View Compilation Error

0_0_23762829_31579.cpp: In function 'int main()':
0_0_23762829_31579.cpp:5:2: error: '_int64' was not declared in this scope
  _int64 c,j;
  ^
0_0_23762829_31579.cpp:8:3: error: 'c' was not declared in this scope
   c = 0;
   ^
0_0_23762829_31579.cpp:9:3: error: 'j' was not declared in this scope
   j = 1;
   ^