foo.cc: In function 'int main()':
foo.cc:5:10: error: expected initializer before '+' token
     int n+1,x,c;
          ^
foo.cc:6:10: error: 'n' was not declared in this scope
     cin>>n>>x>>c;
          ^
foo.cc:6:13: error: 'x' was not declared in this scope
     cin>>n>>x>>c;
             ^
foo.cc:6:16: error: 'c' was not declared in this scope
     cin>>n>>x>>c;
                ^