advent_of_code/2022/01/main.cpp
2022-12-01 06:23:59 +01:00

47 lines
1.3 KiB
C++

#include <fstream>
#include <iostream>
#include <sstream>
#include <vector>
#include <algorithm>
std::vector<uint64_t> getCalories( std::ifstream &file ) {
std::vector<uint64_t> ret{};
ret.push_back({});
uint64_t tmp = 0;
std::string str;
uint64_t calories = 0;
while ( std::getline( file, str ) ) {
if(str.empty()) {
ret.push_back(calories);
calories = 0;
continue;
}
std::stringstream ss( str );
ss >> tmp;
calories += tmp;
}
ret.push_back(calories);
std::sort(ret.begin(), ret.end());
std::reverse(ret.begin(), ret.end());
return ret;
}
uint64_t getHighestCaloriesElf(const std::vector<uint64_t> &elves) {
return elves[0];
}
uint64_t get3HighestCaloriesElf(const std::vector<uint64_t> &elves) {
return elves[0] + elves[1] + elves[2];
}
int main() {
std::ifstream input_file( "input" );
auto elves = getCalories( input_file );
int part1 = getHighestCaloriesElf(elves);
std::cout << "The elf carrying the most calories is carrying \033[91;1m" << part1
<< "\033[0m calories." << std::endl;
int part2 = get3HighestCaloriesElf(elves);
std::cout << "The 3 elves carrying the most calories are carrying \033[91;1m" << part2
<< "\033[0m calories in total." << std::endl;
}