#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);
 
	mat = (int **)malloc(a * sizeof(int *));
    for(i = 0; i < a; i++){
        mat[i] = (int *)malloc(b * sizeof(int));
    }
 
    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");
    }
 
    for(i = 0; i < a; i++){
        free(mat[i]);
    }
    free(mat);
 
 
    return 0;
}
 

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

MiA0

2 4