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

MiAzCg==

2 3