quickSelection:  The value with rank 20000 is 122032899
quickSelection time used is 0.001698
qsort: The value with rank 20000 is 122032899
qsort time used is 0.016951
position 9 n 100000
position 8 n 10907
position 7 n 1952
position 6 n 370
position 5 n 65
position 4 n 16
position 3 n 3
position 2 n 1
MSD 10 radix: The value with rank 20000 is 122032899
radix selection time used is 0.004143