{"in":{"data":"int main()\n{\n  char *s = \"Hello, world!\";\n  int i, j;\n\n  for (i = 0; s[i]; i++) {\n    for (j = 0; j \u003c= i; j++)\n      putchar(s[j]);\n    putchar('\\n');\n  }\n\n  return 0;\n}\n","type":"c"},"out":{"data":"H\nHe\nHel\nHell\nHello\nHello,\nHello, \nHello, w\nHello, wo\nHello, wor\nHello, worl\nHello, world\nHello, world!\n","type":"txt"},"client":"0.5.0"}