Zadaci

// Matrice10.cpp : Defines the entry point for the console application.
//

#include "stdafx.h"
#include <stdio.h>

int main()
{
    int a[20][20], i, j, n, k, pom;
    printf("Unesi n");
    scanf_s("%d", &n);
    for (i = 0; i < n; i++) {
        for (j = 0; j < n; j++) {
            scanf_s("%d", &a[i][j]);
        }
    }
    printf("Pre sortiranja\n");
    for (i = 0; i < n; i++) {
        for (j = 0; j < n; j++) {
            printf("%d", a[i][j]);
        }
        printf("\n");
    }
/////SORTIRANJE NIZA PO REDOVIMA///////
    /*for (i = 0; i < n; i++)
    {
        for (j = 0; j < n; j++)
        {
            for (k = j+1; k < n; k++)
            {
                //if(i == j)
                if (a[i][j] > a[i][k])
                {
                    pom = a[i][j];
                    a[i][j] = a[i][k];
                    a[i][k] = pom;
                }
            }
        }
    }*/

    ////ZAMENA GLAVNE I SPOREDNE DIJAGONALE/////
    for (i = 0; i < n; i++) {
        j = i;
        pom = a[i][j];
        a[i][j] = a[i][(n - j) - 1];
        a[i][(n - j) - 1] = pom;
    }

    printf("Posle sortiranja\n");
    for (i = 0; i < n; i++) {
        for (j = 0; j < n; j++) {
            printf("%d", a[i][j]);
        }
        printf("\n");
    }
    system("pause");
}

/////////N/2//////////
printf("Unesi r i k");
    scanf_s("%d", &r);
    scanf_s("%d", &k);
    for (i = 0; i < n/2; i++)
    {
        pom = a[r - 1][i];
        a[r - 1][i] = a[i][k - 1];
        a[i][k - 1] = pom;
    }