View Compilation Error

0_0_30245117_1085.cpp: In function 'int main()':
0_0_30245117_1085.cpp:9:9: error: 'll' was not declared in this scope
         ll n,m,k;
         ^
0_0_30245117_1085.cpp:10:31: error: 'n' was not declared in this scope
         scanf("%lld%lld%lld",&n,&m,&k);
                               ^
0_0_30245117_1085.cpp:10:34: error: 'm' was not declared in this scope
         scanf("%lld%lld%lld",&n,&m,&k);
                                  ^
0_0_30245117_1085.cpp:10:37: error: 'k' was not declared in this scope
         scanf("%lld%lld%lld",&n,&m,&k);
                                     ^
0_0_30245117_1085.cpp:12:16: error: expected ';' before 'ans'
             ll ans=(m+1)*k;
                ^
0_0_30245117_1085.cpp:13:29: error: 'ans' was not declared in this scope
             printf("%lld\n",ans);
                             ^
0_0_30245117_1085.cpp:16:16: error: expected ';' before 'p'
             ll p=m/n;
                ^
0_0_30245117_1085.cpp:17:16: error: expected ';' before 'ans'
             ll ans=(p+1)*k
                ^