#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(sizeof(int*)*a);
    for(i=0;i<a;i++)
    mat[i]=(int*)malloc(sizeof(int)*b);
 
	//ここで2次元配列に数値を代入する
	for(j=0;j<a;j++){
		for(k=0;k<b;k++){
			mat[j][k]=j*b+k+1;
		}
	}
 
    //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？
    free(mat);
    for(i=0;i<a;i++)
    free(mat[i]);
 
    return 0;
}
 

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

MiAz

2 3