#include <iostream>
#include <math.h>
#include <iomanip>
using namespace std;
const unsigned int D = 5;
//const unsigned int DIM2 = 5;
int ary[D][D];
void task907()
{
cout << "Задание №907\n";
int i;
int j;
int s[D];
for (i = 1; i <= D; i++) {
for (j = 1; j <= D; j++) {
ary[i][j] = rand() % 10 ;
cout << setw(5) << ary[i][j];
}
cout << endl;
}
for(i=1; i < D; i++)
{
s[i]=0;
for(j = 1; j<D-i+1; j++){ s[i] = s[i] + ary[j+i][j]; }
cout << "Сумма диагонали под № " << i << " = " << s[i] << endl;
}
}
void task942()
{
cout << "\nЗадание №942\n";
int i;
int j;
cout << "Начальная матрица:" << endl;
for (i = 1; i <= D; i++) {
for (j = 1; j <= D; j++) {
ary[i][j] = rand() % 10 ;
cout << setw(5) << ary[i][j];
}
cout << endl;
}
cout << "\n"<< endl;
cout << "Конечная матрица:" << endl;
for(i = 1; i<= D; i++){ ary[i][D-i+1] = 100; }
for (i = 1; i <= D; i++) {
for (j = 1; j <= D; j++) {
cout << setw(5) << ary[i][j];
}
cout << endl;
}
}
void task977()
{
cout << "\nЗадание №977\n";
int i;
int j;
int n;
int k;
n = 1;
for (k=1; k < D; k++)
{
for (i = k; i < D-k+2; i++) { ary[k][i] = n; n++;}
for (j = k+1; j < D-k+2; j++) { ary[j][D-k+1] = n; n++;}
for (i = D-k; i > k-1; i--) { ary[D-k+1][i] = n; n++;}
for (j = D-k; j > k; j--) { ary[j][k] = n; n++;}
}
for (i = 1; i <= D; i++) {
for (j = 1; j <= D; j++) {
cout << setw(5) << ary[i][j];
}
cout << endl;
}
}
void task1012()
{
cout << "\nЗадание №1012\n";
int i;
int j;
int k;
int n;
int s;
for (i = 1; i <= D; i++) {
for (j = 1; j <= D; j++) {
ary[i][j] = rand() % 10 ;
}
}
k=7;//столбец
n=5;//строка
for (i = 1; i <= D; i++) {ary[i][n] = i;}
for (j = 1; j <= D; j++) {ary[k][j] = j;}
ary[k][n] = 0;
if(k < n) {ary[n][k+(n-k)] = 0; ary[n-(n-k)][k] = 0;}
if(k > n) {ary[n+(k-n)][k] = 0; ary[n][k-(k-n)] = 0;}
cout << endl;
for (i = 1; i <= D; i++) {
for (j = 1; j <= D; j++)
{
cout << setw(5) << ary[i][j];
}
cout << endl;
}
s = 0;
for (i = 1; i <= D; i++)
{
for (j = 1; j <= D; j++)
{
n=0;
for (k = 1; k <= D; k++)
{
if(ary[i][k] == ary[k][j]) n++;
}
if(D == n) {cout <<"Cтрока " << i << " совпадает со столбцом " << j << endl; s++;}
}
}
if(s == 0) {cout << "Совпадений не обнаружено " << endl;}
}
void task1047()
{
cout << "\nЗадание №1047\n";
cout << "\nИсходная матрица\n";
int i;
int j;
int b[D];
cout << endl;
for (i = 1; i <= D; i++) {
for (j = 1; j <= D; j++) {
ary[i][j] = rand() % 10 ;
cout << setw(5) << ary[i][j];
}
cout << endl;
}
cout << endl;
cout << "\nЗадание а)"<< endl;
for (i = 1; i <= D; i++){
b[i] = ary[i][1];
ary[i][1] = ary[i][5];
ary[i][5] = b[i];
}
for (i = 1; i <= D; i++) {
for (j = 1; j <= D; j++) {
cout << setw(5) << ary[i][j];
}
cout << endl;
}
cout << "\nЗадание б)"<< endl;
for (j = 1; j <= D; j++){
b[j] = ary[2][j];
ary[2][j] = ary[5][j];
ary[5][j] = b[j];
}
for (i = 1; i <= D; i++) {
for (j = 1; j <= D; j++) {
cout << setw(5) << ary[i][j];
}
cout << endl;
}
}
int main()
{
task907();
task942();
task977();
task1012();
task1047();
}
