View Compilation Error

0_0_2603845_31896.cpp:10: error: `int64' does not name a type
0_0_2603845_31896.cpp: In function `int main()':
0_0_2603845_31896.cpp:25: error: `LL' undeclared (first use this function)
0_0_2603845_31896.cpp:25: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_2603845_31896.cpp:25: error: expected `;' before "ans"
0_0_2603845_31896.cpp:27: error: `ans' undeclared (first use this function)