View Compilation Error

0_0_29863369_16338.cpp:1:1: error: stray '\327' in program
 字
 ^
0_0_29863369_16338.cpp:1:1: error: stray '\326' in program
0_0_29863369_16338.cpp:2:3: error: expected unqualified-id before 'for'
   for(int i=0; i<size; i++) 
   ^
0_0_29863369_16338.cpp:2:16: error: 'i' does not name a type
   for(int i=0; i<size; i++) 
                ^
0_0_29863369_16338.cpp:2:24: error: 'i' does not name a type
   for(int i=0; i<size; i++) 
                        ^
0_0_29863369_16338.cpp:20:4: error: expected unqualified-id before 'if'
    if(s[0]=='+' || s[0]=='*' || s[size-1]=='+' || s[size-1]=='*') flag=0;  //前末不为符号
    ^
0_0_29863369_16338.cpp:21:4: error: expected unqualified-id before 'else'
    else
    ^