View Compilation Error

765262_0_0_30667.cpp:5: error: `_int64' does not name a type
765262_0_0_30667.cpp: In function `void Initial()':
765262_0_0_30667.cpp:14: error: `a' undeclared (first use this function)
765262_0_0_30667.cpp:14: error: (Each undeclared identifier is reported only once for each function it appears in.)
765262_0_0_30667.cpp: In function `long int Process()':
765262_0_0_30667.cpp:22: error: `_int64' undeclared (first use this function)
765262_0_0_30667.cpp:22: error: expected `;' before "max"
765262_0_0_30667.cpp:25: error: `a' undeclared (first use this function)
765262_0_0_30667.cpp: In function `void Show(int, long int)':
765262_0_0_30667.cpp:48: error: `a' undeclared (first use this function)