/in/foo.cc:9:1: error: stray '\302' in program
     long long k=1;
 ^
/in/foo.cc:9:2: error: stray '\240' in program
     long long k=1;
  ^
/in/foo.cc:9:3: error: stray '\302' in program
     long long k=1;
   ^
/in/foo.cc:9:4: error: stray '\240' in program
     long long k=1;
    ^
/in/foo.cc:9:5: error: stray '\302' in program
     long long k=1;
     ^
/in/foo.cc:9:6: error: stray '\240' in program
     long long k=1;
      ^
/in/foo.cc:9:7: error: stray '\302' in program
     long long k=1;
       ^
/in/foo.cc:9:8: error: stray '\240' in program
     long long k=1;
        ^
/in/foo.cc:10:1: error: stray '\302' in program
     for(int i=0;i<b;i++)
 ^
/in/foo.cc:10:2: error: stray '\240' in program
     for(int i=0;i<b;i++)
  ^
/in/foo.cc:10:3: error: stray '\302' in program
     for(int i=0;i<b;i++)
   ^
/in/foo.cc:10:4: error: stray '\240' in program
     for(int i=0;i<b;i++)
    ^
/in/foo.cc:10:5: error: stray '\302' in program
     for(int i=0;i<b;i++)
     ^
/in/foo.cc:10:6: error: stray '\240' in program
     for(int i=0;i<b;i++)
      ^
/in/foo.cc:10:7: error: stray '\302' in program
     for(int i=0;i<b;i++)
       ^
/in/foo.cc:10:8: error: stray '\240' in program
     for(int i=0;i<b;i++)
        ^
/in/foo.cc:11:1: error: stray '\302' in program
         k*=a;
 ^
/in/foo.cc:11:2: error: stray '\240' in program
         k*=a;
  ^
/in/foo.cc:11:3: error: stray '\302' in program
         k*=a;
   ^
/in/foo.cc:11:4: error: stray '\240' in program
         k*=a;
    ^
/in/foo.cc:11:5: error: stray '\302' in program
         k*=a;
     ^
/in/foo.cc:11:6: error: stray '\240' in program
         k*=a;
      ^
/in/foo.cc:11:7: error: stray '\302' in program
         k*=a;
       ^
/in/foo.cc:11:8: error: stray '\240' in program
         k*=a;
        ^
/in/foo.cc:11:9: error: stray '\302' in program
         k*=a;
         ^
/in/foo.cc:11:10: error: stray '\240' in program
         k*=a;
          ^
/in/foo.cc:11:11: error: stray '\302' in program
         k*=a;
           ^
/in/foo.cc:11:12: error: stray '\240' in program
         k*=a;
            ^
/in/foo.cc:11:13: error: stray '\302' in program
         k*=a;
             ^
/in/foo.cc:11:14: error: stray '\240' in program
         k*=a;
              ^
/in/foo.cc:11:15: error: stray '\302' in program
         k*=a;
               ^
/in/foo.cc:11:16: error: stray '\240' in program
         k*=a;
                ^
/in/foo.cc:12:1: error: stray '\302' in program
     return k;
 ^
/in/foo.cc:12:2: error: stray '\240' in program
     return k;
  ^
/in/foo.cc:12:3: error: stray '\302' in program
     return k;
   ^
/in/foo.cc:12:4: error: stray '\240' in program
     return k;
    ^
/in/foo.cc:12:5: error: stray '\302' in program
     return k;
     ^
/in/foo.cc:12:6: error: stray '\240' in program
     return k;
      ^
/in/foo.cc:12:7: error: stray '\302' in program
     return k;
       ^
/in/foo.cc:12:8: error: stray '\240' in program
     return k;
        ^
/in/foo.cc:16:1: error: stray '\302' in program
     if(op==0) num[p-1]=num[p-1]+num[p];
 ^
/in/foo.cc:16:2: error: stray '\240' in program
     if(op==0) num[p-1]=num[p-1]+num[p];
  ^
/in/foo.cc:16:3: error: stray '\302' in program
     if(op==0) num[p-1]=num[p-1]+num[p];
   ^
/in/foo.cc:16:4: error: stray '\240' in program
     if(op==0) num[p-1]=num[p-1]+num[p];
    ^
/in/foo.cc:16:5: error: stray '\302' in program
     if(op==0) num[p-1]=num[p-1]+num[p];
     ^
/in/foo.cc:16:6: error: stray '\240' in program
     if(op==0) num[p-1]=num[p-1]+num[p];
      ^
/in/foo.cc:16:7: error: stray '\302' in program
     if(op==0) num[p-1]=num[p-1]+num[p];
       ^
/in/foo.cc:16:8: error: stray '\240' in program
     if(op==0) num[p-1]=num[p-1]+num[p];
        ^
/in/foo.cc:17:1: error: stray '\302' in program
