id/email
password
forgot password | create account
about | help | code help+videos | done | prefs
CodingBat code practice

 

sum


Define a recursive function that when passed an integer (say, n), returns the sum of the first n positive integers (1+2+...+n).


sum(10) → 55
sum(100) → 5050
sum(1729) → 1495585

...Save, Compile, Run (ctrl-enter)

int sum(int n) { }

Editor font size %:
Shorter output


Forget It! -- delete my code for this problem

Progress graphs:
 Your progress graph for this problem
 Random user progress graph for this problem
 Random Epic Progress Graph

Java Help

Misc Code Practice

Difficulty: 1 Post-solution available

Copyright Nick Parlante 2017 - privacy