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  1. #include <stdio.h>
  2. #include <stdlib.h>
  3.  
  4.  
  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. 	if(mat ==NULL){printf("ERROR\n");return 0;}
  14. 	for(i =0;i<a;i++){
  15. 		mat[i]=(int*)malloc(sizeof(int)*b);
  16. 		if(mat[i]==NULL){printf("ERROR\n");return 0;}
  17. 	}
  18. 	for(i=0;i<a;i++){
  19. 		for(j=0;j<b;j++){
  20. 			mat[i][j]=k++;
  21. 		}
  22. 	}
  23.  
  24.  
  25.     //以下の部分は表示の部分です
  26.     //いじらなくてOK
  27.     for(i=0;i<a;i++){
  28.         for(j=0;j<b;j++){
  29.             printf("%d ",mat[i][j]);
  30.         }
  31.         printf("\n");
  32.     }
  33.  
  34.     free(mat);
  35.  
  36.  
  37.     return 0;
  38. }
  39.  
Success #stdin #stdout 0s 5324KB
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https://ideone.com/404QcG
language:
C (gcc 8.3)
created:
12 days ago
visibility:
public

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