#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=1;
    int a,b;
    int **mat;
    scanf("%d %d",&a,&b);
    mat=(int**)malloc(sizeof(int*)*a);
    if(mat==NULL){ printf("ERROR\n"); return 0; }
    for(i=0;i<a;i++){
    	mat[i]=(int*)malloc(sizeof(int)*b);
    	if(mat[i]==NULL) { printf("ERROR\n"); return 0; }
    }
    for(i=0;i<a;i++){
    	for(j=0;j<b;j++){
    		mat[i][j]=k++;
    	}
    }
    for(i=0;i<a;i++){
        for(j=0;j<b;j++){
            printf("%d ",mat[i][j]);
        }
        printf("\n");
    }
free(mat);
    return 0;
}

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

Mgoz

2
3