View Compilation Error

0_0_35684384_12857.cpp:22:1: error: stray '\272' in program
 right 和溢出
 ^
0_0_35684384_12857.cpp:22:1: error: stray '\315' in program
0_0_35684384_12857.cpp:22:1: error: stray '\322' in program
0_0_35684384_12857.cpp:22:1: error: stray '\347' in program
0_0_35684384_12857.cpp:22:1: error: stray '\263' in program
0_0_35684384_12857.cpp:22:1: error: stray '\366' in program
0_0_35684384_12857.cpp: In function 'void Mergesort(ll*, ll, ll)':
0_0_35684384_12857.cpp:23:2: error: expected ';' before 'Mergesort'
  Mergesort(a, left, mid);
  ^