Day 5

CMakeLists.txt

@@ -13,3 +13,4 @@ add_executable(d1 "d1/main.cxx")
 add_executable(d2 "d2/main.cxx") 
 add_executable(d3 "d3/main.cxx") 
 add_executable(d4 "d4/main.cxx") 
+add_executable(d5 "d5/main.cxx") 

d5/input.txt

@@ -0,0 +1,514 @@
+    [S] [C]         [Z]            
+[F] [J] [P]         [T]     [N]    
+[G] [H] [G] [Q]     [G]     [D]    
+[V] [V] [D] [G] [F] [D]     [V]    
+[R] [B] [F] [N] [N] [Q] [L] [S]    
+[J] [M] [M] [P] [H] [V] [B] [B] [D]
+[L] [P] [H] [D] [L] [F] [D] [J] [L]
+[D] [T] [V] [M] [J] [N] [F] [M] [G]
+ 1   2   3   4   5   6   7   8   9 
+
+move 3 from 4 to 6
+move 1 from 5 to 8
+move 3 from 7 to 3
+move 4 from 5 to 7
+move 1 from 7 to 8
+move 3 from 9 to 4
+move 2 from 8 to 2
+move 4 from 4 to 5
+move 2 from 5 to 1
+move 2 from 5 to 6
+move 7 from 8 to 1
+move 9 from 3 to 9
+move 11 from 6 to 5
+move 2 from 6 to 7
+move 12 from 1 to 4
+move 10 from 2 to 9
+move 2 from 3 to 9
+move 1 from 7 to 5
+move 4 from 7 to 6
+move 2 from 6 to 1
+move 5 from 1 to 6
+move 10 from 9 to 1
+move 9 from 9 to 8
+move 13 from 4 to 3
+move 7 from 6 to 2
+move 2 from 8 to 5
+move 9 from 3 to 9
+move 8 from 9 to 8
+move 4 from 8 to 4
+move 1 from 7 to 5
+move 3 from 9 to 1
+move 7 from 2 to 1
+move 1 from 3 to 1
+move 1 from 3 to 6
+move 1 from 6 to 1
+move 2 from 3 to 6
+move 5 from 4 to 1
+move 1 from 6 to 1
+move 3 from 8 to 7
+move 8 from 8 to 4
+move 3 from 5 to 4
+move 1 from 6 to 7
+move 1 from 5 to 8
+move 4 from 5 to 2
+move 7 from 5 to 8
+move 3 from 2 to 7
+move 7 from 4 to 8
+move 11 from 8 to 4
+move 15 from 4 to 1
+move 25 from 1 to 6
+move 4 from 8 to 7
+move 1 from 2 to 4
+move 11 from 6 to 4
+move 12 from 6 to 3
+move 1 from 1 to 9
+move 1 from 9 to 8
+move 16 from 1 to 3
+move 1 from 8 to 7
+move 12 from 4 to 6
+move 9 from 6 to 5
+move 3 from 6 to 5
+move 6 from 7 to 5
+move 3 from 3 to 5
+move 2 from 6 to 3
+move 11 from 5 to 8
+move 2 from 8 to 3
+move 2 from 1 to 4
+move 7 from 3 to 1
+move 2 from 4 to 6
+move 2 from 6 to 2
+move 5 from 7 to 3
+move 1 from 1 to 6
+move 1 from 1 to 8
+move 2 from 2 to 5
+move 1 from 7 to 4
+move 1 from 1 to 2
+move 10 from 3 to 5
+move 11 from 3 to 6
+move 1 from 4 to 9
+move 1 from 9 to 4
+move 1 from 4 to 2
+move 2 from 5 to 9
+move 2 from 2 to 8
+move 2 from 1 to 6
+move 2 from 1 to 2
+move 2 from 3 to 6
+move 3 from 8 to 1
+move 3 from 1 to 4
+move 7 from 8 to 3
+move 2 from 9 to 5
+move 2 from 4 to 9
+move 7 from 5 to 6
+move 2 from 8 to 6
+move 1 from 4 to 8
+move 2 from 2 to 4
+move 21 from 6 to 3
+move 10 from 5 to 7
+move 7 from 7 to 6
+move 1 from 9 to 3
+move 1 from 4 to 9
+move 1 from 9 to 4
+move 1 from 8 to 4
+move 8 from 6 to 4
+move 1 from 4 to 5
+move 1 from 5 to 8
+move 4 from 3 to 6
+move 1 from 8 to 2
+move 1 from 4 to 2
+move 2 from 7 to 3
+move 2 from 2 to 7
+move 22 from 3 to 5
+move 4 from 6 to 2
+move 2 from 6 to 9
+move 7 from 3 to 9
+move 6 from 9 to 1
+move 18 from 5 to 3
+move 2 from 5 to 4
+move 20 from 3 to 5
+move 3 from 7 to 3
+move 5 from 1 to 2
+move 11 from 5 to 7
