Euler 1-5

project_euler/problem4.cc

@@ -0,0 +1,19 @@
+#include <cstdint>
+#include <fmt/format.h>
+
+int main()
+{
+    std::uint64_t max = 0;
+
+    for (std::size_t a = 999; a > 99; a--)
+    {
+        for (std::size_t b = 999; b > 99; b--)
+        {
+            std::string number = std::to_string(a * b);
+            if (std::equal(number.begin(), number.end(), number.rbegin()))
+                max = std::max(max, a * b);
+        }
+    }
+
+    fmt::print("Result: {}\n", max);
+}