Misol: if,for,switch-case qatnashgan ixtiyoriy dastur tuzing (10-ball)

Topshiriq

1. 
   misol: if,for,switch-case qatnashgan ixtiyoriy dastur tuzing (10-ball).
   

#include
using namespace std;
int main() {
int x;
cout << "Istalgan son kiriting: ";
cin >> x;
if (x > 0) {
cout << "Siz kiritgan son musbat.\n";
} else if (x < 0) {
cout << "Siz kiritgan son manfiy.\n";
} else {
cout << "Siz nol kiritdingiz.\n";
}
for (int i = 1; i <= x; i++) {
cout << i << " ";
}
cout << "\n";
switch (x) {
case 1:
cout << "Siz kiritgan son 1.\n";
break;
case 2:
cout << "Siz kiritgan son 2.\n";
break;
case 3:
cout << "Siz kiritgan son 3.\n";
break;
default:
cout << "Siz kiritgan son 1, 2 va 3 emas.\n";
break;
}
return 0;
}

2. 
   misol:Ikki o’lchamli massivlarga doir ixtiyoriy dastur tuzing (10-ball).
   

#include
using namespace std;
const int MAX_ROW = 100;
const int MAX_COL = 100;

int main() {
int matrix[MAX_ROW][MAX_COL];
int row, col;
cout << "Matritsaning satrlar sonini kiriting: ";
cin >> row;
cout << "Matritsaning ustunlar sonini kiriting: ";
cin >> col;
cout << "Matritsaning elementlarini kiriting:\n";
for (int i = 0; i < row; i++) {
for (int j = 0; j < col; j++) {
cin >> matrix[i][j];
}
}
int sum = 0;
for (int i = 0; i < row; i++) {
for (int j = 0; j < col; j++) {
sum += matrix[i][j];
}
}

cout << "Matritsa elementlari yig'indisi: " << sum << endl;
return 0;
}