変数は新たに宣言しない1から100までの整数の和を表示するプログラム

sum.c

#include <stdio.h>

int main(int argc, char* argv[]) {
  argc = 0;
  argv[0] = 100;
  while (argv[0] > 0) {
    argc += argv[0];
    argv[0] -= 1;
  }
  printf("%d\n", argc);

  return 0;
}

sum.clj

(print (apply + (range 1 101)))

sum.php

<?php
echo array_sum(range(1, 100)), "\n";

sum.pl

use List::Util sum;
print sum(1..100), "\n";

sum.py

print sum(range(100 + 1))

sum.rb

puts (1..100).inject(:+)

sum.vim

:echo eval(join(range(1,100), '+'))