View Compilation Error

0_0_30239562_29681.cpp:8:1: error: 'll' does not name a type
 ll r[maxn],s[maxn],x[maxn],a[maxn];
 ^
0_0_30239562_29681.cpp: In function 'int main()':
0_0_30239562_29681.cpp:39:39: error: 'r' was not declared in this scope
             scanf("%lld%lld%lld%lld",&r[i],&s[i],&x[i],&a[i]);
                                       ^
0_0_30239562_29681.cpp:39:45: error: 's' was not declared in this scope
             scanf("%lld%lld%lld%lld",&r[i],&s[i],&x[i],&a[i]);
                                             ^
0_0_30239562_29681.cpp:39:51: error: 'x' was not declared in this scope
             scanf("%lld%lld%lld%lld",&r[i],&s[i],&x[i],&a[i]);
                                                   ^
0_0_30239562_29681.cpp:39:57: error: 'a' was not declared in this scope
             scanf("%lld%lld%lld%lld",&r[i],&s[i],&x[i],&a[i]);
                                                         ^