Move c++ solutions into separate directory

2024/day-02/main.cpp

@@ -1,80 +0,0 @@
-#include <iostream>
-#include <sstream>
-#include <vector>
-
-using namespace std;
-
-vector<vector<int>> readInput()
-{
-    vector<vector<int>> list;
-    string line;
-    while (getline(cin, line)) {
-        list.push_back({});
-        stringstream stream(line);
-        int value;
-        while (stream >> value) {
-            list.back().push_back(value);
-        }
-    }
-    return list;
-}
-
-int getIndexOfUnsafeValue(const vector<int> &report)
-{
-    const int MAX_SAFE_DIFFERENCE = 3;
-
-    int directionOfChange = (report.front() < report.back()) ? 1 : -1;
-    for (size_t i = 0; i < report.size() - 1; i++) {
-        int levelDifference = (report[i + 1] - report[i]) * directionOfChange;
-        if (levelDifference <= 0 || levelDifference > MAX_SAFE_DIFFERENCE) {
-            return i;
-        }
-    }
-
-    return -1;
-}
-
-bool isSafeReport(const vector<int> &report, const bool applyDampener)
-{
-    int indexOfUnsafeValue = getIndexOfUnsafeValue(report);
-
-    if (indexOfUnsafeValue == -1) {
-        return true;
-    }
-
-    if (!applyDampener) {
-        return false;
-    }
-
-    vector<int> tempReport = report;
-    int unsafeValue = report[indexOfUnsafeValue];
-    tempReport.erase(tempReport.begin() + indexOfUnsafeValue);
-    if (getIndexOfUnsafeValue(tempReport) == -1) {
-        return true;
-    }
-
-    tempReport.insert(tempReport.begin() + indexOfUnsafeValue, unsafeValue);
-    tempReport.erase(tempReport.begin() + indexOfUnsafeValue + 1);
-    return getIndexOfUnsafeValue(tempReport) == -1;
-}
-
-int calculateNumberOfSafeReports(const vector<vector<int>> &list, const bool applyDampener)
-{
-    int numberOfSafeReports = 0;
-    for (const vector<int> &report : list) {
-        numberOfSafeReports += isSafeReport(report, applyDampener);
-    }
-    return numberOfSafeReports;
-}
-
-int main()
-{
-    vector<vector<int>> list = readInput();
-
-    // Part one
-    cout << "Number of safe reports: " << calculateNumberOfSafeReports(list, false) << endl;
-
-    // Part two
-    cout << "Number of safe reports (when taking the dampener into account): "
-         << calculateNumberOfSafeReports(list, true) << endl;
-}