Mr Nobody
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#include <iostream>
#include <stdlib.h>
#include <time.h>
const int ROW = 6;
const int COL = 10;
int mass[ROW][COL];
using namespace std;
int main()
{
int row_1, row_2;
int row, col, temp;
srand((unsigned)time(NULL));
for(row = 0; row < ROW; row++)
for(col = 0; col < COL; col++)
mass[row][col] = rand() % 10000; // 4 digits numbers
cout << "Enter number of first row less than " << ROW << " ";
cin >> row_1;
cout << "Enter number of second row less than " << ROW << " ";
cin >> row_2;
cout << "\n Matrix before change:\n\n";
for(row = 0; row < ROW; row++)
{
for(col = 0; col < COL; col++)
{
cout.width(4);
cout << " " << mass[row][col];
}
cout << "\n\n";
}
row_1 %= ROW;
row_2 %= ROW;
for(col = 0; col < COL; col++)
{
temp = mass[row_1][col];
mass[row_1][col] = mass[row_2][col];
mass[row_2][col] = temp;
}
cout << "\n Matrix after change:\n\n";
for(row = 0; row < ROW; row++)
{
for(col = 0; col < COL; col++)
{
cout.width(4);
cout << " " << mass[row][col];
}
cout << "\n\n";
}
return 0;
}
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