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Description html markup shown to student | <p>Write a program that lets the user type in a positive integer, <tt>n</tt>, and then sums all positive integers between 1 and n that are a multiple of either 2 or 5.</p> <p>For example, if the user enters <tt>11</tt> we would want to sum the following values: <code>2 4 5 6 8 10</code> and output <tt>35</tt>. |
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Remarks Comments, history, license, etc. | Copied from problem cpp/for/blastoff (author: redekopp@usc.edu) Copied from problem cpp/while/blastoff (author: redekopp@usc.edu) Copied from problem cpp/while/goldilocks (author: redekopp@usc.edu) Copied from problem cpp/while/sum50 (author: redekopp@usc.edu) Copied from problem cpp/conditionals/rps (author: redekopp@usc.edu) Copied from problem cpp/conditionals/taxbrackets (author: redekopp@usc.edu) Copied from problem cpp/conditionals/nestedec (author: redekopp@usc.edu) Copied from problem cpp/conditionals/extracredit (author: redekopp@usc.edu) Copied from problem cpp/control/flag (author: daveagp@gmail.com) |
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Template / Reference solution |
using namespace std; int main() { int n; cout << "Enter a positive integer: " << endl; cin >> n; \[ int sum = 0; for( int i=2; i <= n; i++) { if(i%2==0 || i%5==0) { sum += i; } } cout << sum << endl; ]\ return 0; } |
C++ test suite json list of stdin/args tests e.g. [{"stdin":"hi", "args":["4", "5"]}, {"stdin":"noargs"}] to just run once with no input use [{}] | [ {"stdin": "11", "args": ""}, {"stdin": "17", "args": ""}, {"stdin": "1000", "args": ""}, {"stdin": "1", "args": ""} ] |
Solution visibility |
Note: problems are open-source by default (see 'Public permissions'). Assumed license for open problems is Creative Commons 4.0 Attribution-ShareAlike unless specified in 'Remarks'.