View Compilation Error

0_0_33743412_5273.cpp:6:1: error: 'll' does not name a type
 ll c[maxn][maxn];
 ^
0_0_33743412_5273.cpp:7:1: error: 'll' does not name a type
 ll ans[maxn];
 ^
0_0_33743412_5273.cpp: In function 'void init()':
0_0_33743412_5273.cpp:21:2: error: 'c' was not declared in this scope
  c[0][0]=1;
  ^
0_0_33743412_5273.cpp: In function 'int main()':
0_0_33743412_5273.cpp:49:6: error: 'ans' was not declared in this scope
      ans[i] = ans + ((c[a[j]][k] * c[n-a[j]][i-k]) % mod * (1<<j)) % mod;
      ^
0_0_33743412_5273.cpp:49:23: error: 'c' was not declared in this scope
      ans[i] = ans + ((c[a[j]][k] * c[n-a[j]][i-k]) % mod * (1<<j)) % mod;
                       ^
0_0_33743412_5273.cpp:50:9: error: 'ans' was not declared in this scope
     }   ans[i] %= mod;
         ^
0_0_33743412_5273.cpp:55:21: error: 'ans' was not declared in this scope
    printf("%lld%c", ans[i], " \n"[i==n]);
                     ^