View Compilation Error

0_0_7276786_21900.cpp:2: error: `_int64' was not declared in this scope
0_0_7276786_21900.cpp:3: error: expected `,' or `;' before '{' token
0_0_7276786_21900.cpp: In function `int main()':
0_0_7276786_21900.cpp:15: error: `fun' cannot be used as a function