View Compilation Error

0_0_30381459_16672.cpp: In function 'int main()':
0_0_30381459_16672.cpp:10:3: error: 'll' was not declared in this scope
   ll n,m,k;
   ^
0_0_30381459_16672.cpp:12:52: error: expected ')' before 'ceil'
   printf("%lld",1ll * (1ll * m + 1 + 1ll * (k - 1) ceil((m + 1)/(n - k + 1))));
                                                    ^
0_0_30381459_16672.cpp:12:79: error: expected ')' before ';' token
   printf("%lld",1ll * (1ll * m + 1 + 1ll * (k - 1) ceil((m + 1)/(n - k + 1))));
                                                                               ^