View Compilation Error

228679_0_20383.cpp: In function `int main()':
228679_0_20383.cpp:4: error: `int64' undeclared (first use this function)
228679_0_20383.cpp:4: error: (Each undeclared identifier is reported only once for each function it appears in.)
228679_0_20383.cpp:4: error: expected `;' before "n"
228679_0_20383.cpp:6: error: `n' undeclared (first use this function)
228679_0_20383.cpp:11: error: `i' undeclared (first use this function)