#include <stdio.h>
#include <stdlib.h>
 
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(sizeof(int *) * a);
   for(i=0;i<a;i++){
        mat[i] = (int *)malloc(sizeof(int) * b);
    }
    // ここで2次元配列に数値を代入する
    k = 1;
    for(i=0;i<a;i++){
        for(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");
    }
    // 最後にメモリを解放する
    for(i=0;i<a;i++){
        free(mat[i]);
    }
    free(mat);
 
    return 0;
}

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

MiAz

2 3