#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
	int value = 1;
    for (i = 0; i < a; i++) {
        for (j = 0; j < b; j++) {
            mat[i][j] = value++;
        }
    }
 
    //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