#include <stdio.h>
#include <stdlib.h>
 
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++;
        }
    }
 
    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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

MiAzCg==

2 3