백준(BAEKJOON) 13168번 ‘내일로 여행’ 문제에 대한 글입니다. Floyd-Warshall 알고리즘을 이용하여 해결하였습니다. (This is an article on the issue of “Travel to Tomorrow” in BAEKJOON No. 13168. It was solved using the Floyd-Warshall algorithm.)