C in 100 Seconds: If Else — Grade Calculator in 14 Lines | Episode 5

Branching in 100 seconds. if checks a condition. else if adds more branches. else catches everything that fell through. Plus the ternary operator for one-line conditions. A grade calculator — score 85 hits the second branch and gets a B. Conditions check top to bottom. First match wins. The ternary operator packs an if/else into one line — question mark for true, colon for false. Student code: https://github.com/GoCelesteAI/c-in-100-seconds/tree/main/episode05 What You'll Learn: • if — check a condition • else if — add more branches • else — catch everything that fell through • gt= comparison operator • Ternary operator — condition ? true : false • Conditions check top to bottom, first match wins Next: Episode 6 — Switch Statement #c #programming #100seconds #learnc #ifelse #conditionals #ternary #branching #tutorial Tags c if else, conditionals c, else if c, ternary operator c, branching c, c tutorial 2026, c beginner, 100 seconds, learn c, coding tutorial