56 lines
999 B
C++
56 lines
999 B
C++
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#include <fstream>
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#include <iostream>
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#include <set>
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#include <sstream>
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#include <string>
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#include <vector>
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int main()
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{
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std::ifstream ifs("data.txt");
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if(!ifs.is_open())
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{
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std::cerr << "Missing data.txt." << std::endl;
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return -1;
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}
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unsigned long total = 0;
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unsigned long total_pt2 = 0;
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std::vector<std::vector<long>> data;
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for(std::string line; std::getline(ifs, line); )
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{
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if(line == "")
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continue;
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// add a row for this line:
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data.push_back({});
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std::istringstream input(line);
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// for each value in the line:
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for(std::string value; std::getline(input, value, ' '); )
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{
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try {
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// add it to the row
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data.back().push_back(std::atoi(value.c_str()));
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} catch (const std::exception &e) {
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break;
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}
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}
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}
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// DEBUG:
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for(auto row : data)
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{
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for(auto col : row)
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std::cout << col << ", ";
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std::cout << std::endl;
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}
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std::cout << " Total: " << total << std::endl;
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std::cout << "PT2 Total: " << total_pt2 << std::endl;
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return 0;
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}
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