View Compilation Error

0_0_8061011_9583.cpp:10: error: `_int64' does not name a type
0_0_8061011_9583.cpp:11: error: `ll' does not name a type
0_0_8061011_9583.cpp:12: error: `ll' does not name a type
0_0_8061011_9583.cpp:16: error: `ll' does not name a type
0_0_8061011_9583.cpp:32: error: `ll' does not name a type
0_0_8061011_9583.cpp: In function `void init()':
0_0_8061011_9583.cpp:42: error: `f' undeclared (first use this function)
0_0_8061011_9583.cpp:42: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_8061011_9583.cpp: In function `int main()':
0_0_8061011_9583.cpp:50: error: `n' undeclared (first use this function)
0_0_8061011_9583.cpp:51: error: `cal' undeclared (first use this function)