View Compilation Error

0_0_5120696_22948.cpp: In function `int main()':
0_0_5120696_22948.cpp:4: error: `_int64' undeclared (first use this function)
0_0_5120696_22948.cpp:4: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_5120696_22948.cpp:4: error: expected `;' before "high"
0_0_5120696_22948.cpp:6: error: `high' undeclared (first use this function)
0_0_5120696_22948.cpp:6: error: `low' undeclared (first use this function)
0_0_5120696_22948.cpp:8: error: `t' undeclared (first use this function)