View Compilation Error

0_0_28467067_20877.cpp:2:11: error: '::main' must return 'int'
 void main(){
           ^
0_0_28467067_20877.cpp: In function 'int main()':
0_0_28467067_20877.cpp:3:5: error: '__int64s' was not declared in this scope
     __int64s[51];
     ^
0_0_28467067_20877.cpp:4:1: error: 's' was not declared in this scope
 s[0]=0;
 ^