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Listed below are example programs that print "hello world", written in the following languages:
[ C | C++ | Haskell | Lua | PHP | Perl | Python | Ruby | Scheme ]

C:
pasted yesterday: 
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#include<stdio.h>
int main()
{
printf("Hello World!");
return 0;
}
view (6 lines, 1 line of output)
pasted yesterday: 
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#include <stdio.h>
int main (void) {
  printf("Hello world!");
return 0;
}
view (5 lines, 1 line of output)


C++:
pasted 3 hours ago: 
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#include <iostream>
 
int main() {
    std::cout << "Hello, world!\n";
    return 0;
}
view (6 lines, 1 line of output)
pasted 3 hours ago: 
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#include <iostream>
 
int main() {
    std::cout << "Hello, world!\n";
    return 0;
}
view (6 lines, 1 line of output)


Haskell:
pasted on Dec 3: 
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main = putStrLn "Hello World"
view (1 line, 1 line of output)
pasted on Dec 1: 
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main = putStrLn "Hello World"
view (1 line, 1 line of output)


Lua:
pasted on Jan 31: 
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string = 'teste'

print ("hello world")
view (3 lines, 1 line of output)
pasted on Jan 28: 
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string = 'teste'

print ("hello world")
view (3 lines, 1 line of output)


PHP:
pasted yesterday: 
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<?php
echo "Hello World";
?>
view (3 lines, 1 line of output)
pasted on Jan 30: 
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<?php
echo"Hello world";
?>
view (3 lines, 1 line of output)


Perl:
pasted on Jan 14: 
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print "hello world";
view (1 line, 1 line of output)
pasted on Jan 10: 
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print "hello, world\n"
view (1 line, 1 line of output)


Python:
pasted yesterday: 
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print "Hello World"
view (1 line, 1 line of output)
pasted yesterday: 
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print("HELLO WOrld")
view (1 line, 1 line of output)


Ruby:
pasted on Jan 9: 
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print "Hello World"
view (1 line, 1 line of output)
pasted on Jan 9: 
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print "Hello World"
view (1 line, 1 line of output)


Scheme:
pasted on Jan 27: 
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(display "Hello, World!")
view (1 line, 1 line of output)
pasted on Jan 21: 
1

(display "Hello, World!")
view (1 line, 1 line of output)