View Compilation Error

0_0_17786612_18623.cpp: In function 'int main()':
0_0_17786612_18623.cpp:4:2: error: '_int64' was not declared in this scope
  _int64 n;
  ^
0_0_17786612_18623.cpp:6:9: error: expected ';' before 'k'
  _int64 k;
         ^
0_0_17786612_18623.cpp:7:9: error: expected ';' before 's'
  _int64 s[10005];
         ^
0_0_17786612_18623.cpp:9:9: error: expected ';' before 'max'
  _int64 max;
         ^
0_0_17786612_18623.cpp:11:3: error: 'k' was not declared in this scope
   k=i;
   ^
0_0_17786612_18623.cpp:14:3: error: 's' was not declared in this scope
   s[i]=k;
   ^
0_0_17786612_18623.cpp:16:23: error: 'n' was not declared in this scope
  while(scanf("%I64d",&n)!=EOF){
                       ^
0_0_17786612_18623.cpp:22:3: error: 'max' was not declared in this scope
   max=0;
   ^
0_0_17786612_18623.cpp:24:12: error: 's' was not declared in this scope
    max=max+s[i];
            ^