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To read data from a spreadsheet using C++, you can use the following steps:

1. Include the necessary header files: #include <fstream> for file input/output, #include <cstring> for string manipulation, and #include <vector> for working with vectors.

2. Define a function readSpreadsheetData that takes the _ of the spreadsheet as input.

1vector<vector<string>> readSpreadsheetData(string _________) {
2    // Code to read spreadsheet data
3}

3. Inside the readSpreadsheetData function, declare a vector<vector<string>> variable named data to store the spreadsheet data.

1vector<vector<string>> data;

4. Open the spreadsheet file using an ifstream object.

1ifstream file(_________);

5. Read the spreadsheet data line by line using getline.

1string line;
2while (getline(file, line)) {
3    // Code to read line
4}

6. Inside the while loop, create a stringstream object from the line read.

1stringstream ss(line);

7. Declare a vector<string> variable named row to store the cells of the current row.

1vector<string> row;

8. Use another getline loop to read each cell from the stringstream object.

1string cell;
2while (getline(ss, cell, ',')) {
3    // Code to read cell
4}

9. Push the row vector into the data vector.

1data.push_back(row);

10. Close the spreadsheet file.

1file.close();

11. Finally, return the data vector from the readSpreadsheetData function.

1return data;

Fill in the blanks in the code to read data from a spreadsheet using C++.