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문제

잉글랜드 프리머어리그(EPL)의 리그 일정이 끝나면, 최종 순위에 따라 유럽 대회 진출 자격이 주어진다. 1위~3위는 UEFA 챔피언스리그 본선, 4위는 4차 예선 플레이오프, 5위는 UEFA 유로파리그에 진출한다. 6위와 7위는 컵 대회 진출 자격에 따라 유로파리그 진출 여부가 결정된다. FA컵과 리그컵의 우승 팀은 UEFA 유로파리그의 진출권은 획득한다. 단, 우승 팀이 챔피언스리그의 진출권을 획득한 경우에는 유로파리그 진출 자격이 준우승팀으로 넘어간다. 준우승 팀 또한 챔피언스리그의 진출권을 가지고 있다면, 프리미어리그에서 유럽대회 진출권을 얻지 못한 최상위 팀에게 돌아간다. 또, 프리미어리그의 하위 세 팀은 풋볼리그 챔피언십으로 강등된다.

이제 프리미어리그가 몇 경기 밖에 남지 않았다. 이때, 시즌이 종료되었을 때, 각 팀의 가능한 등수를 구해보려고 한다.

모든 축구 게임은 많은 골을 넣은 팀이 승리한다. 만약, 두 팀이 넣은 골이 같은 경우에는 비기게 된다. 승리한 경우에는 승점을 3점, 비긴 경우에는 1점, 진 경우에는 0점을 획득한다. 리그의 순위는 이 승점을 이용해서 순위를 매긴다. 승점이 가장 높은 팀이 1위이며, 승점이 같은 경우에는 같은 등수를 매긴다. 예를 들어, 3위가 두 팀이 있다면, 승점이 다음으로 높은 팀의 순위는 4위가 아니고 5위이다. 실제 축구에서는 골득실 차이, 득점을 이용하지만, 이 문제에서는 승점만 이용한다.

리그에 속해있는 축구팀과 리그의 일정이 주어졌을 때, 각 팀이 리그를 마칠 수 있는 최고 등수와 최저 등수를 구하는 프로그램을 작성하시오.

입력

입력은 여러 개의 테스트 케이스로 이루어져 있다. 각 테스트 케이스의 첫째 줄에는 팀의 수 n과 리그 경기의 수 m이 주어진다. (2 ≤ n ≤ 20, 1 ≤ m ≤ 1000) 다음 n개 줄에는 팀 이름이 주어진다. 팀 이름은 알파벳으로만 이루어져 있고, 최대 30글자이다. 다음 m개 줄에는 경기 일정과 결과가 주어진다. 경기 일정은 다음과 같이 생겼다.

team1 vs team2: x y

team1과 team2는 서로 다른 팀의 이름이고, x와 y는 음이 아닌 정수이다. (또는 둘 다 -1일 수는 있다) team1이 x골, team2가 y골을 득점한 것이다. 만약, x와 y가 둘 다 -1이라면, 그 경기는 아직 치루지 않은 것이다. 아직 치루지 않은 경기의 수는 최대 12이다.

입력은 n과 m이 모두 0일 때 끝난다.

출력

각 테스트 케이스에 대해서, 입력으로 주어진 팀 순서에 따라 각 팀이 리그를 마칠 수 있는 최고 등수와 최저 등수를 다음과 같은 형태로 출력한다.

Team xxx can finish as high as nth place and as low as mth place.

이때, 1등일때는 th대신 st, 2등일때는 nd, 3등일때는 rd를 사용해야 한다.  각 테스트 케이스 사이에는 빈 줄을 출력한다.

예제 입력 1

4 6
ManUnited
Arsenal
Chelsea
Tottenham
ManUnited vs Arsenal: 3 1
Chelsea vs Arsenal: 2 2
ManUnited vs Chelsea: 1 0
Tottenham vs ManUnited: -1 -1
Tottenham vs Chelsea: 0 4
Tottenham vs Arsenal: -1 -1
0 0

예제 출력 1

Team ManUnited can finish as high as 1st place and as low as 1st place.
Team Arsenal can finish as high as 2nd place and as low as 4th place.
Team Chelsea can finish as high as 2nd place and as low as 3rd place.
Team Tottenham can finish as high as 1st place and as low as 4th place.

힌트

실제 EPL에서는 총 20개 팀이 홈&어웨이로 2경기씩 치룬다. 하지만, 이 문제에서는 각 팀이 치룬 경기의 수가 다를 수도 있다.

