#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,c;
    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)*b);
    if(mat==NULL){
    	printf("ERRPR\n");
    	return 0;
    }
 
    for(k=0;k<b;k++){
    mat[k] = (int*)malloc(sizeof(int)*a);
    }
 
    if(mat[k]==NULL){
    	printf("ERRPR\n");
    	return 0;
    }
 
	//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++){
        	c++;
            mat[i][j]=c;
        }
	}
 
    //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);
 
    return 0;
}
 

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