fork(1) download
copy 
  1. #include <stdio.h>
  2. #include <stdlib.h>
  3.  
  4.  
  5.  
  6. int main(){
  7.     int i,j,k;
  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.  
  26. 	//ここで2次元配列に数値を代入する
  27.  
  28.  
  29.     //以下の部分は表示の部分です
  30.     //いじらなくてOK
  31.     for(i=0;i<a;i++){
  32.         for(j=0;j<b;j++){
  33.             printf("%d ",mat[i][j]);
  34.         }
  35.         printf("\n");
  36.     }
  37.  
  38.     free(mat);
  39.  
  40.  
  41.     return 0;
  42. }
  43.  
Success #stdin #stdout 0s 5320KB
comments (?)
stdin
copy 
2 3
stdout
copy 
0 1 2 
3 4 5
https://ideone.com/k4JuYj
language:
C (gcc 8.3)
created:
12 days ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!