+move 1 from 1 to 7
+move 3 from 9 to 3
+move 16 from 5 to 8
+move 7 from 8 to 7
+move 1 from 9 to 2
+move 8 from 2 to 3
+move 2 from 2 to 4
+move 3 from 3 to 1
+move 9 from 3 to 8
+move 1 from 6 to 3
+move 9 from 7 to 3
+move 3 from 1 to 8
+move 1 from 7 to 9
+move 1 from 9 to 4
+move 1 from 7 to 5
+move 10 from 4 to 5
+move 2 from 4 to 2
+move 19 from 8 to 5
+move 1 from 8 to 3
+move 4 from 3 to 5
+move 2 from 4 to 8
+move 4 from 7 to 8
+move 4 from 3 to 9
+move 4 from 7 to 6
+move 2 from 2 to 5
+move 2 from 3 to 2
+move 6 from 8 to 7
+move 1 from 8 to 4
+move 2 from 6 to 4
+move 3 from 4 to 8
+move 3 from 9 to 2
+move 4 from 7 to 8
+move 28 from 5 to 8
+move 16 from 8 to 4
+move 11 from 8 to 4
+move 3 from 3 to 4
+move 7 from 5 to 8
+move 13 from 8 to 7
+move 1 from 5 to 6
+move 1 from 6 to 7
+move 1 from 9 to 2
+move 2 from 6 to 2
+move 12 from 4 to 9
+move 4 from 4 to 1
+move 2 from 9 to 8
+move 4 from 8 to 3
+move 3 from 4 to 5
+move 4 from 4 to 1
+move 4 from 4 to 7
+move 3 from 7 to 9
+move 5 from 9 to 7
+move 7 from 2 to 3
+move 1 from 5 to 7
+move 8 from 1 to 5
+move 1 from 2 to 4
+move 11 from 3 to 1
+move 10 from 5 to 3
+move 3 from 9 to 1
+move 3 from 9 to 6
+move 5 from 1 to 6
+move 7 from 6 to 9
+move 8 from 9 to 7
+move 9 from 3 to 4
+move 1 from 6 to 9
+move 8 from 7 to 1
+move 9 from 4 to 2
+move 2 from 1 to 6
+move 3 from 2 to 6
+move 4 from 4 to 6
+move 2 from 9 to 8
+move 2 from 1 to 2
+move 1 from 3 to 8
+move 2 from 8 to 4
+move 1 from 6 to 8
+move 11 from 1 to 6
+move 1 from 1 to 5
+move 3 from 2 to 9
+move 2 from 9 to 3
+move 1 from 1 to 7
+move 2 from 4 to 9
+move 4 from 2 to 9
+move 2 from 8 to 5
+move 10 from 6 to 1
+move 2 from 5 to 6
+move 5 from 9 to 8
+move 5 from 8 to 7
+move 1 from 2 to 1
+move 7 from 1 to 2
+move 2 from 9 to 4
+move 1 from 3 to 5
+move 15 from 7 to 2
+move 8 from 6 to 3
+move 2 from 4 to 3
+move 2 from 6 to 4
+move 4 from 7 to 1
+move 4 from 7 to 5
+move 1 from 6 to 4
+move 3 from 1 to 7
+move 5 from 7 to 6
+move 4 from 7 to 5
+move 18 from 2 to 4
+move 5 from 6 to 4
+move 4 from 1 to 2
+move 8 from 3 to 8
+move 2 from 8 to 4
+move 2 from 3 to 7
+move 1 from 5 to 7
+move 3 from 8 to 4
+move 2 from 7 to 2
+move 1 from 3 to 8
+move 9 from 2 to 6
+move 2 from 8 to 6
+move 1 from 7 to 3
+move 1 from 3 to 5
+move 3 from 6 to 8
+move 1 from 8 to 5
+move 1 from 5 to 9
+move 1 from 1 to 2
+move 5 from 4 to 6
+move 10 from 6 to 2
+move 5 from 2 to 6
+move 5 from 6 to 4
+move 1 from 6 to 3
+move 6 from 4 to 6
+move 3 from 2 to 6
+move 2 from 2 to 3
+move 11 from 4 to 6
+move 1 from 9 to 5
+move 4 from 6 to 7
+move 1 from 4 to 3
+move 12 from 4 to 3
+move 1 from 8 to 6
+move 9 from 5 to 7
+move 1 from 5 to 2
+move 1 from 8 to 5
+move 1 from 4 to 9
+move 9 from 7 to 9
+move 1 from 3 to 4
+move 2 from 3 to 6
+move 2 from 5 to 6
+move 2 from 8 to 5
+move 11 from 3 to 4
+move 2 from 3 to 1
+move 1 from 2 to 3
+move 1 from 3 to 8
+move 3 from 7 to 9
+move 5 from 4 to 2
+move 2 from 5 to 8
+move 6 from 4 to 2
