#include <iostream>
#include "matrix.h"
using namespace std;

void loadMatrix(mat m, int &r, int &c) {
    cout << "Put the number of columns: ";
    cin >> c; // columns
    cout << "Put the number of rows: ";
    cin >> r; // rows

    for (int i = 0; i < r; i++)  // skip to the next row
        for (int j = 0; j < c; j++) { // load the elements of the entire line
            cout << "Put item (" << i << ", " << j << "): ";
            cin >> m[i][j];
        }
}

void printMatrix(mat m, int r, int c) {
    for (int i = 0; i < r; i++) {
        for (int j = 0; j < c; j++)
            cout << "\t| (" << i << ", " << j << "): " << m[i][j];

        cout << endl;
    }
}

void sumRows(mat m, int r, int c, vet &vs) {
    for (int i = 0; i < r; i++) {
        vs[i] = 0;
        for (int j = 0; j < c; j++)
            vs[i] += m[i][j];
    }
}

// sums the elements between the two diagonals
int sumIncluded(mat m, int r, int c) {
    int s = 0;
    for (int i = 0; i < (r / 2); i++)
        for (int j = i; j < c - i; j++)
            s += m[i][j] + m[(r-1)-i][j];

    if ((r % 2) == 0)
        return s;
    else
        return s + m[(r-1)/2][(r-1)/2];
}