View Compilation Error

0_0_6398990_23201.cpp:2: error: `_int64' does not name a type
0_0_6398990_23201.cpp: In function `int main()':
0_0_6398990_23201.cpp:31: error: incompatible types in assignment of `long long int' to `long long int[26]'
0_0_6398990_23201.cpp:38: error: `f' undeclared (first use this function)
0_0_6398990_23201.cpp:38: error: (Each undeclared identifier is reported only once for each function it appears in.)