檢測你處於程序員的哪個層級
檢測你處於程序員的哪個層級
高中時期
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10 PRINT "HELLO WORLD"
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20 END
大學新生
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program Hello(input, output)
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begin
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writeln(\‘Hello World\‘)
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end.
高年級大學生
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#include <stdio.h>
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int main(void)
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{
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printf("Hello, world!\\n");
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return 0;
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}
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</stdio.h>
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職業新手
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#include <stdio.h>
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void main(void)
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{
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char *message[] = {"Hello ", "World"};
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int i;
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for(i = 0; i < 2; ++i)
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printf("%s", message[i]);
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printf("\\n");
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}
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stdio.h>
職業老手
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#include <iostream>
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#include <string>
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using namespace std;
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class string
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{
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private:
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int size;
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char *ptr;
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string() : size(0), ptr(new char[1]) { ptr[0] = 0; }
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string(const string &s) : size(s.size)
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{
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ptr = new char[size + 1];
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strcpy(ptr, s.ptr);
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}
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~string()
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{
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delete [] ptr;
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}
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friend ostream &operator <<(ostream &, const string &);
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string &operator=(const char *);
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};
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ostream &operator<<(ostream &stream, const string &s)
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{
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return(stream << s.ptr);
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}
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string &string::operator=(const char *chrs)
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{
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if (this != &chrs)
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{
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delete [] ptr;
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size = strlen(chrs);
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ptr = new char[size + 1];
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strcpy(ptr, chrs);
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}
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return(*this);
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}
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int main()
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{
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string str;
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str = "Hello World";
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cout << str << endl;
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return(0);
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}
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/string></iostream>
黑客學徒
#!/usr/local/bin/perl
$msg="Hello, world.\\n";
if ($#ARGV >= 0) {
while(defined($arg=shift(@ARGV))) {
$outfilename = $arg;
open(FILE, ">" . $outfilename) || die "Can\‘t write $arg: $!\\n";
print (FILE $msg);
close(FILE) || die "Can\‘t close $arg: $!\\n";
}
} else {
print ($msg);
}
1;
有經驗的黑客
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#include <stdio.h>
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#define S "Hello, World\\n"
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main(){exit(printf(S) == strlen(S) ? 0 : 1);}
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stdio.h>
老練的黑客
% cc -o a.out ~/src/misc/hw/hw.c % a.out
超級黑客
% echo "Hello, world."
一線經理
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10 PRINT "HELLO WORLD"
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20 END
中層經理
mail -s "Hello, world." bob@b12 Bob, could you please write me a program that prints "Hello, world."? I need it by tomorrow. ^D
高級經理
% zmail jim I need a "Hello, world." program by this afternoon.
首席執行官
% letter letter: Command not found. % mail To: ^X ^F ^C % help mail help: Command not found. % damn! !: Event unrecognized % logou
檢測你處於程序員的哪個層級