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A girl attaches a rock to a string,which she then swings counter-clockwise in a horizontal circle.The string breaks at point P in the figure,which shows a bird's-eye view (as seen from above) .Which path (A-E) will the rock follow?
#ifdef Directive
In C/C++ programming, it is used to make compilation decisions based on whether a particular identifier has been defined earlier in the code or through command-line flags.
Conditional Compilation
A feature in some programming languages that allows the compiler to include or exclude portions of code based on certain conditions.
#ifndef Condition
A preprocessor directive in C/C++ used to check if a specific identifier is not defined before including or skipping part of the code.
#ifdef !condition
A preprocessor directive used in C/C++ programming to include or exclude code blocks based on whether a condition is not met.
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