/5mdOha
Quadrado Mágico
language:
C (gcc 8.3)
created:
8 years ago
visibility:
public

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