/in/foo.cc:9:1: error: stray '\302' in program
     int from,to,cap,rev;
 ^
/in/foo.cc:9:2: error: stray '\240' in program
     int from,to,cap,rev;
  ^
/in/foo.cc:9:3: error: stray '\302' in program
     int from,to,cap,rev;
   ^
/in/foo.cc:9:4: error: stray '\240' in program
     int from,to,cap,rev;
    ^
/in/foo.cc:9:5: error: stray '\302' in program
     int from,to,cap,rev;
     ^
/in/foo.cc:9:6: error: stray '\240' in program
     int from,to,cap,rev;
      ^
/in/foo.cc:9:7: error: stray '\302' in program
     int from,to,cap,rev;
       ^
/in/foo.cc:9:8: error: stray '\240' in program
     int from,to,cap,rev;
        ^
/in/foo.cc:16:1: error: stray '\302' in program
     G[from].push_back((edge){from,to,flow,G[to].size()});
 ^
/in/foo.cc:16:2: error: stray '\240' in program
     G[from].push_back((edge){from,to,flow,G[to].size()});
  ^
/in/foo.cc:16:3: error: stray '\302' in program
     G[from].push_back((edge){from,to,flow,G[to].size()});
   ^
/in/foo.cc:16:4: error: stray '\240' in program
     G[from].push_back((edge){from,to,flow,G[to].size()});
    ^
/in/foo.cc:16:5: error: stray '\302' in program
     G[from].push_back((edge){from,to,flow,G[to].size()});
     ^
/in/foo.cc:16:6: error: stray '\240' in program
     G[from].push_back((edge){from,to,flow,G[to].size()});
      ^
/in/foo.cc:16:7: error: stray '\302' in program
     G[from].push_back((edge){from,to,flow,G[to].size()});
       ^
/in/foo.cc:16:8: error: stray '\240' in program
     G[from].push_back((edge){from,to,flow,G[to].size()});
        ^
/in/foo.cc:17:1: error: stray '\302' in program
     G[to].push_back((edge){to,from,0,G[from].size()-1});
 ^
/in/foo.cc:17:2: error: stray '\240' in program
     G[to].push_back((edge){to,from,0,G[from].size()-1});
  ^
/in/foo.cc:17:3: error: stray '\302' in program
     G[to].push_back((edge){to,from,0,G[from].size()-1});
   ^
/in/foo.cc:17:4: error: stray '\240' in program
     G[to].push_back((edge){to,from,0,G[from].size()-1});
    ^
/in/foo.cc:17:5: error: stray '\302' in program
     G[to].push_back((edge){to,from,0,G[from].size()-1});
     ^
/in/foo.cc:17:6: error: stray '\240' in program
     G[to].push_back((edge){to,from,0,G[from].size()-1});
      ^
/in/foo.cc:17:7: error: stray '\302' in program
     G[to].push_back((edge){to,from,0,G[from].size()-1});
       ^
/in/foo.cc:17:8: error: stray '\240' in program
     G[to].push_back((edge){to,from,0,G[from].size()-1});
        ^
/in/foo.cc:20:1: error: stray '\302' in program
     memset(level,-1,sizeof level);
 ^
/in/foo.cc:20:2: error: stray '\240' in program
     memset(level,-1,sizeof level);
  ^
/in/foo.cc:20:3: error: stray '\302' in program
     memset(level,-1,sizeof level);
   ^
/in/foo.cc:20:4: error: stray '\240' in program
     memset(level,-1,sizeof level);
    ^
/in/foo.cc:20:5: error: stray '\302' in program
     memset(level,-1,sizeof level);
     ^
/in/foo.cc:20:6: error: stray '\240' in program
     memset(level,-1,sizeof level);
      ^
/in/foo.cc:20:7: error: stray '\302' in program
     memset(level,-1,sizeof level);
       ^
/in/foo.cc:20:8: error: stray '\240' in program
     memset(level,-1,sizeof level);
        ^
/in/foo.cc:21:1: error: stray '\302' in program
     level[s]=0;
 ^
/in/foo.cc:21:2: error: stray '\240' in program
     level[s]=0;
  ^
/in/foo.cc:21:3: error: stray '\302' in program
     level[s]=0;
   ^
/in/foo.cc:21:4: error: stray '\240' in program
     level[s]=0;
    ^
/in/foo.cc:21:5: error: stray '\302' in program
     level[s]=0;
     ^
/in/foo.cc:21:6: error: stray '\240' in program
     level[s]=0;
      ^
/in/foo.cc:21:7: error: stray '\302' in program
     level[s]=0;
       ^
/in/foo.cc:21:8: error: stray '\240' in program
     level[s]=0;
        ^
/in/foo.cc:22:1: error: stray '\302' in program
     q.push(s);
 ^
