Laskettelukeskus

input/code.cpp:40:19: error: extended character ‘ is not valid in an identifier
   40 |   std::cin.ignore(‘\n’)
      |                   ^
input/code.cpp:40:20: error: stray '\' in program
   40 |   std::cin.ignore(‘\n’)
      |                    ^
input/code.cpp:40:21: error: extended character ’ is not valid in an identifier
   40 |   std::cin.ignore(‘\n’)
      |                     ^
input/code.cpp: In function 'int main()':
input/code.cpp:40:19: error: '\U00002018' was not declared in this scope
   40 |   std::cin.ignore(‘\n’)
      |                   ^
input/code.cpp:44:5: error: 'ss' was not declared in this scope
   44 |     ss >> requireds[i];
      |     ^~

#include <string>
#include <array>
#include <iostream>
#include <sstream>
#include <vector>
#include <ios>
 
std::array<unsigned int, 100000> requireds;
std::array<std::vector<unsigned short int>, 100000> nodes;
 
int calculate(int cur_node) {
  std::vector<unsigned short int> children = nodes[cur_node];
  unsigned int t = 0;
  for (int c : children) {
    t += calculate(c);
  }
  if (t > requireds[cur_node - 1]) {
    return t;
  } else {
    return requireds[cur_node - 1];
  }
}
 
int main() {
  std::ios_base::sync_with_stdio(false);
  int count;
  std::cin >> count;
 
  int temp1;
  int temp2;
 
  for (int i = 0; i < (count - 1); i++) {
    std::cin >> temp1 >> temp2;
    nodes[temp1].push_back(temp2);
  }
 
 
  std::string input;
  std::getline(std::cin, input);
  std::cin.ignore(‘\n’)
  std::istringstream ss(input);
 
  for (int i = 0; i < count; i++) {
    ss >> requireds[i];
  }
 
/*   
  for (int i = 0; i < count; i++) {
    std::cin >> requireds[i];
  }
*/
  std::cout << calculate(1);
}
/*
$nodes = Hash.new { Array.new }
 
while rows.length > 0
  a, b = rows.shift
  $nodes[a] |= [b]
end
 
def calculate(current)
  children = $nodes[current]
  #puts "#{current}, #{children}"
  if !children.empty?
    t = 0
    children.each { |c| t += calculate(c) }
    if t >= $requireds[current - 1]
      return t
    end
  end
  return $requireds[current - 1] # shift
end
 
count = gets.chomp.to_i
 
rows = []
(count - 1).times do
  rows << gets.chomp.split(" ").map(&:to_i)
end
 
$requireds = gets.chomp.split(" ").map(&:to_i)
 
 
# hash stores parent
# parent through child until child has no child, then take thing and return with alg
puts calculate(1)
*/