[{"problem_id":"4822","problem_lang":"0","title":"\ucd95\uad6c","description":"<p>\uc789\uae00\ub79c\ub4dc \ud504\ub9ac\uba38\uc5b4\ub9ac\uadf8(EPL)\uc758 \ub9ac\uadf8 \uc77c\uc815\uc774 \ub05d\ub098\uba74, \ucd5c\uc885 \uc21c\uc704\uc5d0 \ub530\ub77c \uc720\ub7fd \ub300\ud68c \uc9c4\ucd9c \uc790\uaca9\uc774 \uc8fc\uc5b4\uc9c4\ub2e4. 1\uc704~3\uc704\ub294 UEFA \ucc54\ud53c\uc5b8\uc2a4\ub9ac\uadf8 \ubcf8\uc120, 4\uc704\ub294 4\ucc28 \uc608\uc120 \ud50c\ub808\uc774\uc624\ud504, 5\uc704\ub294 UEFA \uc720\ub85c\ud30c\ub9ac\uadf8\uc5d0 \uc9c4\ucd9c\ud55c\ub2e4. 6\uc704\uc640 7\uc704\ub294 \ucef5 \ub300\ud68c \uc9c4\ucd9c \uc790\uaca9\uc5d0 \ub530\ub77c \uc720\ub85c\ud30c\ub9ac\uadf8 \uc9c4\ucd9c \uc5ec\ubd80\uac00 \uacb0\uc815\ub41c\ub2e4. FA\ucef5\uacfc \ub9ac\uadf8\ucef5\uc758 \uc6b0\uc2b9 \ud300\uc740 UEFA \uc720\ub85c\ud30c\ub9ac\uadf8\uc758 \uc9c4\ucd9c\uad8c\uc740 \ud68d\ub4dd\ud55c\ub2e4. \ub2e8, \uc6b0\uc2b9 \ud300\uc774 \ucc54\ud53c\uc5b8\uc2a4\ub9ac\uadf8\uc758 \uc9c4\ucd9c\uad8c\uc744 \ud68d\ub4dd\ud55c \uacbd\uc6b0\uc5d0\ub294 \uc720\ub85c\ud30c\ub9ac\uadf8 \uc9c4\ucd9c \uc790\uaca9\uc774 \uc900\uc6b0\uc2b9\ud300\uc73c\ub85c \ub118\uc5b4\uac04\ub2e4. \uc900\uc6b0\uc2b9 \ud300 \ub610\ud55c \ucc54\ud53c\uc5b8\uc2a4\ub9ac\uadf8\uc758 \uc9c4\ucd9c\uad8c\uc744 \uac00\uc9c0\uace0 \uc788\ub2e4\uba74, \ud504\ub9ac\ubbf8\uc5b4\ub9ac\uadf8\uc5d0\uc11c \uc720\ub7fd\ub300\ud68c \uc9c4\ucd9c\uad8c\uc744 \uc5bb\uc9c0 \ubabb\ud55c \ucd5c\uc0c1\uc704 \ud300\uc5d0\uac8c \ub3cc\uc544\uac04\ub2e4. \ub610, \ud504\ub9ac\ubbf8\uc5b4\ub9ac\uadf8\uc758 \ud558\uc704 \uc138 \ud300\uc740 \ud48b\ubcfc\ub9ac\uadf8 \ucc54\ud53c\uc5b8\uc2ed\uc73c\ub85c \uac15\ub4f1\ub41c\ub2e4.<\/p>\r\n\r\n<p>\uc774\uc81c \ud504\ub9ac\ubbf8\uc5b4\ub9ac\uadf8\uac00 \uba87 \uacbd\uae30 \ubc16\uc5d0 \ub0a8\uc9c0 \uc54a\uc558\ub2e4. \uc774\ub54c, \uc2dc\uc98c\uc774 \uc885\ub8cc\ub418\uc5c8\uc744 \ub54c, \uac01 \ud300\uc758 \uac00\ub2a5\ud55c \ub4f1\uc218\ub97c \uad6c\ud574\ubcf4\ub824\uace0 \ud55c\ub2e4.<\/p>\r\n\r\n<p>\ubaa8\ub4e0 \ucd95\uad6c \uac8c\uc784\uc740 \ub9ce\uc740 \uace8\uc744 \ub123\uc740 \ud300\uc774 \uc2b9\ub9ac\ud55c\ub2e4. \ub9cc\uc57d, \ub450 \ud300\uc774 \ub123\uc740 \uace8\uc774 \uac19\uc740 \uacbd\uc6b0\uc5d0\ub294 \ube44\uae30\uac8c \ub41c\ub2e4. \uc2b9\ub9ac\ud55c \uacbd\uc6b0\uc5d0\ub294 \uc2b9\uc810\uc744 3\uc810, \ube44\uae34 \uacbd\uc6b0\uc5d0\ub294 1\uc810, \uc9c4 \uacbd\uc6b0\uc5d0\ub294 0\uc810\uc744 \ud68d\ub4dd\ud55c\ub2e4. \ub9ac\uadf8\uc758 \uc21c\uc704\ub294 \uc774 \uc2b9\uc810\uc744 \uc774\uc6a9\ud574\uc11c \uc21c\uc704\ub97c \ub9e4\uae34\ub2e4. \uc2b9\uc810\uc774 \uac00\uc7a5 \ub192\uc740 \ud300\uc774 1\uc704\uc774\uba70, \uc2b9\uc810\uc774 \uac19\uc740 \uacbd\uc6b0\uc5d0\ub294 \uac19\uc740 \ub4f1\uc218\ub97c \ub9e4\uae34\ub2e4. \uc608\ub97c \ub4e4\uc5b4, 3\uc704\uac00 \ub450 \ud300\uc774 \uc788\ub2e4\uba74, \uc2b9\uc810\uc774 \ub2e4\uc74c\uc73c\ub85c \ub192\uc740 \ud300\uc758 \uc21c\uc704\ub294 4\uc704\uac00 \uc544\ub2c8\uace0 5\uc704\uc774\ub2e4. \uc2e4\uc81c \ucd95\uad6c\uc5d0\uc11c\ub294 \uace8\ub4dd\uc2e4 \ucc28\uc774, \ub4dd\uc810\uc744 \uc774\uc6a9\ud558\uc9c0\ub9cc, \uc774 \ubb38\uc81c\uc5d0\uc11c\ub294 \uc2b9\uc810\ub9cc \uc774\uc6a9\ud55c\ub2e4.<\/p>\r\n\r\n<p>\ub9ac\uadf8\uc5d0 \uc18d\ud574\uc788\ub294 \ucd95\uad6c\ud300\uacfc \ub9ac\uadf8\uc758 \uc77c\uc815\uc774 \uc8fc\uc5b4\uc84c\uc744 \ub54c, \uac01 \ud300\uc774 \ub9ac\uadf8\ub97c \ub9c8\uce60 \uc218 \uc788\ub294 \ucd5c\uace0 \ub4f1\uc218\uc640 \ucd5c\uc800 \ub4f1\uc218\ub97c \uad6c\ud558\ub294 \ud504\ub85c\uadf8\ub7a8\uc744 \uc791\uc131\ud558\uc2dc\uc624.<\/p>\r\n","input":"<p>\uc785\ub825\uc740 \uc5ec\ub7ec \uac1c\uc758 \ud14c\uc2a4\ud2b8 \ucf00\uc774\uc2a4\ub85c \uc774\ub8e8\uc5b4\uc838 \uc788\ub2e4. \uac01 \ud14c\uc2a4\ud2b8 \ucf00\uc774\uc2a4\uc758 \uccab\uc9f8 \uc904\uc5d0\ub294 \ud300\uc758 \uc218 n\uacfc \ub9ac\uadf8 \uacbd\uae30\uc758 \uc218 m\uc774 \uc8fc\uc5b4\uc9c4\ub2e4. (2 &le; n &le; 20, 1 &le; m &le; 1000) \ub2e4\uc74c n\uac1c \uc904\uc5d0\ub294 \ud300 \uc774\ub984\uc774 \uc8fc\uc5b4\uc9c4\ub2e4. \ud300 \uc774\ub984\uc740 \uc54c\ud30c\ubcb3\uc73c\ub85c\ub9cc \uc774\ub8e8\uc5b4\uc838 \uc788\uace0, \ucd5c\ub300 30\uae00\uc790\uc774\ub2e4. \ub2e4\uc74c m\uac1c \uc904\uc5d0\ub294 \uacbd\uae30 \uc77c\uc815\uacfc \uacb0\uacfc\uac00 \uc8fc\uc5b4\uc9c4\ub2e4. \uacbd\uae30 \uc77c\uc815\uc740 \ub2e4\uc74c\uacfc \uac19\uc774 \uc0dd\uacbc\ub2e4.<\/p>\r\n\r\n<p>team1 vs team2: x y<\/p>\r\n\r\n<p>team1\uacfc team2\ub294 \uc11c\ub85c \ub2e4\ub978 \ud300\uc758 \uc774\ub984\uc774\uace0, x\uc640 y\ub294 \uc74c\uc774 \uc544\ub2cc \uc815\uc218\uc774\ub2e4. (\ub610\ub294 \ub458 \ub2e4 -1\uc77c \uc218\ub294 \uc788\ub2e4) team1\uc774 x\uace8, team2\uac00 y\uace8\uc744 \ub4dd\uc810\ud55c \uac83\uc774\ub2e4. \ub9cc\uc57d, x\uc640 y\uac00 \ub458 \ub2e4 -1\uc774\ub77c\uba74, \uadf8 \uacbd\uae30\ub294 \uc544\uc9c1 \uce58\ub8e8\uc9c0 \uc54a\uc740 \uac83\uc774\ub2e4. \uc544\uc9c1 \uce58\ub8e8\uc9c0 \uc54a\uc740 \uacbd\uae30\uc758 \uc218\ub294 \ucd5c\ub300 12\uc774\ub2e4.<\/p>\r\n\r\n<p>\uc785\ub825\uc740 n\uacfc m\uc774 \ubaa8\ub450 0\uc77c \ub54c \ub05d\ub09c\ub2e4.<\/p>\r\n","output":"<p>\uac01 \ud14c\uc2a4\ud2b8 \ucf00\uc774\uc2a4\uc5d0 \ub300\ud574\uc11c, \uc785\ub825\uc73c\ub85c \uc8fc\uc5b4\uc9c4 \ud300 \uc21c\uc11c\uc5d0 \ub530\ub77c \uac01 \ud300\uc774 \ub9ac\uadf8\ub97c \ub9c8\uce60 \uc218 \uc788\ub294 \ucd5c\uace0 \ub4f1\uc218\uc640 \ucd5c\uc800 \ub4f1\uc218\ub97c \ub2e4\uc74c\uacfc \uac19\uc740 \ud615\ud0dc\ub85c \ucd9c\ub825\ud55c\ub2e4.