random_shuffle_permutation refactoring
random_shuffle_permutation refactoring

xinghuwang/libcds,eugenyk/libcds,hanbinhu/libcds,goswamia/libcds,xinghuwang/libcds,eugenyk/libcds,xinghuwang/libcds,hanbinhu/libcds,xinghuwang/libcds,goswamia/libcds,elventear/libcds,hanbinhu/libcds,goswamia/libcds,eugenyk/libcds,goswamia/libcds,elventear/libcds,eugenyk/libcds,goswamia/libcds,elventear/libcds,xinghuwang/libcds,hanbinhu/libcds,elventear/libcds,hanbinhu/libcds,elventear/libcds,eugenyk/libcds