Nested Loops Lab3C.cpp

Loops often have loops inside them. These are called nested loops. In this exercise you will finish a nested loop that reads lines of numbers from a file and computes and prints out the sum of each line.

//C++ Lab3C.cpp

//1. [include required header files]//

using namespace std;

int main()

{

//[2. Declare required variables]

try

{

//3> put your file name & Open file as an input mode

ifstream Openfile(" );

//4> If file doesn't exist then throw error number

if(Openfile.good())

{

while( getline(Openfile, sLine)) //Outer While Loop Condition

{

cout << "The Contents of line sLine" << sLine << " ";

stringstream Str(sLine);

while (Str >> temp ) //Inner While Loop Condition

{

cout << "String ~to double" << temp;

}// Inner while Loop

} //Outer While Loop

Openfile.close();

//3> Catch the error number and display message

}

else {

throw 10;

}

} //if

catch(int e)

{

cout << "File Not found " << e << endl;

}

//system("pause"); //Pause

return 0;

}//main

Once you have completed the program, run it on the input file below:

Lab4C.in

10 20 30 40 50

60 70 80 90.0

11 13.0

20 40 70 19.0

Output should be as follows:

Read Line 0 10.0 Sum 10.0

Read Line 0 20.0 Sum 30.0

Read Line 0 30.0 Sum 60.0

Read Line 0 40.0 Sum 100.0

Read Line 0 50.0 Sum 150.0

..

Read Line 3 20.0 Sum 20.0

Read Line 3 40.0 Sum 60.0

Read Line 3 70.0 Sum 130.0

Read Line 3 19.0 Sum 149.0