Fredo and Maths

3.9

15 votes
Approved, Euler's totient function, Math, Medium, Prime Factorization, Sieve
Problem

Given three numbers x,k and m, you need to find the value of xxx...x%m where number of x's in the expression are k. That is, if x=5,k=3 and m=3, then you need to compute 555%3.

Constraints:
1T105
1m107
1k1018
m<x108 x is always a prime number

Format of the input file:
First line : T i.e number of testcases.
For each testcase :
First line : Three space separated integers x , k and m.

Format of the output file:
Print the answer for each test case in a separate line

Time Limit: 1
Memory Limit: 256
Source Limit:
Explanation

Case 1: 5 % 3=2
Case 2: 55 % 3=3125 % 3= 2

Editor Image

?