/in/foo.cc: In function 'int main()':
/in/foo.cc:45:7: error: 'isdsdsnt' was not declared in this scope
   for(isdsdsnt i=1;i<=n;++i){
       ^~~~~~~~
/in/foo.cc:45:20: error: 'i' was not declared in this scope
   for(isdsdsnt i=1;i<=n;++i){
                    ^