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  1. #include <stdio.h>
  2. #include <stdlib.h>
  3. int main(){
  4. int i,j,k;
  5. int a,b;
  6. int **mat;
  7. scanf("%d %d",&a,&b);
  8. mat = (int **)malloc(sizeof(int *)*a);
  9. if(mat == NULL){
  10. printf("ERROR\n");
  11. return 0;
  12. }
  13. for(i=0;i<a;i++){
  14. mat[i] = (int *)malloc(sizeof(int)*b);
  15. if(mat[i] == NULL){
  16. printf("ERROR\n");
  17. return 0;
  18. }
  19. }
  20. k = 1;
  21. for(i=0;i<a;i++){
  22. for(j=0;j<b;j++){
  23. mat[i][j] = k++;
  24. }
  25. }
  26. for(i=0;i<a;i++){
  27. for(j=0;j<b;j++){
  28. printf("%d ",mat[i][j]);
  29. }
  30. printf("\n");
  31. }
  32. for(i=0;i<a;i++){
  33. free(mat[i]);
  34. }
  35. free(mat);
  36. return 0;
  37. }
  38.  
Success #stdin #stdout 0s 5324KB
comments (?)
stdin 
2 3
stdout 
1 2 3 
4 5 6
https://ideone.com/3kseTC
language:
C (gcc 8.3)
created:
5 days ago
visibility:
public

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