Flow Charting
There are different techniques that are used to analyze and design a program. We will use the flow chart technique. A flow chart is a pictorial representation of a program. There are labeled geometrical symbols, together with the arrows connecting one symbol with other. A flow chart helps in correctly designing the program by visually showing the sequence of instructions to be executed. A programmer can trace and rectify the logical errors by first drawing a flow chart and then simulating it. The flow chart for the if structure is shown in the figure below.
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