You're staring at your assignment, watching your C code crash with a segmentation fault. Maybe you tried to allocate an array with malloc , but nothing works like you'd expect. The TA says "it's a memory leak," but honestly, you don't even know where the memory went. I’ve been there—my own code kept breaking in algorithms class until I finally understood how dynamic memory actually works in C. What Is Dynamic Memory Allocation, Really? Before I took CS, I thought memory just... existed. If you needed a variable, you made it and it was always there. But in C, that's true only for variables with fixed sizes. If you want to create data structures that change size (like arrays that grow), you need to ask the computer for memory while your program is running . That's what "dynamic allocation" means. You use functions like malloc , calloc , and free to control this.…