Taro 㨠Hanako ãŒã‚²ãƒ¼ãƒ ã‚’ã—ã¦ã„ã‚‹.
最åˆã«, éžé€£çµãªç„¡å‘グラフ(二é‡è¾ºã‚„ self loop ã‚’å«ã¾ãªã„) ãŒä¸Žãˆã‚‰ã‚Œã‚‹. Taro 㨠Hanako ã¯äº¤äº’ã«æ“作を行ã†. æ“作ã§ã¯, 辺ã§ç›´æŽ¥ã¤ãªãŒã‚Œã¦ã„ãªã„ç•°ãªã‚‹2 é ‚ç‚¹ã‚’é¸ã³, ãã®é–“ã«è¾ºã‚’åŠ ãˆã‚‹. グラフを連çµã«ã—ãŸã»ã†ãŒè² ã‘ã§ã‚ã‚‹.
グラフã«ã¯ V 個ã®é ‚点ãŒã‚ã‚‹. V×V ã®è¡Œåˆ—ãŒä¸Žãˆã‚‰ã‚Œã‚‹. 行列㮠(i,j)-æˆåˆ†ãŒ'Y' ã§ã‚ã‚‹ã¨ã i 㨠j ã®é–“ã«ã¯è¾ºãŒã‚ã‚Š, 'N' ã§ã‚ã‚‹ã¨ãã¯è¾ºãŒç„¡ã„.
両者ãŒæœ€å–„ã«æ“作をã—ãŸã¨ã, ã©ã¡ã‚‰ãŒå‹ã¤ã‹ã‚’出力ã›ã‚ˆ.
入力ã¯ä»¥ä¸‹ã®å½¢å¼ã§ä¸Žãˆã‚‰ã‚Œã‚‹:
V
a1,1 ... a1,V
...
aV,1 ... aV,V
Taro ãŒå‹ã¤å ´åˆã«ã¯ "Taro" (quotes for clarity), Hanako ãŒå‹ã¤å ´åˆã«ã¯ "Hanako" (quotes for clarity) 㨠1 è¡Œã«å‡ºåŠ›ã›ã‚ˆ.
3 NNN NNN NNN
Taro
5 NNYNN NNNNN YNNNN NNNNY NNNYN
Hanako
8 NYNNNNNN YNNYNNYN NNNNNNNY NYNNNNYN NNNNNNNN NNNNNNNN NYNYNNNN NNYNNNNN
Taro