lab7_978

#include <iostream>
using namespace std;

int main() {
    const int n = 8 ; 
    int a[n][n] ;
    
    for (size_t i = 0 ; i < n/2 ; i++){
        for (size_t j = 0 ; j < n/2 ; j++){
            a[i][j] = 1; 
        }
    }
    for (size_t i = 0 ; i < n/2 ; i++){
        for (size_t j = n/2 ; j < n ; j++){
            a[i][j] = 2; 
        }
    }
    for (size_t i = n/2 ; i < n ; i++){
        for (size_t j = 0 ; j < n/2 ; j++){
            a[i][j] = 3; 
        }
    }
    for (size_t i = n/2 ; i < n ; i++){
        for (size_t j = n/2 ; j < n ; j++){
            a[i][j] = 4; 
        }
    }
    for (size_t i = 0 ; i < n ; i++){
        for (size_t j = 0; j < n ; j++){
            cout << a[i][j] << "  " ; 
        }
        cout << endl ; 
    }
    cout << "======================" << endl ; 
    int x ; 
    for (size_t i = 0 ; i < n/2 ; i++){
        for (size_t j = 0 ; j < n/2 ; j++){
            for (size_t i1 = n/2 ; i1 < n ; i1++){
                for (size_t j1 = n/2 ; j1 < n ; j1++){
                    x=a[i][j];
                    a[i][j] = a[i1][j1];
                    a[i1][j1] = x;
                }
            }
        }
    }
    
    for (size_t i = 0 ; i < n/2 ; i++){
        for (size_t j = n/2 ; j < n ; j++){
            for (size_t i1 = n/2 ; i1 < n ; i1++){
                for (size_t j1 = 0 ; j1 < n/2 ; j1++){
                    x=a[i][j];
                    a[i][j] = a[i1][j1];
                    a[i1][j1] = x; 
                }
            } 
        }
    }
    
    
    
    
    
    for (size_t i = 0 ; i < n ; i++){
        for (size_t j = 0; j < n ; j++){
            cout << a[i][j] << "  " ; 
        }
        cout << endl ; 
    }
    
    return 0;
}