🔄 For Loop Visualization
USACO C++ Book · Interactive Visualizer
🔁 For Loop Execution — Step-by-Step Trace
for loop
Loop Trace
Step 0/8
📊 Loop Flowchart (tracing sum += i, i from 1 to 5)
🗂 Variable State
Loop Variable i
Accumulator sum
Condition i <= 5
Iteration History
💻 Code
Hint
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to trace each phase of the for loop: Init → Condition Check → Body → Update.
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