+move 1 from 1 to 3
+move 12 from 9 to 1
+move 6 from 1 to 6
+move 1 from 8 to 4
+move 1 from 8 to 3
+move 5 from 2 to 7
+move 2 from 3 to 9
+move 5 from 7 to 1
+move 1 from 7 to 5
+move 2 from 9 to 1
+move 14 from 1 to 7
+move 2 from 4 to 7
+move 7 from 2 to 4
+move 1 from 2 to 1
+move 1 from 1 to 3
+move 1 from 5 to 4
+move 1 from 9 to 6
+move 16 from 6 to 5
+move 2 from 5 to 4
+move 12 from 6 to 8
+move 10 from 4 to 8
+move 9 from 7 to 3
+move 4 from 7 to 6
+move 11 from 5 to 8
+move 2 from 5 to 2
+move 14 from 8 to 9
+move 1 from 5 to 1
+move 3 from 9 to 4
+move 2 from 2 to 1
+move 7 from 8 to 3
+move 6 from 3 to 5
+move 8 from 9 to 8
+move 1 from 6 to 1
+move 1 from 4 to 2
+move 4 from 3 to 8
+move 1 from 7 to 2
+move 3 from 1 to 5
+move 2 from 5 to 7
+move 3 from 9 to 2
+move 1 from 1 to 8
+move 5 from 5 to 4
+move 2 from 7 to 8
+move 4 from 2 to 5
+move 1 from 2 to 4
+move 2 from 7 to 8
+move 4 from 6 to 2
+move 6 from 5 to 3
+move 1 from 6 to 5
+move 1 from 5 to 3
+move 1 from 3 to 8
+move 8 from 8 to 3
+move 9 from 8 to 5
+move 9 from 8 to 2
+move 2 from 8 to 9
+move 2 from 3 to 8
+move 5 from 5 to 8
+move 1 from 3 to 7
+move 2 from 9 to 5
+move 7 from 2 to 4
+move 14 from 4 to 6
+move 2 from 2 to 7
+move 1 from 7 to 3
+move 1 from 7 to 9
+move 3 from 5 to 2
+move 1 from 7 to 1
+move 3 from 2 to 4
+move 7 from 8 to 2
+move 3 from 6 to 1
+move 17 from 3 to 1
+move 2 from 8 to 3
+move 6 from 2 to 7
+move 2 from 7 to 9
+move 3 from 6 to 8
+move 2 from 8 to 6
+move 4 from 2 to 1
+move 3 from 4 to 7
+move 1 from 8 to 7
+move 1 from 8 to 9
+move 1 from 4 to 2
+move 3 from 5 to 7
+move 2 from 3 to 1
+move 2 from 3 to 5
+move 5 from 7 to 4
+move 5 from 7 to 3
+move 1 from 4 to 8
+move 3 from 3 to 1
+move 6 from 1 to 3
+move 1 from 7 to 5
+move 2 from 9 to 2
+move 3 from 5 to 8
+move 1 from 8 to 1
+move 8 from 3 to 5
+move 1 from 4 to 9
+move 3 from 6 to 5
+move 3 from 6 to 3
+move 2 from 3 to 7
+move 1 from 4 to 7
+move 3 from 6 to 4
+move 2 from 7 to 2
+move 1 from 7 to 8
+move 2 from 5 to 4
+move 1 from 6 to 1
+move 7 from 4 to 7
+move 7 from 5 to 2
+move 10 from 2 to 3
+move 3 from 2 to 6
+move 3 from 8 to 1
+move 1 from 8 to 7
+move 2 from 6 to 3
+move 1 from 6 to 9
+move 4 from 7 to 5
+move 16 from 1 to 5
+move 1 from 9 to 7
+move 3 from 7 to 6
+move 11 from 5 to 6
+move 2 from 7 to 9
+move 12 from 6 to 4
+move 2 from 6 to 9
+move 6 from 3 to 2
+move 1 from 5 to 7
+move 5 from 9 to 5
+move 1 from 9 to 6
+move 4 from 3 to 7
+move 1 from 4 to 2
+move 7 from 2 to 5
+move 3 from 5 to 2
+move 6 from 5 to 6
+move 3 from 2 to 6
+move 9 from 6 to 8
+move 5 from 5 to 9
+move 5 from 7 to 1
+move 4 from 1 to 9
+move 2 from 9 to 4
+move 1 from 6 to 7
+move 9 from 4 to 1
+move 7 from 5 to 9
+move 18 from 1 to 3
+move 9 from 9 to 5
+move 8 from 8 to 2
+move 1 from 2 to 5
+move 4 from 2 to 3
+move 4 from 9 to 6
+move 1 from 4 to 8
+move 2 from 5 to 7
+move 2 from 9 to 2
+move 10 from 3 to 9
+move 5 from 5 to 9
+move 1 from 7 to 2
+move 2 from 8 to 7
+move 2 from 3 to 5
