//Вариант 1
#include "stdafx.h"
#include <stdio.h>
#include <conio.h>
#define N 50
void trans(int *mtr, int n);
int _tmain(int argc, _TCHAR* argv[])
{
	int matr[N][N], i, j, n;
	printf("Vavedete br redove i koloni");
	scanf_s("%d", &n);

	for (i = 0; i < n; i++){
		for (j = 0; j < n; j++){
			printf("Element matr[%d][%d] = ", i, j);
			scanf_s("%d", &matr[i][j]);
		}
	}
	trans(&matr[0][0], N);
	for (i = 0; i < n; i++)
	for (j = 0; j < n; j++)
		printf("Element trans_matr[%d][%d] = %d \n ", i, j, matr[i][j]);

	_getche();
	return 0;
}

void trans(int *mtr, int n){
	int i, j, temp;
	for (i = 0; i < n; i++) {
		for (j = i; j < n; j++) {
			temp = mtr[i*N +j];
			mtr[i*N + j] = mtr[j*N +i];
			mtr[j*N + i] = temp;
		}
	}
}

					//Вариант 2
#include "stdafx.h"
#include <stdio.h>
#include <conio.h>
#define N 50
void trans(int mtr[][N], int n);
int _tmain(int argc, _TCHAR* argv[])
{
	int matr[N][N], i, j, n;
	printf("Vavedete br redove i koloni");
	scanf_s("%d", &n);

	for (i = 0; i < n; i++){
		for (j = 0; j < n; j++){
			printf("Element matr[%d][%d] = ", i, j);
			scanf_s("%d", &matr[i][j]);
		}
	}
	trans(matr, n);

	for (i = 0; i < n; i++)
	for (j = 0; j < n; j++)
		printf("Element trans_matr[%d][%d] = %d \n ", i, j, matr[i][j]);

	//system("pause");
	_getche();
	return 0;
}

void trans(int mtr[][N], int n){
	int i, j, temp;
	for (i = 0; i < n; i++) {
		for (j = i; j < n; j++) {

			temp = mtr[i][j];
			mtr[i][j] = mtr[j][i];
			mtr[j][i] = temp;
 		}
	}
}