View Compilation Error

38795_0_12847.cpp:2: error: `_int64' does not name a type
38795_0_12847.cpp: In function `int main()':
38795_0_12847.cpp:8: error: `s' undeclared (first use this function)
38795_0_12847.cpp:8: error: (Each undeclared identifier is reported only once for each function it appears in.)