View Compilation Error

0_0_35504828_19004.cpp: In function 'void Gauss()':
0_0_35504828_19004.cpp:22:27: error: expected statement at end of input
      for(ri k=j-1;k>=0;--k)//
                           ^
0_0_35504828_19004.cpp:22:27: error: expected '}' at end of input
0_0_35504828_19004.cpp:22:27: error: expected '}' at end of input
0_0_35504828_19004.cpp:22:27: error: expected '}' at end of input
0_0_35504828_19004.cpp:22:27: error: expected '}' at end of input