View Compilation Error

0_0_31838576_26519.cpp: In function 'int main()':
0_0_31838576_26519.cpp:5:2: error: 'int64' was not declared in this scope
  int64 num[1000],t;
  ^
0_0_31838576_26519.cpp:6:2: error: '__int' was not declared in this scope
  __int i,j,k;
  ^
0_0_31838576_26519.cpp:10:7: error: 'num' was not declared in this scope
   for(num[0]=j=i=0;i<strlen(str);i++)
       ^
0_0_31838576_26519.cpp:10:14: error: 'j' was not declared in this scope
   for(num[0]=j=i=0;i<strlen(str);i++)
              ^
0_0_31838576_26519.cpp:10:16: error: 'i' was not declared in this scope
   for(num[0]=j=i=0;i<strlen(str);i++)
                ^
0_0_31838576_26519.cpp:19:8: error: 'k' was not declared in this scope
    for(k=0;k<j-1-i;k++)
        ^
0_0_31838576_26519.cpp:21:6: error: 't' was not declared in this scope
      t=num[k];
      ^
0_0_31838576_26519.cpp:29:1: error: expected '}' at end of input
 }
 ^