View Compilation Error

24693_0_32083.cpp: In function `int main()':
24693_0_32083.cpp:11: error: `longlong' undeclared (first use this function)
24693_0_32083.cpp:11: error: (Each undeclared identifier is reported only once for each function it appears in.)
24693_0_32083.cpp:11: error: expected `;' before "a"
24693_0_32083.cpp:15: error: `a' undeclared (first use this function)
24693_0_32083.cpp:15: error: `b' undeclared (first use this function)
tion)