Submission #1042553

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Source Code Expand

#include <iostream>
#include <algorithm>
#define MAX_INT  100005
using namespace std;

//入力
int X, Y;

int main() {

  cin >> X >> Y;
  int a = 0, b = 0;

  // 絶対値を一致させる
  while( abs(X) != abs(Y) ) {
    if( abs( abs(X + 1) - abs(Y) ) < abs( abs(X) - abs(Y) ) ) {
      // +1 で絶対値の差が縮む間は +1
      a++;
      X++;
    } else {
      b++;
      X = -X;
    }
  }

  // 符号を一致させる
  if (X != Y) {
    b++;
  }

  cout << a + b << endl;
}

Submission Info

Judge Result