PairingPawns

方針

• やるだけ

回答

#include <sstream>
#include <string>
#include <vector>
#include <map>
#include <algorithm>
#include <iostream>
#include <utility>
#include <set>
#include <cctype>
#include <queue>
#include <stack>
#include <cstdio>
#include <cstdlib>
#include <cmath>
#include <iterator>


using namespace std;


class PairingPawns{
public:
  int savedPawnCount(vector <int> v){
    for(int i = v.size()-1; i > 0; --i){
      v[i-1] += v[i]/2;
    }
    return v[0];
  }  
};