二维

//-------------------------------------
//this code is for testing
# include <stdio.h>
# include <stdlib.h>
# include <math.h>
# include <iostream>
# include <fstream>
# include <string>
# include <string.h>
#include  <iomanip>
using namespace std;
/*
/*
int start = 1, stop = 4,  step = 1;
int N = 2;

int xgrid,ygrid,zgrid,grid;
double xlo, xhi;
double ylo, yhi;
double zlo, zhi;

//reading
int test_in (FILE *fp, double *l1,double *l2,double *l3,double *l4){
    //long istep,numatoms,i;
    char temp[256];
    while(feof(fp) == 0){
        fgets(temp,256,fp);//read one line
									for (int i = 0; i< N; i++) {
												fscanf(fp,"%lf%lf%lf%lf \n",&l1[i],&l2[i],&l3[i],&l4[i]);
									}
    }
    return (0);
}


int main(){
	double   *l1; double *l2;double *l3;double *l4;
	int istep;
	l1       = (double*)malloc(N*sizeof(double));
	l2       = (double*)malloc(N*sizeof(double));
	l3       = (double*)malloc(N*sizeof(double));
	l4       = (double*)malloc(N*sizeof(double));

	FILE * fp;  char fn[256];
	ofstream outfile0("readfilename.dat",ios::out);
	ofstream outfile1("final.txt",ios::out);

	for (istep = start; istep < stop + 1; istep += step) {
					sprintf(fn, "%d.txt",istep);
					fp = fopen(fn,"r");
		//read in on snapshot
	if (fp) {
				 test_in (fp,l1,l2,l3,l4);
					fclose(fp);
	}
	else{
						fprintf(stderr,"there isn't the file %d.txt\n",istep);  fflush(stderr);
					}


	//print
							outfile0<<"now is reading txt : "<<istep <<" "<<endl;

	//
	//if(istep == outstep){
							outfile1<<"l1 l2 l3 target \n"<<endl;
	for (int i = 0; i<4; i++) {
					outfile1<<l1[i]<<" "<<l2[i]<<" "<<l3[i]<<" "<<l4[i]<<" "<<endl;

	}
	}

	outfile0.close();
	outfile1.close();
	free(l1);free(l2); free(l3);
	free(l4);
	cout<<" ........finish........."<<endl;
	return(1);
}
*/
/*
a[2][3][1];

1 2 3
4 5 6

a[2][3][0];
7   8  9
10 11 12
*/

/*
int main(){
int (*cp)[2][3] =  new int [3][3][4];//创建一个动态的三维数组
for (int i = 0;i<2;i++)//给数组的每一个元素赋值
	for(int j = 0;j<3;j++)
		for(int k = 0; k<4; k++){
			*(*(*(cp + i) +j) + k) = (i * 100 + j * 10 + k) ;
		}
for(int i = 0;i<7;i++){
	for(int j = 0;i<9 ;i++){
		for(int k = 0;k<8; k++){
			cout<<cp[i][j][k]<<" ";
				cout << endl;
		}
			cout << endl;
			}
			}
delete[] cp;
return 0;
}


*/

#include <iostream>
using namespace std;

int main() {
    
    
    int a[2][2][2]={
    
    1,2,3,4,5,6,7,8};
    int b[2][3] = {
    
    11,12,13,14,15,16};
    int **p;


    int c[2]={
    
    1,2};
    int *pp;

    /*
    11,12
    13,14
    */
    p = (int **) malloc(2 * sizeof(int *));
    for(int y=0;y<3;y++)
    {
    
    
        p[y]=(int *)malloc(sizeof(int));
        cout<<"p["<<y<<"]="<<p[y]<<endl;
    }




    for(int i=0;i<2;i++)
    {
    
    
        for(int j=0;j<3;j++)
        {
    
    
            /*for(int k=0;k<2;k++)
            {
                cout<<a[j][i][k]<<endl;
            }*/
            //cout<<"b["<<i<<"]["<<j<<"] = "<<b[i][j]<<"   ";
            //p=b;
            p[i][j]=b[i][j];
            //cout<<" "<<*(*(p+i)+j);
            cout<<" "<<p[i][j];
        }
        cout<<endl;
    }
}