View Compilation Error

0_0_21469610_12190.cpp: In function 'int main()':
0_0_21469610_12190.cpp:71:12: error: 'minn' was not declared in this scope
            minn=min(dis[D[j]],minn);
            ^
0_0_21469610_12190.cpp:73:23: error: 'ans' was not declared in this scope
         printf("%d\n",ans);
                       ^