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  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 either leg needs to move
  23.         if (currentPosition[0] != nextPosition[0]) {
  24.             minMoves++;
  25.         }
  26.         if (currentPosition[1] != nextPosition[1]) {
  27.             minMoves++;
  28.         }
  29.  
  30.         currentPosition = nextPosition;
  31.     }
  32.  
  33.     cout << minMoves << endl;
  34.  
  35.     return 0;
  36. }
Success #stdin #stdout 0s 5284KB
comments (?)
stdin
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6

down

right

down

up

right

down
stdout
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10
https://ideone.com/vSj45P
language:
C++ (gcc 8.3)
created:
6 days ago
visibility:
public

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