Commonly asked Data Structures and Algorithms Problems by big tech and different solution approaches with code in Java and C

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Saturday, March 25, 2017

Counter game Hackerrank


#include <stdio.h>
#include <string.h>
#include <math.h>
#include <stdlib.h>

int main()
{
    int t;
    scanf("%d",&t);
    while(t--)
    {
        unsigned long long n;
        scanf("%llu",&n);

        unsigned long long k ;
        int winner = 1; //1 - richard 0 - louise

        while(n!=1)
        {
            if( n && !(n&(n-1)))
                n/=2;
            else
            {
                 k = pow(2,floor(log2(n)));
                 n-=k;
            }
            if(winner)
                winner = 0;
            else
                winner = 1;
        }
        if(winner)
            printf("Richard\n");
        else
            printf("Louise\n");
    }
    return 0;
}

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