View Compilation Error

0_0_33222415_28411.cpp: In function 'int main()':
0_0_33222415_28411.cpp:4:7: error: '_int64' was not declared in this scope
       _int64 s[40];
       ^
0_0_33222415_28411.cpp:6:11: error: 's' was not declared in this scope
           s[1] = 2;
           ^