#include <stdio.h>
#include <stdlib.h>
 
//必要があれば変数などを追加してもOKです
 
int main(){
    int i,j,k;
    int a,b;
    int **mat;
    scanf("%d %d",&a,&b);
 
	//ここで2次元配列の動的確保をする
    mat=(int**)malloc(a*sizeof(int*));
    for(i=0;i<a;i++)
    {
        mat[i]=(int*)malloc(b*sizeof(int));
    }
 
	//ここで2次元配列に数値を代入する
    for(i=0;i<a;i++)
    {
        for(j=0;j<b;j++)
        {
            scanf("%d",&mat[i][j]);
        }
    }
 
    //以下の部分は表示の部分です
    //いじらなくてOK
    for(i=0;i<a;i++){
        for(j=0;j<b;j++){
            printf("%d ",mat[i][j]);
        }
        printf("\n");
    }
 
    //さて，最後に忘れずにすることと言えば？
    for(i=0;i<a;i++)
    {
       free(mat[i]);
    }
    free(mat);
 
    return 0;
}

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

MiAz

2 3