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


int main()
{

const int n = 3, m = 3;
int mas[m][n], max, t;
srand(time(NULL));
setlocale(LC_ALL, "Rus");

for (int i = 0; i < m; i++) {
for (int j = 0; j < n; j++) {
mas[i][j] = 0 + rand() % 10;

}
}

for (int i = 0; i < m; i++) {
for (int j = 0; j < n; j++) {
printf(" %d", mas[i][j]);
}

printf(" = %d", mas[i][0] + mas[i][1] + mas[i][2]);
printf("\n");
}

printf("\n");

for (int i = 0; i < m; i++) {
for (int j = i + 1; j < n; j++) {
if (mas[i][0] + mas[i][1] + mas[i][2] > mas[j][0] + mas[j][1] + mas[j][2]) {
for (int k = 0; k < 3; k++) {

t = mas[i][k];
mas[i][k] = mas[j][k];
mas[j][k] = t;

}
}
}
}

for (int i = 0; i < m; i++) {
for (int j = 0; j < n; j++) {
printf(" %d", mas[i][j]);
}

printf(" = %d", mas[i][0] + mas[i][1] + mas[i][2]);
printf("\n");
}
printf("\n");

//-------------------------------------------------------------------//

const int m_ = 5, n_ = 5;
int mass[n_][m_], max_, x, y;

srand(time(NULL));

for (int i = 0; i < n_; i++) {
for (int j = 0; j < m_; j++) {

mass[i][j] = 0 + rand() % 10;

if (i == 0 && j == 0) { max_ = mass[i][j]; x = i; y = j; }

else

if (mass[i][j] > max_) { max_ = mass[i][j]; x = i; y = j; }

}
}

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

printf("\n");

}

printf("\n Максимальный элемент матрицы = %d \n Его координаты x = %d; y = %d\n\n", max_, x, y);

for (int i = 0; i < n_; i++) {
for (int j = 0; j < m_; j++) {
if (i == j) { mass[i][j] = max_; }

}

}

for (int i = 0; i < n_; i++) {
for (int j = 0; j < m_; j++) {
printf(" %d ", mass[i][j]);
}

printf("\n");
}

printf("\n");

//-------------------------------------------------------------------//

int arr[3][3];

for (int i = 0; i < 3; i++) {
for (int j = 0; j < 3; j++) {

arr[i][j] = i + j + 2;

}
}

for (int i = 0; i < 3; i++) {
for (int j = 0; j < 3; j++) {
printf(" %d", arr[i][j]);
}

printf("\n");

}
}