Home / utk / cs102 / fa16 / labi / code_snippets / section1 / sum.cpp
Directory Listing
array_reference.cpp
getline.cpp
isstream.cpp
namelist.txt
numbers.txt
osstream.cpp
recordgen.c
result2.txt
result4.txt
student_info.cpp
sum.cpp 
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#include <iostream>
#include <sstream>
#include <fstream>
#include <string>

using namespace std;

int main() {
	string line;
	ifstream fp;
	fp.open("numbers.txt");
	getline(fp, line);
	fp.close();

	istringstream sin;
	sin.str(line);
	double total = 0,
		   value;

	int    num_of_entries = 0;

	while (sin >> value) {
		total += value;
		num_of_entries++;
	}
	total /= num_of_entries;

	cout << total << endl;
}