View Compilation Error

0_0_27616245_4317.cpp: In function 'int main()':
0_0_27616245_4317.cpp:5:5: error: 'int64' was not declared in this scope
     int64 s[40];
     ^
0_0_27616245_4317.cpp:6:5: error: 's' was not declared in this scope
     s[1]=2;
     ^