Two-dimensional array parameter transfer method

// Array. CPP // parameter transfer of two-dimensional arrays // 2013/6/28 # include <iostream> using namespace STD; // array name as the form parameter void fun1 (INT iarray [] [3]) {for (INT I = 0; I <3; I ++) {for (Int J = 0; j <3; j ++) cout <iarray [I] [J] <""; cout <Endl ;} // One-dimensional array pointer as the form parameter void fun2 (INT (* parray) [3]) {/* cout <parray <Endl; cout <& parray <Endl; cout <* parray <Endl; cout <** parray <Endl; cout <* (parray + 1) + 1) <Endl; cout <* parray + 1 <en DL; */For (INT I = 0; I <3; I ++) {for (Int J = 0; j <3; j ++) cout <parray [I] [J] <"; // cout <* (parray + I) + J) <""; cout <Endl ;}cout <Endl ;}// two-dimensional array reference as the form parameter void fun3 (INT (& parray) [3] [3]) {for (INT I = 0; I <3; I ++) {for (Int J = 0; j <3; j ++) cout <* (parray + I) + J) <""; cout <Endl ;} // two-dimensional array pointer as the form parameter void fun4 (INT (* parray) [3] [3]) {for (INT I = 0; I <3; I ++) {for (Int J = 0; j <3; j ++) cout <(* parray) [I] [J] <" "; Cout <Endl ;}cout <Endl ;}// use a double pointer as the form parameter void fun5 (INT ** parray, int M, int N) {for (INT I = 0; I <m; I ++) {for (Int J = 0; j <n; j ++) cout <* (parray + I) + J) <""; cout <Endl ;}cout <Endl ;}int main (INT argc, char * argv []) {int A [3] [3] = {, 1}, {, 2}, {, 3 }}; // The array name is used as the form parameter fun1 (a); // the one-dimensional array pointer is used as the form parameter fun2 (a); // the two-dimensional array reference is used as the form parameter fun3 (); // point to the two-dimensional array pointer as the form parameter fun4 (& A); int (* aa) [3] [3] = & A; For (INT I = 0; I <3; I ++) {for (Int J = 0; j <3; j ++) c Out <AA [I] [J] <"; cout <Endl ;}// use a double pointer as the form parameter // Wrong answer! /* Int M = 3; int n = 3; int ** P = new int [m] [N]; */int m = 3; int n = 3; int ** parray = new int * [m];/* parray [0] = new int [M * n]; // allocate continuous memory // parray [1] [0] is not addressable. You also need to specify the subscript addressing mode for (INT I = 1; I <m; I ++) {parray [I] = parray [I-1] + N ;}for (INT I = 0; I <m; I ++) for (Int J = 0; j <N; j ++) parray [I] [J] = I + 1; */For (INT I = 0; I <m; I ++) parray [I] = new int [N]; for (INT I = 0; I <m; I ++) for (Int J = 0; j <N; j ++) parray [I] [J] = I + 1; fun5 (parray, m, n); Return 0 ;}