🎓Students


The lesson will be 1 hour before at 20:00⏰
Please be aware and ready

🙏So sorry guys.
I will be late about 30 minutes.

Be tuned ✅

We are starting

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Ovozim yaxshimi?

Ekran?

Topic: File Handling

Savollar?

ovoz?

Ovoz?

Savollar?

// problem 8
ofstream fnum("numbers.txt");
int k;
for (int i = 0; i < 100; i++) {
k = rand() % 100+1;
fnum << k << endl;
}
fnum.close();

ifstream fmax("numbers.txt");
int num, max = 0;
while (fmax>>num) {
if (max < num) {
max = num;
}
}
cout << max << endl;
fmax.close();

🎥Lesson 10
💻C++ Programming
📁 File Handling

#cpp

@cpp_sirius👨‍💻

Codes

This week lab: File handling & structure.
It is lab work (not graded)

#include <iostream>
#include <vector>
using namespace std;

int main() {
int n; cin >> n;
int sum=0;
int matrix[n][100];
for (int i = 0; i < n; i++) {
sum = 0;
for (int j = 0; j < n; j++) {
cin >> matrix[i][j];
sum += matrix[i][j];
}
}
int sum2 = 0;
bool magic = true;
// row-based checking
for (int i = 0; i < n-1; i++) {
sum2 = 0;
for (int j = 0; j < n; j++) {
sum2 += matrix[i][j];
}
if (sum2 != sum) {
magic = false;
cout << "Not Magic Square" << endl;
break;
}
}
// column based-cheking
if (magic) {
for (int i = 0; i < n; i++) {
sum2 = 0;
for (int j = 0; j < n; j++) {
sum2 += matrix[j][i];
}
if (sum2 != sum) {
magic = false;
cout << "Not Magic Square" << endl;
break;
}
}
}
// diagonal based checking
if (magic) {
sum2 = 0;
int sum3 = 0;
for (int i = 0; i < n; i++) {
sum2+=matrix[i][i];
sum3+=matrix[i][n-1-i];
}
if (sum2 != sum) {
magic = false;
cout << "Not Magic Square" << endl;
}else if (sum3 != sum) {
magic = false;
cout << "Not Magic Square" << endl;
}
}
if (magic) {
cout << "Magic Square" << endl;
}
return 0;
}