example3_avoiding_memory_leaks.cpp

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#include <iostream>

int main() {
    int* ptr = new int(10);  // Allocate memory for an integer

    // Forgetting to delete the pointer results in a memory leak
    // delete ptr;  // Uncommenting this line would prevent the memory leak

    ptr = new int(20);  // Memory for the first integer is lost (leak)

    delete ptr;  // Deallocate memory for the second integer

    return 0;
}