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  1. #include <stdio.h>
  2. #include <stdlib.h>
  3.  
  4. //必要があれば変数などを追加してもOKです
  5.  
  6. int main(){
  7.     int i,j,k=1;
  8.     int a,b;
  9.     int **mat;
  10.     scanf("%d %d",&a,&b);
  11.  
  12. 	mat=(int **)malloc(sizeof(int*)*a);
  13. 	for(i=0;i<a;i++) mat[i]=(int*)malloc(sizeof(int)*b);
  14. 	for(i=0;i<a;i++){
  15. 		for(j=0;j<b;j++){
  16. 			mat[i][j]=k;
  17. 			k++;
  18. 		}
  19. 	}
  20.  
  21.     for(i=0;i<a;i++){
  22.         for(j=0;j<b;j++){
  23.             printf("%d ",mat[i][j]);
  24.         }
  25.         printf("\n");
  26.     }
  27.  
  28.     free(*mat);
  29.     free(mat);
  30.  
  31.  
  32.     return 0;
  33. }
Success #stdin #stdout 0s 5268KB
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stdin
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3 4
stdout
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5 6 7 8 
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https://ideone.com/7ckXAg
kadai1 11/14
language:
C (gcc 8.3)
created:
1 day ago
visibility:
public

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