To generate array of random numbers in a given range in “C”

Question

i want to generate an array of random numbers for example if the range is [0,10] then the desired output to be 2 3 5 6 4 7 8 9 0 1 ( non repeatitive )

the problem

Answer 1

+ Put all your numbers in the result array
+ from N down to 2
+ ---- shuffle N elements
+ return array

Example

fillarray(arr, 10);
for (n = 10; n > 1; n++) shufflearray(arr, n);
/* done */

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Edit --- thanks downvoter! I didn't even realize I was doing too much work up there

• Put all your numbers in the result array
• from N down to 2
• ---- swap element N with a random element from 1 to N
• return array