#include <stdio.h>
#include <stdlib.h>
 
int main(){
    int i,j,k=1;
    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("ERROR\n");
    	return 0;
    }
 
    for(i=0;i<a;i++){
    	mat[i]=(int**)malloc(sizeof(int*)*a);
    	if(mat[i]==NULL){
    		printf("ERROR\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++){
		mat[i][j]=k++;
		}
	}
    //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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

MiAzCg==

2 3