View Compilation Error

0_0_31531096_29114.cpp: In function 'int main()':
0_0_31531096_29114.cpp:36:9: error: 'res' was not declared in this scope
         res[i]=ans;
         ^
0_0_31531096_29114.cpp:41:23: error: 'res' was not declared in this scope
         printf("%d\n",res[n]);
                       ^