View Compilation Error

0_0_31934187_1469.cpp:7:9: error: '_int128' does not name a type
 typedef _int128 ll;  
         ^
0_0_31934187_1469.cpp:8:1: error: 'll' does not name a type
 ll j,k,l,n;
 ^
0_0_31934187_1469.cpp:9:1: error: 'll' does not name a type
 ll sum(ll n)
 ^
0_0_31934187_1469.cpp: In function 'int main()':
0_0_31934187_1469.cpp:30:30: error: 'k' was not declared in this scope
   scanf("%lld %lld %lld",&n,&k,&l);
                              ^
0_0_31934187_1469.cpp:30:33: error: 'l' was not declared in this scope
   scanf("%lld %lld %lld",&n,&k,&l);
                                 ^
0_0_31934187_1469.cpp:31:24: error: 'sum' was not declared in this scope
   printf("%lld\n",sum(n)%N);
                        ^