Ken H

Ken H

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number of permutations in c language

Nov 19 2013 1:52 AM
hi friend,
     
           When not in use the system to provide built-in function to achieve full array in c language.

Such as:
Please input n=3
123
132
213
231
312
321


Please input n=4
1234
1243
1324
1342
1423
1432
2134
2143
2314
2341
2413
2431
3124
3142
3214
3241
3412
3421
4123
4132
4213
4231
4312
4321

thanks.

Answers (14)