View Compilation Error

0_0_14074246_13166.c: In function 'main':
0_0_14074246_13166.c:11:16: error: expected expression before '/' token
  int n,m,sum=0;//n学生,m课程
                ^
0_0_14074246_13166.c:11:16: error: stray '\321' in program
0_0_14074246_13166.c:11:16: error: stray '\247' in program
0_0_14074246_13166.c:11:16: error: stray '\311' in program
0_0_14074246_13166.c:11:16: error: stray '\372' in program
0_0_14074246_13166.c:11:16: error: stray '\277' in program
0_0_14074246_13166.c:11:16: error: stray '\316' in program
0_0_14074246_13166.c:11:16: error: stray '\263' in program
0_0_14074246_13166.c:11:16: error: stray '\314' in program
0_0_14074246_13166.c:14:1: error: expected expression before '/' token
 // memset(adj,0,sizeof(adj));
 ^
0_0_14074246_13166.c:57:6: error: 'adj' undeclared (first use in this function)
      adj+=1;
      ^
0_0_14074246_13166.c:57:6: note: each undeclared identifier is reported only once for each function it appears in