Read two lines of number into two separate vectors.

Author: NgocChauNguyen-CPP

.vscode/settings.json

@@ -55,5 +55,59 @@
   "C_Cpp_Runner.useLeakSanitizer": false,
   "C_Cpp_Runner.showCompilationTime": false,
   "C_Cpp_Runner.useLinkTimeOptimization": false,
-  "C_Cpp_Runner.msvcSecureNoWarnings": false
+  "C_Cpp_Runner.msvcSecureNoWarnings": false,
+  "files.associations": {
+    "atomic": "cpp",
+    "bit": "cpp",
+    "cctype": "cpp",
+    "charconv": "cpp",
+    "clocale": "cpp",
+    "cmath": "cpp",
+    "compare": "cpp",
+    "concepts": "cpp",
+    "cstddef": "cpp",
+    "cstdint": "cpp",
+    "cstdio": "cpp",
+    "cstdlib": "cpp",
+    "cstring": "cpp",
+    "ctime": "cpp",
+    "cwchar": "cpp",
+    "exception": "cpp",
+    "format": "cpp",
+    "fstream": "cpp",
+    "initializer_list": "cpp",
+    "ios": "cpp",
+    "iosfwd": "cpp",
+    "iostream": "cpp",
+    "istream": "cpp",
+    "iterator": "cpp",
+    "limits": "cpp",
+    "locale": "cpp",
+    "memory": "cpp",
+    "new": "cpp",
+    "ostream": "cpp",
+    "sstream": "cpp",
+    "stdexcept": "cpp",
+    "streambuf": "cpp",
+    "string": "cpp",
+    "system_error": "cpp",
+    "tuple": "cpp",
+    "type_traits": "cpp",
+    "typeinfo": "cpp",
+    "utility": "cpp",
+    "vector": "cpp",
+    "xfacet": "cpp",
+    "xiosbase": "cpp",
+    "xlocale": "cpp",
+    "xlocbuf": "cpp",
+    "xlocinfo": "cpp",
+    "xlocmes": "cpp",
+    "xlocmon": "cpp",
+    "xlocnum": "cpp",
+    "xloctime": "cpp",
+    "xmemory": "cpp",
+    "xstring": "cpp",
+    "xtr1common": "cpp",
+    "xutility": "cpp"
+  }
 }

programming4.cpp

@@ -6,30 +6,72 @@
 #include <iostream> //do I need it?
 #include <fstream>
 #include <sstream> //string stream -- allows me to treat a string as if it is a stream
+#include <vector>
 
 
 int main()
 {
     //Read two lines of numbers in input.txt and store them into two vectors
     //std::ifstream -- standard input file stream. Read data from a file.
     std::ifstream inputFile("input.txt");
-    std::string word;
+    std::string line;
+    std::vector<double> vector1;
+    std::vector<double> vector2;
+
 
     if(inputFile.is_open())
     {
-        while(inputFile >> word)
+        //Read the first line into first vector.
+        //(Use while loop if want to read continuously)
+
+        if(std::getline(inputFile, line)) 
+        //getline function reads an entire line of text from a stream
+        //(in this case, that stream is inputFile)
         {
-            //while input file was still able to read word-by-word
-            std::cout << word << std::endl;
+            std::stringstream ss(line); //treat string like a stream. Able to extract tokens using >>.
+            double number;
+            while(ss >> number)
+            {
+                vector1.push_back(number);
+            }
+
         }
-        
+
+        //Read the second line  //A few thought: maybe create a separate function to read each line
+        if(std::getline(inputFile, line))
+        {
+            std::stringstream ss(line);
+            double number;
+            while(ss >> number)
+            {
+                vector2.push_back(number);
+            }
+        }
+
         inputFile.close(); //closes the file
     }
     else
     {
         std::cout << "File could not be opened!" << std::endl;
     }
 
+    //Print out vectors to check. 
+    std::cout << "My Vector1: " << std::endl;
+
+    for(const double& num: vector1)
+    {
+        std::cout << num << " ";
+    }
+    
+    std::cout <<std::endl;
+    
+    std::cout << "My Vector2: " << std::endl;
+
+    for(const double& num: vector2)
+    {
+        std::cout << num << " ";
+    }
+
     return 0;
 
 }