View Compilation Error

0_0_36569720_23556.cpp:7:1: error: 'll' does not name a type
 ll a[N];
 ^
0_0_36569720_23556.cpp: In function 'void solve()':
0_0_36569720_23556.cpp:35:28: error: 'a' was not declared in this scope
             scanf("%lld", &a[i]);
                            ^
0_0_36569720_23556.cpp:42:13: error: 'll' was not declared in this scope
             ll d = abs(a[r] - a[l]);
             ^
0_0_36569720_23556.cpp:43:17: error: 'd' was not declared in this scope
             if (d == 0) continue;
                 ^
0_0_36569720_23556.cpp:45:20: error: 'd' was not declared in this scope
             while (d > 1) {
                    ^
0_0_36569720_23556.cpp:50:28: error: 'a' was not declared in this scope
                         st[a[j] % prime[i]]++;
                            ^