View Compilation Error

0_0_20673948_20010.cpp: In function 'int main()':
0_0_20673948_20010.cpp:5:4: error: '_int32' was not declared in this scope
    _int32 n,sum,cnt;
    ^
0_0_20673948_20010.cpp:6:11: error: expected ';' before 'i'
    _int32 i;
           ^
0_0_20673948_20010.cpp:7:10: error: 'n' was not declared in this scope
    while(n--){
          ^
0_0_20673948_20010.cpp:8:14: error: 'cnt' was not declared in this scope
       cin >> cnt;
              ^
0_0_20673948_20010.cpp:9:7: error: 'sum' was not declared in this scope
       sum=0;
       ^
0_0_20673948_20010.cpp:10:11: error: 'i' was not declared in this scope
       for(i=1;i<=cnt;i++){
           ^