     if(op==1) num[p-1]=num[p-1]-num[p];
 ^
/in/foo.cc:17:2: error: stray '\240' in program
     if(op==1) num[p-1]=num[p-1]-num[p];
  ^
/in/foo.cc:17:3: error: stray '\302' in program
     if(op==1) num[p-1]=num[p-1]-num[p];
   ^
/in/foo.cc:17:4: error: stray '\240' in program
     if(op==1) num[p-1]=num[p-1]-num[p];
    ^
/in/foo.cc:17:5: error: stray '\302' in program
     if(op==1) num[p-1]=num[p-1]-num[p];
     ^
/in/foo.cc:17:6: error: stray '\240' in program
     if(op==1) num[p-1]=num[p-1]-num[p];
      ^
/in/foo.cc:17:7: error: stray '\302' in program
     if(op==1) num[p-1]=num[p-1]-num[p];
       ^
/in/foo.cc:17:8: error: stray '\240' in program
     if(op==1) num[p-1]=num[p-1]-num[p];
        ^
/in/foo.cc:18:1: error: stray '\302' in program
     if(op==2) num[p-1]=num[p-1]*num[p];
 ^
/in/foo.cc:18:2: error: stray '\240' in program
     if(op==2) num[p-1]=num[p-1]*num[p];
  ^
/in/foo.cc:18:3: error: stray '\302' in program
     if(op==2) num[p-1]=num[p-1]*num[p];
   ^
/in/foo.cc:18:4: error: stray '\240' in program
     if(op==2) num[p-1]=num[p-1]*num[p];
    ^
/in/foo.cc:18:5: error: stray '\302' in program
     if(op==2) num[p-1]=num[p-1]*num[p];
     ^
/in/foo.cc:18:6: error: stray '\240' in program
     if(op==2) num[p-1]=num[p-1]*num[p];
      ^
/in/foo.cc:18:7: error: stray '\302' in program
     if(op==2) num[p-1]=num[p-1]*num[p];
       ^
/in/foo.cc:18:8: error: stray '\240' in program
     if(op==2) num[p-1]=num[p-1]*num[p];
        ^
/in/foo.cc:19:1: error: stray '\302' in program
     if(op==5) num[p-1]=power( num[p-1],num[p] );
 ^
/in/foo.cc:19:2: error: stray '\240' in program
     if(op==5) num[p-1]=power( num[p-1],num[p] );
  ^
/in/foo.cc:19:3: error: stray '\302' in program
     if(op==5) num[p-1]=power( num[p-1],num[p] );
   ^
/in/foo.cc:19:4: error: stray '\240' in program
     if(op==5) num[p-1]=power( num[p-1],num[p] );
    ^
/in/foo.cc:19:5: error: stray '\302' in program
     if(op==5) num[p-1]=power( num[p-1],num[p] );
     ^
/in/foo.cc:19:6: error: stray '\240' in program
     if(op==5) num[p-1]=power( num[p-1],num[p] );
      ^
/in/foo.cc:19:7: error: stray '\302' in program
     if(op==5) num[p-1]=power( num[p-1],num[p] );
       ^
/in/foo.cc:19:8: error: stray '\240' in program
     if(op==5) num[p-1]=power( num[p-1],num[p] );
        ^
/in/foo.cc:23:1: error: stray '\302' in program
     int op_nxt,//下一个操作符
 ^
/in/foo.cc:23:2: error: stray '\240' in program
     int op_nxt,//下一个操作符
  ^
/in/foo.cc:23:3: error: stray '\302' in program
     int op_nxt,//下一个操作符
   ^
/in/foo.cc:23:4: error: stray '\240' in program
     int op_nxt,//下一个操作符
    ^
/in/foo.cc:23:5: error: stray '\302' in program
     int op_nxt,//下一个操作符
     ^
/in/foo.cc:23:6: error: stray '\240' in program
     int op_nxt,//下一个操作符
      ^
/in/foo.cc:23:7: error: stray '\302' in program
     int op_nxt,//下一个操作符
       ^
/in/foo.cc:23:8: error: stray '\240' in program
     int op_nxt,//下一个操作符
        ^
/in/foo.cc:24:1: error: stray '\302' in program
         len=str.length(),
 ^
/in/foo.cc:24:2: error: stray '\240' in program
         len=str.length(),
  ^
/in/foo.cc:24:3: error: stray '\302' in program
         len=str.length(),
   ^
/in/foo.cc:24:4: error: stray '\240' in program
         len=str.length(),
    ^
/in/foo.cc:24:5: error: stray '\302' in program
         len=str.length(),
     ^
/in/foo.cc:24:6: error: stray '\240' in program
         len=str.length(),
      ^
/in/foo.cc:24:7: error: stray '\302' in program
         len=str.length(),
       ^
/in/foo.cc:24:8: error: stray '\240' in program
         len=str.length(),
        ^
/in/foo.cc:24:9: error: stray '\302' in program
         len=str.length(),
         ^
/in/foo.cc:24:10: error: stray '\240' in program
         len=str.leng