practice-beefki/cpp/io/unknown_number_of_input.cpp

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2017-05-13 19:42:59 -07:00
#include<iostream>
//use cout and cin to print some stuff and get input
int main(){
/*
* All of these "<<" are going into std::cout
* the "endl" forces a flush
* note that is "l" as in "line" not "1" as in "one"
*/
std::cout << "Enter numbers, press <ctrl-d> to finish: "<< std::endl;
int input;
int sum;
input = 0;
sum = 0;
/*
* For some reason this is deliminated by spaces
* if only one number is given, it will wait for another input
*/
while (std::cin >> input){
sum += input;
}
/*
* formated for legability
* we are putting all those things into std::cout in the order they appear
*/
std::cout << "The sum is "
<< sum
<< std::endl;
}