View Compilation Error

0_0_32968518_1169.cpp: In function 'int main()':
0_0_32968518_1169.cpp:71:9: error: 'll' was not declared in this scope
         ll ans=0;
         ^
0_0_32968518_1169.cpp:74:13: error: 'ans' was not declared in this scope
             ans+=x[i]+y[i];
             ^
0_0_32968518_1169.cpp:76:23: error: 'ans' was not declared in this scope
         printf("%d\n",ans);
                       ^