°ú¿ô

def sum(N) {
    for ( I = 1, S = 0; I <= N; I++ )
        S += I;
    return S;
}

¤³¤ì¤Ï, 1 ¤«¤é N ¤Þ¤Ç¤Î¼«Á³¿ô¤ÎϤòµá¤á¤ëÈ¡¿ô sum() ¤Î ÄêµÁ¤Ç¤¢¤ë. ¤³¤ÎÎã¤Ë¤ª¤±¤ë sum(N) ¤Î N ¤¬°ú¿ô¤Ç¤¢¤ë. ¤³¤ÎÎã¤Ï, 1 °ú¿ôÈ¡¿ô¤ÎÎã¤Ç¤¢¤ë¤¬, °ìÈ̤˰ú¿ô¤Î¸Ä¿ô¤ÏǤ°Õ¤Ç¤¢¤ê, ɬÍפʤÀ¤±¤Î¸Ä¿ô¤ò `,' ¤Ç¶èÀڤäƻØÄꤹ¤ë¤³¤È¤¬¤Ç¤­¤ë. °ú¿ô¤Ï Ãͤ¬ÅϤµ¤ì¤ë. ¤¹¤Ê¤ï¤Á, °ú¿ô¤ò¼õ¤±¤È¤Ã¤¿Â¦¤¬, ¤½¤Î°ú¿ô¤ÎÃͤòÊѹ¹¤·¤Æ ¤â, ÅϤ·¤¿Â¦¤ÎÊÑ¿ô¤ÏÊѲ½¤·¤Ê¤¤. ¤¿¤À¤·, Îã³°¤¬¤¢¤ë. ¤½¤ì¤Ï, ¥Ù¥¯¥È¥ë, ¹ÔÎó¤ò°ú¿ô¤ËÅϤ·¤¿¾ì¹ç¤Ç¤¢¤ë. ¤³¤Î¾ì¹ç¤â, ÅϤµ¤ì¤¿ÊÑ¿ô¤½¤Î¤â¤Î¤ò½ñ¤­ Âؤ¨¤ë¤³¤È¤Ï, ¤½¤ÎÈ¡¿ô¤Ë¶É½êŪ¤ÊÁàºî¤Ç¤¢¤ë¤¬, Í×ÁǤò½ñ¤­´¹¤¨¤¿¾ì¹ç, ¤½¤ì¤Ï, ¸Æ¤Ó½Ð¤·Â¦¤Î¥Ù¥¯¥È¥ë, ¹ÔÎó¤ÎÍ×ÁǤò½ñ¤­´¹¤¨¤ë¤³¤È¤Ë¤Ê¤ë.

def clear_vector(M) {
    /* M is expected to be a vector */
    L = size(M)[0];
    for ( I = 0; I < L; I++ )
        M[I] = 0;
}

¤³¤ÎÈ¡¿ô¤Ï, °ú¿ô¤Î¥Ù¥¯¥È¥ë¤ò 0 ¥Ù¥¯¥È¥ë¤Ë½é´ü²½¤¹¤ë¤¿¤á¤ÎÈ¡¿ô¤Ç¤¢¤ë. ¤Þ¤¿, ¥Ù¥¯¥È¥ë¤ò°ú¿ô¤ËÅϤ¹¤³¤È¤Ë¤è¤ê, Ê£¿ô¤Î·ë²Ì¤ò°ú¿ô¤Î¥Ù¥¯¥È¥ë¤Ë ¼ýǼ¤·¤ÆÊÖ¤¹¤³¤È¤¬¤Ç¤­¤ë. ¼ÂºÝ¤Ë¤Ï, ¤³¤Î¤è¤¦¤Ê¾ì¹ç¤Ë¤Ï, ·ë²Ì¤ò¥ê¥¹¥È ¤Ë¤·¤ÆÊÖ¤¹¤³¤È¤â¤Ç¤­¤ë. ¾õ¶·¤Ë±þ¤¸¤Æ»È¤¤¤ï¤±¤¹¤ë¤³¤È¤¬Ë¾¤Þ¤·¤¤.

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