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  1. #include <stdio.h>
  2. #include <stdlib.h>
  3.  
  4.  
  5. int main(){
  6.  
  7. 	int i,j,k=1;
  8. 	int a,b;
  9. 	int **mat;
  10. 	scanf("%d %d",&a,&b);
  11. 	mat=(int**)malloc(sizeof(int*)*a);
  12. 	if(mat==NULL){
  13. 		printf("erroe\n");
  14. 	}
  15. 	for(i=0;i<a;i++){
  16. 		mat[i]=(int*)malloc(sizeof(int)*b);
  17. 		if(mat[i]==NULL){
  18. 			printf("error\n");
  19. 			return 0;
  20. 		}
  21. 	}
  22. 	for(i=0;i<a;i++){
  23. 		for(j=0;j<b;j++){
  24. 			mat[i][j]=k;
  25. 			k++;
  26. 		}
  27. 	}
  28.  
  29. 	for(i=0;i<a;i++){
  30. 		for(j=0;j<b;j++){
  31. 			printf("%d ",mat[i][j]);
  32. 		}
  33. 		printf("\n");
  34. 	}
  35.  
  36. 	for(i=0;i<a;i++){
  37. 		free(mat[i]);
  38. 	}
  39. 	free(mat);
  40. 	return 0;
  41. }
Success #stdin #stdout 0.01s 5288KB
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https://ideone.com/kXQjHj
第2回　提出課題1　　前よりは理解した
language:
C (gcc 8.3)
created:
17 hours ago
visibility:
public

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