View Compilation Error

0_0_31503333_29936.cpp:7:1: error: expected initializer before 'll'
 ll sum[maxn],ji[maxn];
 ^
0_0_31503333_29936.cpp: In function 'int main()':
0_0_31503333_29936.cpp:18:5: error: 'sum' was not declared in this scope
     sum[0]=sum[1]=0;
     ^
0_0_31503333_29936.cpp:19:5: error: 'ji' was not declared in this scope
     ji[0]=ji[1]=1;
     ^
0_0_31503333_29936.cpp:20:5: error: 'cnt' was not declared in this scope
     cnt=0;
     ^