Permutations by swapping: Difference between revisions
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Implementation of Heap's Algorithm, array length has to be passed as a parameter for non character arrays, as sizeof() will not give correct results when malloc is used. Prints usage on incorrect invocation. |
Implementation of Heap's Algorithm, array length has to be passed as a parameter for non character arrays, as sizeof() will not give correct results when malloc is used. Prints usage on incorrect invocation. |
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<lang C> |
<lang C> |
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/*Abhishek Ghosh, 25th October 2017*/ |
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#include<stdlib.h> |
#include<stdlib.h> |
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#include<string.h> |
#include<string.h> |
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[3,2,1] Sign : -1 |
[3,2,1] Sign : -1 |
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</pre> |
</pre> |
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=={{header|C++}}== |
=={{header|C++}}== |
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Direct implementation of Johnson-Trotter algorithm from the reference link. |
Direct implementation of Johnson-Trotter algorithm from the reference link. |
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