1204B - Mislove Has Lost an Array - CodeForces Solution

greedy math *900

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Python Code: 

n,l,r=map(int,input().split())
print(2**l+n-l-1,2**r-1+(n-r)*2**(r-1))

C++ Code: 

#include <bits/stdc++.h>
using namespace std;

int main(){
        int n,l,r;
        cin>>n>>l>>r;
        cout<<fixed<<int(pow(2,l)-1+n-l)<<" "<<int(pow(2,r)-1+pow(2,r-1)*(n-r))<<"\n";
}


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