/in/foo.cc: In function 'int main()':
/in/foo.cc:8:5: error: 'inti' was not declared in this scope
 for(inti=1;i<=k+1;i++)
     ^~~~
/in/foo.cc:8:12: error: 'i' was not declared in this scope
 for(inti=1;i<=k+1;i++)
            ^