Add solutions for "Day 7: Bridge Repair"

include/aoc/BridgeRepair.hpp

@@ -0,0 +1,33 @@
+// Solutions to the Advent Of Code 2024.
+// Copyright (C) 2025  Stefan Müller
+//
+// This program is free software: you can redistribute it and/or modify it under
+// the terms of the GNU General Public License as published by the Free Software
+// Foundation, either version 3 of the License, or (at your option) any later
+// version.
+//
+// This program is distributed in the hope that it will be useful, but WITHOUT
+// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+// FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License along with
+// this program.  If not, see <http://www.gnu.org/licenses/>.
+
+#pragma once
+
+#include <vector>
+
+#include <aoc/Solver.hpp>
+
+class BridgeRepair
+    : public Solver
+{
+public:
+    virtual const std::string getPuzzleName() const override;
+    virtual const std::string getInputFileName() const override;
+    virtual void processDataLine(const std::string& line) override;
+    virtual void finish() override;
+private:
+    bool testCalibration(const long long int testValue, const std::vector<std::pair<int, int>>& calibrationNumbers,
+        const size_t currentIndex, const bool allowConcatenation, const long long int accumulatedTestValue);
+};

include/aoc/Math.hpp

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+// Solutions to the Advent Of Code 2024.
+// Copyright (C) 2025  Stefan Müller
+//
+// This program is free software: you can redistribute it and/or modify it under
+// the terms of the GNU General Public License as published by the Free Software
+// Foundation, either version 3 of the License, or (at your option) any later
+// version.
+//
+// This program is distributed in the hope that it will be useful, but WITHOUT
+// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+// FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License along with
+// this program.  If not, see <http://www.gnu.org/licenses/>.
+
+#pragma once
+
+class Math
+{
+public:
+    static int ipow(const int base, const int exponent);
+};