#include <stdio.h> int main() { // Reserve 20 bytes of memory for a string char myString[20] = "Hello World!\0"; int memorySize = sizeof(myString); int stringSize; // Print the string and use %n to measure it printf("%s%n\n", myString, &stringSize); // Print the size of the string printf("Memory size: %d\n", memorySize); printf("String size: %d\n", stringSize); return 0; }