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

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

MiAzCg==

2 3