View Compilation Error

0_0_16749595_16294.cpp: In function 'int main()':
0_0_16749595_16294.cpp:13:5: error: '_int64' was not declared in this scope
     _int64 ll[110001],lr[110001];//左右方向路径
     ^
0_0_16749595_16294.cpp:16:12: error: expected ';' before 'total'
     _int64 total;
            ^
0_0_16749595_16294.cpp:24:15: error: 'll' was not declared in this scope
        memset(ll,0,sizeof(ll));
               ^
0_0_16749595_16294.cpp:25:15: error: 'lr' was not declared in this scope
        memset(lr,0,sizeof(lr));
               ^
0_0_16749595_16294.cpp:46:8: error: 'total' was not declared in this scope
        total=(ll[llong]+lr[rlong])*2;
        ^