View Compilation Error

80747_0_8366.cpp:3: error: `int64' does not name a type
80747_0_8366.cpp: In function `int main()':
80747_0_8366.cpp:6: error: `int64' undeclared (first use this function)
80747_0_8366.cpp:6: error: (Each undeclared identifier is reported only once for each function it appears in.)
80747_0_8366.cpp:6: error: expected `;' before "sum"
80747_0_8366.cpp:10: error: `b' undeclared (first use this function)
80747_0_8366.cpp:10: error: `c' undeclared (first use this function)
80747_0_8366.cpp:12: error: `a' undeclared (first use this function)
80747_0_8366.cpp:16: error: `max' undeclared (first use this function)
80747_0_8366.cpp:24: error: `sum' undeclared (first use this function)
80747_0_8366.cpp:24: error: integer constant is too large for "long" type