C++利用函数动态创建二维数组

#include<iostream>#include<string>#include<stdio.h>#include<algorithm>using namespace std;int **creat(int m,int n){ int **p; int i,j; p = new int *[m]; for(i=0;i<m;i++) { p[i]=new int[n]; } for(i=0;i<m;i++) for(j=0;j<n;j++) cin>>p[i][j]; return p;}int main(){ int **p; int m,n; cout<<"input row and col:"; cin>>m>>n; p=creat(m,n); cout<<"output:"<<endl; for(int i=0;i<m;i++) { for(int j=0;j<n;j++) {  cout<<p[i][j]<<" "; } cout<<endl; }  return 0;}