Loading [MathJax]/extensions/tex2jax.js

Problem #317

Death Sum

Calculate :-

for n = 1000005 and r = 1000005.

Report the answer modulo 1234567891.

Contributed by Rudransh Aggarwal

Solved by 40 users

Log in to submit answers.

Is something wrong?

Maintaining a collection of high quality questions is our top priority. If, however, you do find an error, report the problem and we'll make sure it is reviewed soon.