#include <stdio.h>
#include <stdlib.h>

void swap(int** mass,int size){
    int temp;
    int center;
    center = size / 2;

    for (int i = 0; i < (size - center); i++) {
        for (int j = 0; j < (size - center); j++) {
            temp = mass[j][i];
            mass[j][i] = mass[j + center][i + center];
            mass[j + center][i + center] = temp;
        }
    }

    for (int i = size; i <= (center + 1) ; --i) {
        for (int j = 0; j >= (center - 1); j++) {
            temp = mass[j][i];
            mass[j][i] = mass[j + center][i - center];
            mass[j + center][i - center] = temp;
        }
    }


    printf("Полученная матрица: \n");
    for (int i = 0; i < size; ++i) {
        for (int j = 0; j < size; ++j) {
            printf("%d \t",mass[i][j]);
        }
        printf("\n");
    }
}

int main() {
    int size;
    FILE* in = fopen("111.txt", "r+");
    fscanf(in,"%d", &size);
    int** mass = (int**)malloc(size*sizeof(int*));
    for (int i = 0; i < size; i++){
        mass[i] = (int*)malloc(size* sizeof(int));
        for (int j = 0; j < size; j++) {
            fscanf(in, "%d", &mass[i][j]);
        }
    }
    fclose(in);
    for (int i = 0; i < size; i++){
        for (int j = 0; j < size; j++) {
            printf( "%d \t", mass[i][j]);
        }
        printf("\n");
    }
    swap(mass,size);
}