/in/foo.cc: In function 'int main()':
/in/foo.cc:28:3: error: expected ';' before 'for'
   for(int j=i+1;j<=min(n,i+T);++j) ans=min(ans,calc(i,j));
   ^~~
/in/foo.cc:28:17: error: 'j' was not declared in this scope
   for(int j=i+1;j<=min(n,i+T);++j) ans=min(ans,calc(i,j));
                 ^