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  1. #include <stdio.h>
  2. #include <stdlib.h>
  3.  
  4. double findDet(double **arr1){
  5.     int det = 0;
  6.     for(int i=0;i<3;i++){
  7.       det = det + (arr1[0][i]*(arr1[1][(i+1)%3]*arr1[2][(i+2)%3] - arr1[1][(i+2)%3]*arr1[2][(i+1)%3]));
  8.     }
  9.     return det;
  10. }
  11.  
  12. int main()
  13. {
  14.     double determinante;
  15.     double **A = malloc(sizeof(double*) * 3);
  16.     A[0] = malloc(sizeof(double) * 3);
  17.     A[1] = malloc(sizeof(double) * 3);
  18.     A[2] = malloc(sizeof(double) * 3);
  19.     A[0][0] = 5;
  20.     A[0][1] = 2;
  21.     A[0][2] = 4;
  22.     A[1][0] = 1;
  23.     A[1][1] = 2;
  24.     A[1][2] = 3;
  25.     A[2][0] = 2;
  26.     A[2][1] = 2;
  27.     A[2][2] = 5;
  28.  
  29.     determinante = findDet(A);
  30.  
  31.     printf("%f", determinante);
  32.     printf("Programa finalizado");
  33.     return 0;
  34. }
  35.  
Success #stdin #stdout 0s 5592KB
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stdin
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Standard input is empty
stdout
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14.000000Programa finalizado
https://ideone.com/3aGuNs
language:
C (gcc 8.3)
created:
3 years ago
visibility:
public

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