update,

_prompts/helloworld copy.md

@@ -0,0 +1,7 @@
+write some cpp functions:
+
+This system collects student details like name, marks in each subject.
+The system can calculates the overall grade of each student.
+User can add, edit and delete the record to the system manually or upload a file.
+The system should have a counter to check how many records are update on each time.
+User can generate report and the report should be able to download.

_prompts/helloworld.md

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+write some cpp functions:
+
+1. collects student details like name, marks in each subject.
+
+using cpp, write a console program that accepts user input name, maths marks, chinese marks, english marks and grade,
+print them out when the user input done
+
+
+
+
+The system can calculates the overall grade of each student.
+User can
+  add,
+  edit and
+  delete the record to the
+  system manually or
+
+  upload a file.
+  add,
+  edit and
+  delete
+
+
+The system should have a counter to check how many records are update on each time.
+User can generate report and the report should be able to download.

_prompts/step1/step1.cpp

@@ -0,0 +1,41 @@
+#include <iostream>
+#include <string>
+
+struct Student {
+    std::string name;
+    int maths_marks, chinese_marks, english_marks;
+    char grade;
+};
+
+int main() {
+    while (true) {
+        Student student;
+        std::cout << "Enter name (or 'END' to quit): ";
+        std::cin >> student.name;
+
+        if (student.name == "END") {
+            break;
+        }
+
+        std::cout << "Enter maths marks: ";
+        std::cin >> student.maths_marks;
+
+        std::cout << "Enter chinese marks: ";
+        std::cin >> student.chinese_marks;
+
+        std::cout << "Enter english marks: ";
+        std::cin >> student.english_marks;
+
+        std::cout << "Enter grade: ";
+        std::cin >> student.grade;
+
+        std::cout << "\nStudent details:\n";
+        std::cout << "Name: " << student.name << "\n";
+        std::cout << "Maths marks: " << student.maths_marks << "\n";
+        std::cout << "Chinese marks: " << student.chinese_marks << "\n";
+        std::cout << "English marks: " << student.english_marks << "\n";
+        std::cout << "Grade: " << student.grade << "\n";
+    }
+
+    return 0;
+}

_prompts/step1/step1.md

@@ -0,0 +1,17 @@
+write a cpp function:
+
+This system collects student details like name, marks in each subject.
+
+using cpp, write a console program:
+that accepts user input
+  - name,
+  - maths marks,
+  - chinese marks,
+  - english marks and
+  - grade,
+
+loop until user enter "END" as name input
+print them out when the user input done
+
+
+

_prompts/step2/prompt.md

@@ -0,0 +1,40 @@
+write some cpp functions:
+
+```
+Add marks record
+Delete marks record
+Edit marks record
+Print current marks record in system
+
+press E to exit
+```
+
+if the user entered 1, the run `functionAdd` so on and forth
+
+```cpp
+#include <iostream>
+
+void print_menu() {
+    std::cout << "Mark Record System\n";
+    std::cout << "-----------------\n";
+    std::cout << "1. Add marks record\n";
+    std::cout << "2. Delete marks record\n";
+    std::cout << "3. Edit marks record\n";
+    std::cout << "4. Print current marks record in system\n";
+    std::cout << "E. Exit\n";
+    std::cout << "Enter your choice: ";
+}
+```
+
+write a cpp function that print the above menu
+
+The system can calculates the overall grade of each student.
+User can add, edit and delete the record to the system manually or upload a file.
+The system should have a counter to check how many records are update on each time.
+User can generate report and the report should be able to download.
+
+using cpp, write a console program that accepts user input name, maths marks, chinese marks, english marks and grade,
+print them out when the user input done
+
+
+

