#include <stdio.h>
#include <stdio.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 = malloc(a*sizeof(int*));
    for(i=0; i<a; i++){
         mat[ i ] = malloc(b*sizeof(int));
    }
 
	//ここで2次元配列に数値を代入する
	int val = 1;
    for(i=0; i<a; i++){
         for(j=0; j<b; j++){
              mat[ i ] [ j ] = val++;
         }
    }
 
    //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