مثال ناتریکس با سی پلاس پلاس

[Ghoghnus]

کد:

// C++ program to demonstrate insertion
// into a vector of vectors

#include <iostream>
#include <vector>
using namespace std;

// Defining the rows and columns of
// vector of vectors
#define ROW 4
#define COL 5

int main()
{
    // Initializing the vector of vectors
    vector<vector<int> > vec;

    // Elements to insert in column
    int num = 10;

    // Inserting elements into vector
    for (int i = 0; i < ROW; i++) {
        // Vector to store column elements
        vector<int> v1;

        for (int j = 0; j < COL; j++) {
            v1.push_back(num);
            num += 5;
        }

        // Pushing back above 1D vector
        // to create the 2D vector
        vec.push_back(v1);
    }

    // Displaying the 2D vector
    for (int i = 0; i < vec.size(); i++) {
        for (int j = 0; j < vec[i].size(); j++)
            cout << vec[i][j] << " ";
        cout << endl;
    }
    return 0;
}