+move 2 from 9 to 1
+move 2 from 7 to 3
+move 1 from 2 to 1
+move 5 from 5 to 8
+move 1 from 2 to 1
+move 15 from 3 to 6
+move 1 from 7 to 6
+move 10 from 6 to 5
+move 1 from 7 to 8
+move 4 from 1 to 6
+move 1 from 8 to 3
+move 2 from 1 to 5
+move 3 from 8 to 1
+move 1 from 4 to 6
+move 1 from 4 to 2
+move 4 from 9 to 7
+move 6 from 5 to 7
+move 3 from 1 to 9
+move 10 from 6 to 8
+move 2 from 1 to 3
+move 8 from 7 to 9
+move 1 from 9 to 6
+move 2 from 7 to 9
+move 3 from 3 to 5
+move 1 from 2 to 6
+move 2 from 6 to 5
+move 5 from 9 to 4
+move 4 from 8 to 2
+move 1 from 1 to 3
+move 4 from 5 to 9
+move 3 from 6 to 1
+move 2 from 1 to 5
+move 3 from 5 to 2
+move 8 from 8 to 3
+move 11 from 9 to 4
+move 13 from 4 to 8
+move 2 from 9 to 2
+move 2 from 3 to 1
+move 1 from 4 to 1
+move 1 from 3 to 8
+move 2 from 6 to 9
+move 7 from 8 to 1
+move 3 from 2 to 5
+move 7 from 2 to 5
+move 3 from 4 to 6
+move 4 from 9 to 2
+move 2 from 3 to 5
+move 9 from 5 to 6
+move 5 from 2 to 7
+move 2 from 9 to 2
+move 2 from 9 to 7
+move 12 from 6 to 8
+move 5 from 5 to 7
+move 1 from 9 to 8
+move 3 from 1 to 6
+move 5 from 5 to 8
+move 6 from 1 to 9
+move 2 from 1 to 5
+move 1 from 6 to 9
+move 5 from 9 to 7
+move 2 from 5 to 8
+move 11 from 7 to 6
+move 20 from 8 to 1
+move 2 from 9 to 8
+move 4 from 7 to 6
+move 6 from 8 to 3
+move 13 from 6 to 9
+move 4 from 3 to 2
+move 4 from 6 to 3
+move 2 from 3 to 6
+move 5 from 9 to 8
+move 2 from 7 to 1
+move 2 from 6 to 9
+move 6 from 8 to 3
+move 6 from 3 to 6
+move 5 from 2 to 9
+move 22 from 1 to 3
+move 3 from 2 to 1
+move 5 from 9 to 3
+move 1 from 1 to 6
+move 3 from 6 to 2
+move 1 from 2 to 4
+move 33 from 3 to 5
+move 1 from 8 to 7

d5/main.cxx

@@ -0,0 +1,51 @@
+#include <iostream>
+#include <fstream>
+#include <sstream>
+#include <string>
+#include <vector>
+#include <map>
+#include <algorithm>
+
+int main()
+{
+  std::ifstream file{"../d5/input.txt"};
+
+  std::vector<std::string> input;
+  std::string line, ignore;
+  while (std::getline(file, line))
+    input.push_back(line);
+
+  const auto it = std::find_if(input.begin(), input.end(), [&](const auto &l)
+                               { return l[1] == '1'; });
+  const int crateVerLen = it - input.begin();
+  const int crateHorLen = input[0].size();
+  std::map<int, std::stack<char>> crates{};
+
+  for (int i{crateVerLen - 1}; i >= 0; i--)
+    for (int j{1}; j < crateHorLen; j += 4)
+      if (input[i][j] != ' ')
+        crates[(j / 4) + 1].push(input[i][j]);
+
+  for (int i{crateVerLen + 2}; i < input.size(); i++)
+  {
+    std::stringstream iss(input[i]);
+    int amount, from, to;
+    iss >> ignore >> amount >> ignore >> from >> ignore >> to;
+
+    std::vector<char> cs{};
+    for (int j{0}; j < amount; j++)
+    {
+      cs.push_back(crates[from].top());
+      crates[from].pop();
+    }
+    for (int j = cs.size() - 1; j >= 0; j--)
+      crates[to].push(cs[j]);
+  }
+
+  for (auto &[_, cs] : crates)
+    std::cout << cs.top();
+
+  std::cout << std::endl;
+
+  return 0;
+}