Expression

3 articles

dsa1 min read

Evaluate a string expression with +, -, *, / using a stack that handles operator precedence without parentheses.

March 19, 2026Read →

dsa2 min read

Evaluate a basic expression with +, -, and parentheses using a stack to save and restore sign context.

March 19, 2026Read →

dsa3 min read

Generate all expressions by inserting +, -, * between digits to reach target. Track running value and last operand for multiplication.

May 20, 2025Read →