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POTransforming a 3x3 two-dimensional array in a 6x6 symmetrical two-dimensional array
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16611189
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2013-05-17T14:11:50.737
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Body
I'm trying to solve an exercise that requires: - fill randomly a 3x3 two-dimensional array - transform the array in a second one with dimension 6x6: 1&nbsp 2&nbsp 3&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp1&nbsp 2&nbsp 3 &nbsp3 &nbsp2&nbsp 1&nbsp 4&nbsp 5&nbsp 6&nbsp&nbsp&nbsp&nbsp&nbsp-> 4&nbsp 5&nbsp 6 &nbsp 6 &nbsp5 4&nbsp 7 &nbsp8&nbsp 9&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp7&nbsp 8&nbsp 9 &nbsp 9 &nbsp8&nbsp 7 &nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp7&nbsp 8&nbsp 9 &nbsp 9 &nbsp8 &nbsp7 &nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp 4&nbsp 5 &nbsp6 &nbsp 6&nbsp 5&nbsp 4 &nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp1&nbsp 2&nbsp 3 &nbsp 3&nbsp 2&nbsp 1 I can't get it working tho' I think the logic must be right. <pre><code>#include <stdio.h> #include <stdlib.h> #define DIM 3 int main() { int i, j, a[DIM][DIM],a1[DIM][DIM], a2[DIM][DIM], a3[DIM][DIM], b[2*DIM][2*DIM]; srand(time(NULL)); for (i = 0; i < DIM; i++) { for (j = 0; j < DIM; j++) { a[i][j] = rand() % 10; } } for (i = 0; i < DIM; i++) { for (j = 0; j < DIM; j++) { printf("%d ", a[i][j]); } printf("\n"); } for (i = 0; i < DIM; i++) { for (j = 0; j < DIM; j++) { a1[i][j] = a[i][DIM - 1 - j]; a2[i][j] = a[DIM - 1 -j][j]; a3[i][j] = a2[i][DIM - 1 - j]; if(i < DIM && j < DIM) b[i][j] = a[i][j]; if(i < DIM && j >= DIM) b[i][j] = a1[i][j]; if(i >= DIM && j < DIM) b[i][j] = a2[i][j]; if(i >= DIM && j >= DIM) b[i][j] = a3[i][j]; } } for (i = 0; i < 2*DIM; i++) { for (j = 0; j < 2*DIM; j++) { printf("%d ", b[i][j]); } printf("\n"); } return 0; </code></pre> }
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Title
Transforming a 3x3 two-dimensional array in a 6x6 symmetrical two-dimensional array
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