View Compilation Error

0_0_8114510_30114.cpp: In function `int judge_same(int)':
0_0_8114510_30114.cpp:55: error: invalid conversion from `R*' to `size_t'
0_0_8114510_30114.cpp:55: error: invalid conversion from `bool (*)(const R&, const R&)' to `size_t'
GCC/bin/../lib/gcc/mingw32/3.4.2/../../../../include/stdlib.h:361: error: too few arguments to function `void qsort(void*, size_t, size_t, int (*)(const void*, const void*))'
0_0_8114510_30114.cpp:55: error: at this point in file
0_0_8114510_30114.cpp:56: error: invalid conversion from `R*' to `size_t'
0_0_8114510_30114.cpp:56: error: invalid conversion from `bool (*)(const R&, const R&)' to `size_t'
GCC/bin/../lib/gcc/mingw32/3.4.2/../../../../include/stdlib.h:361: error: too few arguments to function `void qsort(void*, size_t, size_t, int (*)(const void*, const void*))'
0_0_8114510_30114.cpp:56: error: at this point in file