parsing, C++ (clang)

Language: Layout:

#include <iostream>
#include <vector>
#include <sstream>

const std::string data = R"(
9020,4[2,0,5,14,10,4,3,13,1]
7805,5[13,3,12,12,0,9,7,10,6,1]
7075,5[3,2,4,9,7,0,1,5,6,14]
7679,4[0,4,14,1,3,12,5,10]
6356,3[7,3]
6874,5[14,0,4,10,9,3]
4715,4[9]
4784,5[11]
4321,3[5,3,8,9]
6469,5[7,6,6,14,12,5,2]
4838,4[1,2]
4103,3[14]
5904,5[5,4,6]
5775,3[10,14,14,8,7,3,4]
7070,4[1,4,6,11,13,3,2,5,14]
4605,3[6,10,1,8,7,3,3]
7484,4[11,5,14,2,6,7,8,1,0]
)";
    
struct Entity
{
    int budget;
    int hotel_type;
    std::vector<int> events;
};

int main()
{
    std::vector<Entity> entities;
    
    std::stringstream ss(data);
    
    while (ss) {
        Entity entity;
        char separator;
        ss >> entity.budget >> separator >> entity.hotel_type >> separator;
        
        while (ss && separator != ']') {
            int event;
            ss >> event >> separator;
            entity.events.push_back(event);
        }
        
        if (ss)
            entities.push_back(std::move(entity));
    }
    
    for (const Entity& e : entities) {
        std::cout << "budget = " << e.budget << "; hotel_type = " << e.hotel_type << "; events.size = " << e.events.size() << std::endl;
    }       
}

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Compilation time: 1.07 sec, absolute running time: 0.14 sec, cpu time: 0.08 sec, memory peak: 3 Mb, absolute service time: 1,23 sec