View Compilation Error

0_0_29107003_31077.cpp:30:1: error: stray '\243' in program
 int index；             //索引号
 ^
0_0_29107003_31077.cpp:30:1: error: stray '\273' in program
0_0_29107003_31077.cpp:31:1: error: expected initializer before 'int'
 int sccno;              //强连通分量个数
 ^
0_0_29107003_31077.cpp: In function 'void init()':
0_0_29107003_31077.cpp:51:5: error: 'index' was not declared in this scope
     index=0;
     ^
0_0_29107003_31077.cpp:52:5: error: 'sccno' was not declared in this scope
     sccno=0;
     ^
0_0_29107003_31077.cpp: In function 'void tarjan(int)':
0_0_29107003_31077.cpp:66:21: error: 'index' was not declared in this scope
     dfn[u]=low[u]=++index;
                     ^
0_0_29107003_31077.cpp:80:9: error: 'sccno' was not declared in this scope
         sccno++;
         ^
0_0_29107003_31077.cpp: In function 'void topSort()':
0_0_29107003_31077.cpp:130:20: error: 'sccno' was not declared in this scope
     for(int i=1;i<=sccno;i++){
                    ^