selfdrivingcar/2dvectors.cpp at main · miguel91it/selfdrivingcar · GitHub

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#include <iostream>
#include <vector>

using namespace std;

void printMatrix(vector< vector<int> > m);

vector< vector<int> > sumMatrices(vector< vector<int> > m1, vector< vector<int> > m2);

int main(){

    vector< vector<int> > m1 (2, vector<int> (3));
    vector< vector<int> > m2 (2, vector<int> (3));

    m1[0][0] = 0;
    m1[0][1] = 1;
    m1[0][2] = 2;
    m1[1][0] = 3;
    m1[1][1] = 4;
    m1[1][2] = 5;

    m2[0][0] = 10;
    m2[0][1] = 11;
    m2[0][2] = 12;
    m2[1][0] = 13;
    m2[1][1] = 14;
    m2[1][2] = 15;

    printMatrix(m1);

    cout << endl;

    printMatrix(m2);

    cout << endl;

    printMatrix(sumMatrices(m1, m2));


    return 0;
}


vector< vector<int> > sumMatrices(vector< vector<int> > m1, vector< vector<int> > m2){

    int rows = m1.size();
    int columns = m1[0].size();

    vector< vector<int> > res (rows, vector<int> (columns));

    for (int i=0; i<rows; ++i){
        for( int j=0; j<columns; ++j){
            res[i][j] = m1[i][j] + m2[i][j];
        }
    }

    return res;
}


void printMatrix(vector< vector<int> > m){

    if (m.size() == 0) {
        cout << "empty matrice" << endl;

        return;
    }

    int rows = m.size();
    int columns = m[0].size();


    for (int i = 0; i < rows; ++i){
        for (int j = 0; j < columns; ++j){

            cout << m[i][j] << " ";
        }
        cout << endl;
    }

}