_prompts/step2/test.cpp

@@ -0,0 +1,106 @@
+#include <iostream>
+#include <vector>
+#include <string>
+
+struct MarksRecord {
+    std::string name;
+    int maths_marks, chinese_marks, english_marks;
+};
+
+std::vector<MarksRecord> records;
+
+void print_menu() {
+    std::cout << "Mark Record System\n";
+    std::cout << "-----------------\n";
+    std::cout << "1. Add marks record\n";
+    std::cout << "2. Delete marks record\n";
+    std::cout << "3. Edit marks record\n";
+    std::cout << "4. Print current marks record in system\n";
+    std::cout << "E. Exit\n";
+    std::cout << "Enter your choice: ";
+}
+
+void functionAdd() {
+    MarksRecord record;
+    std::cout << "Enter name: ";
+    std::cin >> record.name;
+    std::cout << "Enter maths marks: ";
+    std::cin >> record.maths_marks;
+    std::cout << "Enter chinese marks: ";
+    std::cin >> record.chinese_marks;
+    std::cout << "Enter english marks: ";
+    std::cin >> record.english_marks;
+    records.push_back(record);
+}
+
+void functionDelete() {
+    std::string name;
+    std::cout << "Enter name to delete: ";
+    std::cin >> name;
+    for (size_t i = 0; i < records.size(); i++) {
+        if (records[i].name == name) {
+            records.erase(records.begin() + i);
+            break;
+        }
+    }
+}
+
+void functionEdit() {
+    std::string name;
+    std::cout << "Enter name to edit: ";
+    std::cin >> name;
+    for (size_t i = 0; i < records.size(); i++) {
+        if (records[i].name == name) {
+            std::cout << "Enter new maths marks: ";
+            std::cin >> records[i].maths_marks;
+            std::cout << "Enter new chinese marks: ";
+            std::cin >> records[i].chinese_marks;
+            std::cout << "Enter new english marks: ";
+            std::cin >> records[i].english_marks;
+            break;
+        }
+    }
+}
+
+
+void functionPrint() {
+    for (const auto& record : records) {
+        std::cout << "Name  Maths     Chinese     English     Grade " << "\n";
+        std::cout << record.name << "   "
+          << record.maths_marks << "   "
+          << record.chinese_marks << "   "
+          << record.english_marks << "   "
+          << "\n";
+        std::cout << "\n";
+    }
+}
+
+int main() {
+    char choice;
+    while (true) {
+        print_menu();
+        std::cin >> choice;
+
+        switch (choice) {
+            case '1':
+                functionAdd();
+                break;
+            case '2':
+                functionDelete();
+                break;
+            case '3':
+                functionEdit();
+                break;
+            case '4':
+                functionPrint();
+                break;
+            case 'E':
+            case 'e':
+                return 0;
+            default:
+                std::cout << "Invalid choice. Please try again.\n";
+        }
+    }
+
+    return 0;
+}

_prompts/step3/prompt.md

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+write some cpp functions:
+
+- User can add, edit and delete the record to the system manually or upload a file.
+
+using cpp, write a console program that accepts:
+  user input a csv file path
+
+the program then parse the inputted csv file and insert the record
+
+```
+name,maths,chinese,english
+apple,99,98,99
+banana,99,98,99
+```
+
+

_prompts/step3/test.txt

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+burger 15
+fries 11
+ice-cream 9

_prompts/step3/write_file.cpp

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+#include <iostream>
+#include <fstream>
+#include <iomanip>
+#include <string>
+
+using namespace std;
+
+int main(){
+    //Declare variables
+    ifstream inFile;
+    ofstream outFile;
+    string burger_name, fries_name, icecream_name;
+    int burger_price, fries_price, icecream_price;
+    //Open the input file and output file
+    inFile.open("price.txt");
+
+    if (!inFile) {
+        cout << "Cannot open the input file."
+        << "The program terminates." << endl;
+        return 1;
+    }
+
+    outFile.open("price_output.out");
+    cout << "Processing data" << endl;
+
+    //Read file word by word
+    inFile >> burger_name >> burger_price;
+    inFile >> fries_name >> fries_price;
+    inFile >> icecream_name >> icecream_price;
+
+    //Output file
+    outFile << "The price of " << burger_name
+        << " is $" << burger_price <<"." << endl;
+
+    outFile << "The price of " << fries_name
+        << " is $" << fries_price << "." << endl;
+
+    outFile << "The price of " << icecream_name
+        << " is $" << icecream_price << "." << endl;
+    inFile.close(); // .close(): close a file
+    outFile.close();
+    cout << "Processing completed" << endl;
+
+    return 0;
+}

_prompts/step4.md

@@ -0,0 +1,13 @@
+write some cpp functions:
+
+This system collects student details like name, marks in each subject.
+The system can calculates the overall grade of each student.
+User can add, edit and delete the record to the system manually or upload a file.
+The system should have a counter to check how many records are update on each time.
+User can generate report and the report should be able to download.
+
+using cpp, write a console program that accepts user input name, maths marks, chinese marks, english marks and grade,
+print them out when the user input done
+
+
+

_prompts/step5.md

@@ -0,0 +1,13 @@
+write some cpp functions:
+
+This system collects student details like name, marks in each subject.
+The system can calculates the overall grade of each student.
+User can add, edit and delete the record to the system manually or upload a file.
+The system should have a counter to check how many records are update on each time.
+User can generate report and the report should be able to download.
+
+using cpp, write a console program that accepts user input name, maths marks, chinese marks, english marks and grade,
+print them out when the user input done
+
+
+