C++

Homework: Change multidimensional array to multidimensional vectors and ensure the bound checking.

How do I convert this into a multidimensional vector:

#include #include #include

using namespace std;

//Constant const int M = 2; //First Row const int N = 2; //First Column const int R = 2; //Second Column

//Functions void matrixTimesMatrix(int firstRow, int firstCol, int secondCol, int firstMatrix[][N], int secondMatrix[][R]);

void firstMatrix(int numRow, int numCol, int firstMatrix[][N]); void secondMatrix(int numRow, int numCol, int secondMatrix[][R]);

void matrixResult(int firstMatrix[][N], int secondMatrix[][R], int resultMatrix[][R]);

int main() { int first_Matrix[M][N]; int second_Matrix[N][R];

//Program Message cout cout cout

firstMatrix(M, N, first_Matrix); secondMatrix(N, R, second_Matrix); matrixTimesMatrix(M, N, R, first_Matrix, second_Matrix);

cout system("pause"); return 0; }

//Functions void matrixTimesMatrix(int firstRow, int firstCol, int secondCol, int firstMatrix[][N], int secondMatrix[][R]) { int sum; int resultMatrix[M][N];

for (int i = 0; i { for (int j = 0; j { sum = 0;

for (int k = 0; k { sum += firstMatrix[i][k] * secondMatrix[k][j]; }

resultMatrix[i][j] = sum; } }

//Results Output matrixResult(firstMatrix, secondMatrix, resultMatrix);

}//End of void matrixTimesMatrix

void firstMatrix(int numRow, int numCol, int firstMatrix[][N]) { cout cout

for (int i = 0; i { cout

for (int j = 0; j { cin >> firstMatrix[i][j]; } }

cout }//End of firstMatrix

void secondMatrix(int numRow, int numCol, int secondMatrix[][R]) {

cout cout

for (int i = 0; i { cout

for (int j = 0; j { cin >> secondMatrix[i][j]; } }

cout }//End of secondMatrix

void matrixResult(int firstMatrix[][N], int secondMatrix[][R], int resultMatrix[][R]) { for (int i = 0; i cout cout

for (int j = 0; j cout.width(10); cout }

cout }

cout for (int i = 0; i cout cout

for (int j = 0; j cout.width(10); cout }

cout }

cout for (int i = 0; i cout cout

for (int j = 0; j cout cout }

cout } }//End of matrixResult