fork download
copy 
  1. #include <iostream>
  2. #include <vector>
  3. #include <string>
  4.  
  5. using namespace std;
  6.  
  7. int main() {
  8.     int N;
  9.     cin >> N;
  10.  
  11.     vector<string> instructions(N);
  12.     for (int i = 0; i < N; i++) {
  13.         cin >> instructions[i];
  14.     }
  15.  
  16.     int minMoves = 0;
  17.     string currentPosition = "down right"; // Initial position
  18.  
  19.     for (int i = 0; i < N; i++) {
  20.         string nextPosition = instructions[i];
  21.  
  22.         // Check if a move is necessary for each leg
  23.         if (currentPosition.find(nextPosition) == string::npos) {
  24.             minMoves++;
  25.             currentPosition = nextPosition + (currentPosition[1] != nextPosition[0] ? currentPosition[1] : nextPosition[0]);
  26.         }
  27.     }
  28.  
  29.     cout << minMoves << endl;
  30.  
  31.     return 0;
  32. }
  33.  
Success #stdin #stdout 0.01s 5284KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
0
https://ideone.com/4ATDcu
language:
C++ (gcc 8.3)
created:
6 days ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!