- #include <iostream>
- #include <ctime>
- #include <cstdlib>
- using namespace std;
- void oneArray()
- {
- int size=rand()%10;
- int* pint=new int[size];
- for(int i=0;i<size;++i)
- {
- pint[i]=rand()%100;
- }
- cout<<"one array is "<<endl;
- for(int i=0;i<size;++i)
- {
- cout<<pint[i]<<"\t";
- }
- cout<<endl;
- delete []pint;
- }
- void twoArray()
- {
- int row=rand()%10;
- int column=rand()%10;
- cout<<"row is "<<row<<" column is "<<column<<endl;
- cout<<"two array is"<<endl;
- int** p=new int*[row];
- for(int i=0;i<row;++i)
- {
- p[i]=new int[column];
- }
- for(int i=0;i<row;++i)
- {
- for(int j=0;j<column;++j)
- {
- p[i][j]=rand()%100;
- }
- }
- for(int i=0;i<row;++i)
- {
- for(int j=0;j<column;++j)
- {
- cout<<p[i][j]<<"\t";
- }
- cout<<endl;
- }
- cout<<"delete array"<<endl;
- for(int i=0;i<row;++i)
- {
- delete []p[i];
- }
- delete []p;
- }
- void threeArray()
- {
- cout<<"three array"<<endl;
- int height=rand()%10;
- int row=rand()%10;
- int column=rand()%10;
- cout<<"height is "<<height<<" row is "<<row<<" column is "<<column<<endl;
- int*** p=new int**[height];
- for(int i=0;i<height;i++)
- {
- p[i]=new int*[row];
- }
- for(int i=0;i<height;++i)
- {
- for(int j=0;j<row;++j)
- {
- p[i][j]=new int[column];
- }
- }
- for(int i=0;i<height;++i)
- for(int j=0;j<row;++j)
- for(int k=0;k<column;++k)
- {
- p[i][j][k]=rand()%100;
- }
- for(int i=0;i<height;++i)
- {
- for(int j=0;j<row;++j)
- {
- for(int k=0;k<column;++k)
- {
- cout<<p[i][j][k]<<"\t";
- }
- cout<<endl;
- }
- cout<<endl<<endl;
- }
- cout<<"delete three array"<<endl;
- for(int i=0;i<height;++i)
- {
- for(int j=0;j<row;++j)
- {
- delete []p[i][j];
- }
- }
- for(int i=0;i<height;i++)
- {
- delete []p[i];
- }
- delete []p;
- }
- void main()
- {
- srand(unsigned(time(NULL)));
- oneArray();
- twoArray();
- threeArray();
- int aa;
- cin>>aa;
- }