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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.     mat=malloc(a*sizeof(int*));
  12. for(i=0;i<a;i++)
  13. {mat[i]=malloc(b*sizeof(int));}
  14.  
  15. for(i=0;i<a;i++)
  16. {for(j=0;j<b;j++)
  17. {mat[i][j]=k++;}
  18. }   
  19. for(i=0;i<a;i++)
  20. {for(j=0;j<b;j++)
  21. {printf("%d ",mat[i][j]);}
  22. printf("\n");}
  23.  
  24.  
  25. free(mat);
  26.  
  27. return 0;
  28. }
Success #stdin #stdout 0.01s 5320KB
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stdin
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stdout
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https://ideone.com/rgkCTC
language:
C (gcc 8.3)
created:
2 days ago
visibility:
public

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