Initial project setup with main.cpp and expected_output.txt

expected_output.txt

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+The sum of numbers from 1 to 100 is: 5050

main.cpp

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+#include <iostream>
+
+int main() {
+    int sum = 0;
+    for (int i = 1; i <= 100; i++) {
+        sum += i;
+    }
+    std::cout << "The sum of numbers from 1 to 100 is: " << sum << std::endl;
+    return 0;
+}