View Compilation Error

0_0_10704926_32626.cpp: In function `int main()':
0_0_10704926_32626.cpp:6: error: `_int64' undeclared (first use this function)
0_0_10704926_32626.cpp:6: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_10704926_32626.cpp:6: error: expected `;' before "num"
0_0_10704926_32626.cpp:8: error: `num' undeclared (first use this function)
0_0_10704926_32626.cpp:10: error: expected primary-expression at end of input
0_0_10704926_32626.cpp:10: error: expected `;' at end of input
0_0_10704926_32626.cpp:10: error: expected `}' at end of input