Submission #2225556

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Source Code Expand

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

//--------------------------------------------
#define FOR(i,a,b) for(int i=(a);i<(b);i++)
#define RFOR(i,a,b) for(int i=(b)-1;i>=(a);i--)
#define REP(i,n) FOR(i,0,n)
#define RREP(i,n) RFOR(i,0,n)
#define LL long long
#define INF INT_MAX/3

//--------------------------------------------
const double EPS = 1e-14;
const double PI  = acos(-1.0);

//--------------------------------------------

int main(){
  int n;
  int k;

  cin >> n >> k;

  int i = 1;
  int num = 1;

  while (i <= n) {
    if (num < k)
      num *= 2;
    else
      num += k;
    i++;
  }
  printf("%d\n", num);
}

Submission Info

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