An Introduction To Programming Through C-- By Abhiram Online

A week later, the midterm exam arrived. The problem: implement a binary search tree with a custom allocator. Students around him panicked. Leo smiled. He imagined Abhiram whispering from the page: "The tree is just a story. Each node is a small house. The allocator is just the land surveyor. Now go build your neighborhood."

Desperate, he stumbled into the library's sub-basement, a place known only for its smell of old paper and regret. He pulled the beige book off the shelf. An Introduction To Programming Through C-- By Abhiram

He never found out who Abhiram was. But sometimes, late at night, when his own students would stare at a segfault with hopeless eyes, he would lean over and whisper the same words that had saved him: A week later, the midterm exam arrived