lab7
#include <iostream>
#include <ctime>
#include <iomanip>
#include <string>
#include <cmath>
using namespace std;
void task905()
{
srand(time(0));
int N;
cout << "Enter N: ";
cin >> N;
int* x = new int[N];
int* y = new int[N];
double MaxDistance = 0, distance, point1, point2;
for (int i = 0; i < N; i++) {
for (int j = 0; j < N; j++)
{
// Заполнение массивa
x[i] = rand() % 100;
x[j] = x[i];
}
}
for (int i = 0; i < N; i++) {
for (int j = 0; j < N; j++)
{
// Заполнение массивa
y[i] = rand() % 100;
y[j] = y[i];
}
}
for (int i = 0; i < N; i++)
for (int j = i; j < N; j++)
{
distance = sqrt(pow((double)(x[i] - x[j]), 2) + pow((double)(y[i] - y[j]), 2));
if (distance > MaxDistance)
{
MaxDistance = distance;
point1 = i;
point2 = j;
}
}
cout << "Farthest points " << point1 + 1 << " and " << point2 + 1 << endl;
}
void task940()
{
cout << "Task(a)" << endl;
int const k = 10;
int matrixA[k][k];
int a, b;
for (int i = 0; i < k; i++)
{
for (int j = 0; j < k; j++) {
matrixA[i][j] = rand() % 100;
cout << setw(3) << matrixA[i][j];
}
cout << endl;
}
a = rand() % k;
b = rand() % k;
cout << "Coordinates first point:[" << a << "," << a << "]" << endl;
cout << "Coordinates second point:[" << b << "," << b << "]" << endl;
cout << "Amount:"<<matrixA[a][a] + matrixA[b][b] << endl;
cout << "Task(b)" << endl;
int matrixB[k][k];
int a1, a2, b1, b2;
for (int i = 0; i < k; i++)
{
for (int j = 0; j < k; j++) {
matrixB[i][j] = rand() % 100;
cout << setw(3) << matrixB[i][j];
}
cout << endl;
}
a1 = rand() % k;
b1 = k - a1;
a2 = rand() % k;
b2 = k - a2;
cout << "Coordinates first point:[" << a1 << "," << b1 << "]" << endl;
cout << "Coordinates second point:[" << a2 << "," << b2 << "]" << endl;
cout <<"composition:"<< matrixB[a1][b1] * matrixB[a2][b2] << endl;
}
void task975()
{
int n, count = 0;
cout << "Enter n: ";
cin >> n;
if (n > 0)
{
double* arr1 = new double[n];
for (int i = 0; i < n; i++)
{
arr1[i] = rand() % 10;
cout << setw(3) << arr1[i];
}
double** arr2 = new double* [n];
for (int i = 0; i < n; i++)
for (int j = 0; j < n; j++)
arr2[i] = new double[j];
cout << endl;
cout << "Matrix:" << endl;
for (int i = 0; i < n; i++)
{
count = i;
for (int j = 0; j < n; j++)
{
if (count >= n)
count = 0;
arr2[i][j] = arr1[count] * 1.0;
count++;
}
}
for (int i = 0; i < n; i++)
{
for (int j = 0; j < n; j++)
cout << setw(3) << arr2[i][j];
cout << endl;
}
}
else cout << "n does not meet the condition" << endl;
}
void task1010()
{
const int sizeY = 10;
const int sizeX = 10;
char chars[sizeY][sizeX];// z y x
const int sizeSimb = 4;
char simb[sizeSimb] = { '#','=','+','?' };
bool freeSpace = true;
int tStartX, tEndX, tStartY, tEndY;
int sizeShift = 1;// отступ между квадратами
for (int y = 0; y < sizeY; y++)
{
for (int x = 0; x < sizeX; x++)
{
cout << (chars[y][x] = '.') << " ";
}
cout << endl;
}
cout << endl << endl;
int sharpcount = 0, ravnocount = 0, pluscount = 0, voproscount = 0;
for (int i = 0; i < 1000; i++)
{
int simbol = rand() % sizeSimb;// выбор символа
tStartX = rand() % sizeX;
tStartY = rand() % sizeY;
do {
tEndX = rand() % sizeX;
tEndY = rand() % sizeY;
} while (tStartX > tEndX || tStartY > tEndY);
// отступы вокруг (логика если возле края массива)
// X
int shiftLeftX = (tStartX == 0) ? 0 : sizeShift;
int shiftRightX = (tEndX == (sizeX - 1)) ? 0 : sizeShift;// ?
