olkhovich

std::string encodeString(std::string str) {
  std::string result = "";
  int count = 0;
  int len = str.length();

  for (int i = 0; i < len; i++) {
    count++;

    if (i == len - 1 || str[i] != str[i + 1]) {
      result += str[i] + std::to_string(count);
      count = 0;
    }
  }

  return result;
}

Running as root without --no-sandbox is not supported.

действительно ли американские туториалы и спецификации лучше русскоязычных ?

#include <iostream>
#include <string>
#include <vector>

void change_status(int i, std::vector<bool>& people) {
    if (i > people.size()) {
        people.resize(i + 1);
    }
    if (i > 0) {
        people[i] = true;
    }
}

void come(int k, std::vector<bool>& people) {
    people.resize(people.size() + k + 1);
}

void worry_count(const std::vector<std::string>& commands, const std::vector<int>& values, std::vector<bool>& people) {
    int counter = 0;
    for (bool person : people) {
        if (person) {
            ++counter;
        }
    }
    std::cout << counter << std::endl;
}

int main(void) {
    std::vector<std::string> commands = {"COME", "WORRY", "WORRY", "COME", "WORRY_COUNT", "COME", "WORRY", "WORRY_COUNT"};
    std::vector<int> values = {5, 1, 4, -2, 0, 3, 3, 0};
    std::vector<bool> people; // true - беспокоящийся человек, false - спокойный

    int i = 0;
    for (std::string command : commands) {
        if (command == "WORRY" || command == "QUIET") {
            change_status(i, people);
        } else if (command == "COME") {
            come(i, people);
        } else {
            worry_count(commands, values, people);
        }
        ++i;
    }
    return 0;
}