View Compilation Error

0_0_35607830_28491.cpp: In function 'int main()':
0_0_35607830_28491.cpp:6:2: error: '_int64' was not declared in this scope
  _int64 c[36][36];
  ^
0_0_35607830_28491.cpp:12:5: error: 'c' was not declared in this scope
     c[i][j] = 1;
     ^
0_0_35607830_28491.cpp:14:5: error: 'c' was not declared in this scope
     c[i][j] = c[i][j - 1];
     ^
0_0_35607830_28491.cpp:16:5: error: 'c' was not declared in this scope
     c[i][j] = c[i - 1][j];
     ^
0_0_35607830_28491.cpp:18:5: error: 'c' was not declared in this scope
     c[i][j] = c[i - 1][j] + c[i][j - 1];
     ^
0_0_35607830_28491.cpp:25:45: error: 'c' was not declared in this scope
   cout << count++ << " " << n << " " << 2 * c[n][n] << endl;
                                             ^