foo.cc:3:13: error: stray '\357' in program
 int x[10005]，l,m,sum=0,a,b;
             ^
foo.cc:3:14: error: stray '\274' in program
 int x[10005]，l,m,sum=0,a,b;
              ^
foo.cc:3:15: error: stray '\214' in program
 int x[10005]，l,m,sum=0,a,b;
               ^
foo.cc:3:16: error: expected initializer before 'l'
 int x[10005]，l,m,sum=0,a,b;
                ^
foo.cc: In function 'int main()':
foo.cc:6:10: error: 'l' was not declared in this scope
     cin>>l>>m;
          ^
foo.cc:6:13: error: 'm' was not declared in this scope
     cin>>l>>m;
             ^
foo.cc:6:13: note: suggested alternative: 'tm'
     cin>>l>>m;
             ^
             tm
foo.cc:9:14: error: 'a' was not declared in this scope
         cin>>a>>b;
              ^
foo.cc:9:17: error: 'b' was not declared in this scope
         cin>>a>>b;
                 ^
foo.cc:10:31: error: 'x' was not declared in this scope
         for(int j=a;j<=b;j++) x[j]=1;
                               ^
foo.cc:13:12: error: 'x' was not declared in this scope
         if(x[i]==0) sum++;
            ^
foo.cc:13:21: error: 'sum' was not declared in this scope
         if(x[i]==0) sum++;
                     ^~~
foo.cc:14:11: error: 'sum' was not declared in this scope
     cout<<sum;
           ^~~

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