// Y
int shiftTopY = (tStartY == 0) ? 0 : sizeShift;
int shiftBottomY = (tEndY == (sizeY - 1)) ? 0 : sizeShift;
for (int y = (tStartY - shiftTopY); y <= (tEndY + shiftBottomY); y++)
{
for (int x = (tStartX - shiftLeftX); x <= (tEndX + shiftRightX); x++)
{
if (chars[y][x] != '.')freeSpace = false;
}
}
if (freeSpace)// запись если место свободно
{
for (int y = tStartY; y <= tEndY; y++)
{
for (int x = tStartX; x <= tEndX; x++)
{
chars[y][x] = simb[simbol];
}
}
if (simbol == 0)sharpcount++;
if (simbol == 1)ravnocount++;
if (simbol == 2)pluscount++;
if (simbol == 3)voproscount++;
}
freeSpace = true;
//cout << "STartX: " << tStartX << " " << "ENd: " << tEndX << " " << simb[simbol] << endl;
//cout << "STartY: " << tStartY << " " << "ENd: " << tEndY << " " << simb[simbol] << endl;
//cout << shiftLeftX << " " << shiftRightX << " " << shiftTopY << " " << shiftBottomY;
//cout << endl;
}
cout << endl;
for (int y = 0; y < sizeY; y++)
{
for (int x = 0; x < sizeX; x++)
{
cout << chars[y][x] << " ";
}
cout << endl;
}
cout << "# rectangle: " << sharpcount << endl;
cout << "? rectangle: " << voproscount << endl;
cout << "+ rectangle: " << pluscount << endl;
cout << "= rectangle: " << ravnocount << endl;
}
void task1045()
{
int const k = 10;
int arr[k][k];
int n, count = 0, sum = 0;
cout << "Our array: " << endl;
for (int i = 0; i < k; i++)
{
for (int j = 0; j < k; j++) {
arr[i][j] = rand() % 100;
cout << setw(3) << arr[i][j];
if (j == 9)cout << endl;
}
}
cout << "Enter n :";
cin >> n;
cout << "Task(a)" << endl;
int arr1[k];
for (int j = 0; j < k; j++)
{
count = 0;
arr1[j] = 0;
for (int i = 0; i < k; i++) {
if (n < arr[i][j]) {
count++;
arr1[j] = count;
}
}
cout << arr1[j] << setw(3);
}
cout << endl << endl;
cout << "Task(b)" << endl;
int arr2[k];
for (int i = 0; i < k; i++)
{
sum = 0;
arr2[i] = 0;
for (int j = 0; j < k; j++) {
if (n > arr[i][j]) {
sum += arr[i][j];
}
}
arr2[i] = sum;
cout << arr2[i] << setw(5);
}
cout << endl << endl;
}
int main()
{
int a;
while (true)
{
cout << "Numbers of tasks are 905 940 975 1010 1045\n";
cin >> a;
cout << endl;
switch (a)
{
case 905:
task905();
break;
case 940:
task940();
break;
case 975:
task975();
break;
case 1010:
task1010();
break;
case 1045:
task1045();
break;
case 0:
return(0);
break;
default:
cout << "Incorrect number, try again" << endl;
break;
}
}
}
/*
905 940 975 1010 1045
*/INFO