add my version of python to c++ converter

week4/community-contributions/max.solo23/optimized.cpp

@@ -0,0 +1,73 @@
+#include <iostream>
+#include <vector>
+#include <limits>
+#include <chrono>
+#include <iomanip>
+#include <cstdint>
+
+class LCG {
+private:
+    uint64_t value;
+    const uint64_t a = 1664525;
+    const uint64_t c = 1013904223;
+    const uint64_t m = 1ULL << 32;
+
+public:
+    LCG(uint64_t seed) : value(seed) {}
+
+    uint64_t next() {
+        value = (a * value + c) % m;
+        return value;
+    }
+};
+
+int64_t max_subarray_sum(int n, uint64_t seed, int min_val, int max_val) {
+    LCG lcg(seed);
+    std::vector<int64_t> random_numbers(n);
+    for (int i = 0; i < n; ++i) {
+        random_numbers[i] = lcg.next() % (max_val - min_val + 1) + min_val;
+    }
+
+    int64_t max_sum = std::numeric_limits<int64_t>::min();
+    int64_t current_sum = 0;
+    int64_t min_sum = 0;
+
+    for (int i = 0; i < n; ++i) {
+        current_sum += random_numbers[i];
+        max_sum = std::max(max_sum, current_sum - min_sum);
+        min_sum = std::min(min_sum, current_sum);
+    }
+
+    return max_sum;
+}
+
+int64_t total_max_subarray_sum(int n, uint64_t initial_seed, int min_val, int max_val) {
+    int64_t total_sum = 0;
+    LCG lcg(initial_seed);
+    for (int i = 0; i < 20; ++i) {
+        uint64_t seed = lcg.next();
+        total_sum += max_subarray_sum(n, seed, min_val, max_val);
+    }
+    return total_sum;
+}
+
+int main() {
+    const int n = 10000;
+    const uint64_t initial_seed = 42;
+    const int min_val = -10;
+    const int max_val = 10;
+
+    auto start_time = std::chrono::high_resolution_clock::now();
+    int64_t result = total_max_subarray_sum(n, initial_seed, min_val, max_val);
+    auto end_time = std::chrono::high_resolution_clock::now();
+
+    auto duration = std::chrono::duration_cast<std::chrono::microseconds>(end_time - start_time);
+
+    std::cout << "Total Maximum Subarray Sum (20 runs): " << result << std::endl;
+    std::cout << "Execution Time: " << std::fixed << std::setprecision(6) << duration.count() / 1e6 << " seconds" << std::endl;
+
+    std::cout << "Press Enter to exit...";
+    std::cin.get();
+
+    return 0;
+}