View Compilation Error

0_0_33376483_5918.cpp: In function 'int main()':
0_0_33376483_5918.cpp:5:7: error: '_int64' was not declared in this scope
       _int64 s[40];
       ^
0_0_33376483_5918.cpp:7:10: error: 's' was not declared in this scope
          s[1] = 2;
          ^