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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.     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.  
  19.     for(i=0; i<a; i++){
  20.         for(j=0; j<b; j++){
  21.              mat[i][j]=k++;
  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.     for(i=0; i<a; i++){
  35.         free(mat[i]);
  36.     }
  37.     free(mat);
  38.  
  39.      return 0;
  40. }
  41.  
Success #stdin #stdout 0s 5280KB
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https://ideone.com/c3JhX2
プロ4 課題1(2)
language:
C (gcc 8.3)
created:
17 days ago
visibility:
public

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