c++动态分配二维数组

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代码

#include <iostream>
using namespace std;typedef int Type;
Type** create(int row, int col);
void destory(Type** p, int row);int main()
{int row, col;cin >> row >> col;Type **arr = create(row, col);for (int i = 0; i < row; i++){for (int j = 0; j < col; j++){arr[i][j] = i * 10 + j + 1;cout << arr[i][j] << "\t";}cout << endl;}return 0;
}Type** create(int row, int col)
{if (row <= 0 || col <= 0){return NULL;}Type **p = new Type*[row];for (int i = 0; i < row; i++){p[i] = new Type[col];}return p;
}void destory(Type** p, int row)
{if (p == NULL || row <= 0){return;}for (int i = 0; i < row; i++){delete[] p[i];}delete[] p;
}

参考

c/c++动态分配

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