b/C + + two-dimensional arrays

Two-dimensional arrays are used in C language

1#include <iostream>2#include <stdlib.h>3 using namespacestd;4 5 voidPRINT_ARR_FUN1 (intarr[][3],introw) {6      for(inti =0; i < row; ++i) {7          for(intj =0; J <3; ++j)8cout << Arr[i][j] <<" ";9cout <<Endl;Ten     }    One } A  - voidPrint_arr_fun2 (int*arr,intRowintCol) { -      for(inti =0; i < row; ++i) { the          for(intj =0; J < Col; ++j) -cout << * (arr + i * row + j) <<" ";  -cout <<Endl; -     }    + } -  + voidPRINT_ARR_FUN3 (int**arr,intRowintCol) { A      for(inti =0; i < row; ++i) { at          for(intj =0; J < Col; ++j) -cout << Arr[i][j] <<" ";  -cout <<Endl; -     }    - } -  in intMain () { -     Const introw =2;//here is the const to     Const intCol =3; +     intArr1[row][col]; -      for(inti =0; i < row; ++i) the          for(intj =0; J < Col; ++j) *ARR1[I][J] = i * col +J; $ Panax Notoginsengcout <<"print_arr_fun1---------------------------"<<Endl; - print_arr_fun1 (arr1, row); thecout <<"print_arr_fun2---------------------------"<<Endl; +Print_arr_fun2 ((int*) arr1, Row, col); A  thecout <<"Print_arr_fun3---------------------------"<<Endl; +     int**ARR2 = (int**)malloc(sizeof(int*) *row); -     //malloc $      for(inti =0; i < row; ++i) $Arr2[i] = (int*)malloc(sizeof(int) *col); -      for(inti =0; i < row; ++i) -          for(intj =0; J < Col; ++j) theARR2[I][J] = i * col +J; - print_arr_fun3 (arr2, Row, col);Wuyi  the     // Free -      for(inti =0; i < row; ++i) Wu          Free(Arr2[i]); -      Free(ARR2); About  $     return 0; -}

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b/C + + two-dimensional arrays