/in/foo.cc:6:10: error: stray '\357' in program
     int i；
          ^
/in/foo.cc:6:11: error: stray '\274' in program
     int i；
           ^
/in/foo.cc:6:12: error: stray '\233' in program
     int i；
            ^
/in/foo.cc: In function 'int main()':
/in/foo.cc:7:5: error: expected initializer before 'cin'
     cin>>n>>m;
     ^~~
/in/foo.cc:8:9: error: 'i' was not declared in this scope
     for(i=0;i<n;i++)cin>>a[i]>>s[i];
         ^