include include include

void removeDuplicates(std::vector& arr) {
std::unordered_map<int, bool> seen;

for (int i = 0; i < arr.size(); i++) {
if $seen[arr[i]]$ {
arr$$i$$ = 0;
} else {
seen$$arr[i]$$ = true;
}
}

}

int main {
int N;
std::cout << "Enter the size of the array: ";
std::cin >> N;

std::vector<int> arr$N$;
std::cout << "Enter the elements of the array: ";
for (int i = 0; i < N; i++) {
std::cin >> arr$$i$$;
}
removeDuplicates$arr$;
std::cout << "Resulting array after removing duplicates: ";
for $intnum:arr$ {
std::cout << num << " ";
}
return 0;

}