User:JK19

#include<iostream>
using namespace std;
int main()
{
 cout<<"hello, world!"<<endl;
 return 0;
}

#include<cstdio>
int main()
{
 std::printf("hello, world!");
}

import<cstdio>;int main(){std.printf("hello, world!");}

main(){__builtin_puts("hello, world!");}