View Compilation Error

968997_0_0_27991.cpp: In function `int main()':
968997_0_0_27991.cpp:5: error: `_int64' undeclared (first use this function)
968997_0_0_27991.cpp:5: error: (Each undeclared identifier is reported only once for each function it appears in.)
968997_0_0_27991.cpp:5: error: expected `;' before "d"
968997_0_0_27991.cpp:6: error: expected `;' before "n"
968997_0_0_27991.cpp:7: error: `n' undeclared (first use this function)
968997_0_0_27991.cpp:8: error: `d' undeclared (first use this function)
968997_0_0_27991.cpp:10: error: `i' undeclared (first use this function)