/in/foo.cc:22:2: error: stray '\240' in program
     q.push(s);
  ^
/in/foo.cc:22:3: error: stray '\302' in program
     q.push(s);
   ^
/in/foo.cc:22:4: error: stray '\240' in program
     q.push(s);
    ^
/in/foo.cc:22:5: error: stray '\302' in program
     q.push(s);
     ^
/in/foo.cc:22:6: error: stray '\240' in program
     q.push(s);
      ^
/in/foo.cc:22:7: error: stray '\302' in program
     q.push(s);
       ^
/in/foo.cc:22:8: error: stray '\240' in program
     q.push(s);
        ^
/in/foo.cc:23:1: error: stray '\302' in program
     while(!q.empty()){
 ^
/in/foo.cc:23:2: error: stray '\240' in program
     while(!q.empty()){
  ^
/in/foo.cc:23:3: error: stray '\302' in program
     while(!q.empty()){
   ^
/in/foo.cc:23:4: error: stray '\240' in program
     while(!q.empty()){
    ^
/in/foo.cc:23:5: error: stray '\302' in program
     while(!q.empty()){
     ^
/in/foo.cc:23:6: error: stray '\240' in program
     while(!q.empty()){
      ^
/in/foo.cc:23:7: error: stray '\302' in program
     while(!q.empty()){
       ^
/in/foo.cc:23:8: error: stray '\240' in program
     while(!q.empty()){
        ^
/in/foo.cc:24:1: error: stray '\302' in program
         int u=q.front();
 ^
/in/foo.cc:24:2: error: stray '\240' in program
         int u=q.front();
  ^
/in/foo.cc:24:3: error: stray '\302' in program
         int u=q.front();
   ^
/in/foo.cc:24:4: error: stray '\240' in program
         int u=q.front();
    ^
/in/foo.cc:24:5: error: stray '\302' in program
         int u=q.front();
     ^
/in/foo.cc:24:6: error: stray '\240' in program
         int u=q.front();
      ^
/in/foo.cc:24:7: error: stray '\302' in program
         int u=q.front();
       ^
/in/foo.cc:24:8: error: stray '\240' in program
         int u=q.front();
        ^
/in/foo.cc:24:9: error: stray '\302' in program
         int u=q.front();
         ^
/in/foo.cc:24:10: error: stray '\240' in program
         int u=q.front();
          ^
/in/foo.cc:24:11: error: stray '\302' in program
         int u=q.front();
           ^
/in/foo.cc:24:12: error: stray '\240' in program
         int u=q.front();
            ^
/in/foo.cc:24:13: error: stray '\302' in program
         int u=q.front();
             ^
/in/foo.cc:24:14: error: stray '\240' in program
         int u=q.front();
              ^
/in/foo.cc:24:15: error: stray '\302' in program
         int u=q.front();
               ^
/in/foo.cc:24:16: error: stray '\240' in program
         int u=q.front();
                ^
/in/foo.cc:25:1: error: stray '\302' in program
         q.pop();
 ^
/in/foo.cc:25:2: error: stray '\240' in program
         q.pop();
  ^
/in/foo.cc:25:3: error: stray '\302' in program
         q.pop();
   ^
/in/foo.cc:25:4: error: stray '\240' in program
         q.pop();
    ^
/in/foo.cc:25:5: error: stray '\302' in program
         q.pop();
     ^
/in/foo.cc:25:6: error: stray '\240' in program
         q.pop();
      ^
/in/foo.cc:25:7: error: stray '\302' in program
         q.pop();
       ^
/in/foo.cc:25:8: error: stray '\240' in program
         q.pop();
        ^
/in/foo.cc:25:9: error: stray '\302' in program
         q.pop();
         ^
/in/foo.cc:25:10: error: stray '\240' in program
         q.pop();
          ^
/in/foo.cc:25:11: error: stray '\302' in program
         q.pop();
           ^
/in/foo.cc:25:12: error: stray '\240' in program
         q.pop();
            ^
/in/foo.cc:25:13: error: stray '\302' in program
         q.pop();
             ^
/in/foo.cc:25:14: error: stray '\240' in program
         q.pop();
              ^
/in/foo.cc:25:15: error: stray '\302' in program
         q.pop();
               ^
/in/foo.cc:25:16: error: stray '\240' in program
         q.pop();
                ^
/in/foo.cc:26:1: error: stray '\302' in program
         for(int i=0;i<G[u].size();++i){
 ^
/