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Computer cheat sheet <- Fiche Info |
Allocation de mémoire en C / Memory allocation in C
{
| int i,j; | |
| int n = 10; | |
| int m = 20; | |
| int **t; | |
| // allocate memory | |
| t = (int**) malloc ( n * sizeof(int*)); | |
| for (i=0; i<n; i++) | |
| { |
| *(t + i) = (int*) malloc ( m * sizeof(int) ); | ||
| } |
| // fill matrix | |
| for (i=0; i<n; i++) | |
| { |
| for (j=0; j<m; j++) | ||
| { |
| *(*(t + i) + j) = i+j; | |||
| } | |||
| } |
| // print matrix | |
| for (i=0; i<n; i++) | |
| { |
| for (j=0; j<m; j++) | ||
| { |
| printf("%d ", t[i][j]); | ||
| } |
| printf("\n"); | |||
| } |
| // free memory | |
| for (i=0; i<n; i++) | |
| { |
| free(*(t+ i)); | ||
| } |
| free(t); | |
| return 0; |