<\/p>\r\n\r\n<p>Team xxx can finish as high as nth place and as low as mth place.<\/p>\r\n\r\n<p>\uc774\ub54c, 1\ub4f1\uc77c\ub54c\ub294 th\ub300\uc2e0 st, 2\ub4f1\uc77c\ub54c\ub294 nd, 3\ub4f1\uc77c\ub54c\ub294 rd\ub97c \uc0ac\uc6a9\ud574\uc57c \ud55c\ub2e4. &nbsp;\uac01 \ud14c\uc2a4\ud2b8 \ucf00\uc774\uc2a4 \uc0ac\uc774\uc5d0\ub294 \ube48 \uc904\uc744 \ucd9c\ub825\ud55c\ub2e4.<\/p>\r\n","hint":"<p>\uc2e4\uc81c EPL\uc5d0\uc11c\ub294 \ucd1d 20\uac1c \ud300\uc774 \ud648&amp;\uc5b4\uc6e8\uc774\ub85c 2\uacbd\uae30\uc529 \uce58\ub8ec\ub2e4. \ud558\uc9c0\ub9cc, \uc774 \ubb38\uc81c\uc5d0\uc11c\ub294 \uac01 \ud300\uc774 \uce58\ub8ec \uacbd\uae30\uc758 \uc218\uac00 \ub2e4\ub97c \uc218\ub3c4 \uc788\ub2e4.<\/p>\r\n\r\n<p><iframe frameborder=\"0\" height=\"480\" src=\"http:\/\/www.youtube.com\/embed\/agVpq_XXRmU\" width=\"853\"><\/iframe><\/p>\r\n","original":"0","html_title":"0","problem_lang_tcode":"Korean"},{"problem_id":"4822","problem_lang":"1","title":"Soccer","description":"<p>In soccer, there are many different rewards (and punishments) depending on how you rank in the league at the end of a season. For example, in the British Premier League, the top 4 teams are eligible to play in the Champions League, the next team is eligible to play in the Europa League, and the bottom three teams are relegated to the lower division. It is now near the end of the soccer season, and there are still a number of games to be played. For any given team, we wish to know what is the highest and lowest rank it can have at the end of the season.<\/p>\r\n\r\n<p>For each game played, a team wins if it scores more goals than its opponent. A team loses a game if it scores fewer goals. When both teams score the same number of goals, we call it a draw. A team earns 3 points for each win, 1 point for each draw and 0 point for each loss. Teams are ranked according to the number of points earned (more points result in a higher ranking). Teams that are tied are given the same rank. For example, if two teams are tied and have the next highest point total after the 3rd place team, then they are both ranked 4th (and the next team is ranked 6th). In real life, factors such as goal differences and goals scored are used to break ties, but we will not consider these for this problem.<\/p>\r\n\r\n<p>You are given a list of soccer teams and a list of matches in a season. You may assume that every team will play the same number of games at the end. Some of the matches have been played and the results are known.<\/p>\r\n","input":"<p>The input consists of a number of cases. The \ufb01rst line in each case speci\ufb01es two integers n and m (2 &le; n &le; 20, 1 &le; m &le; 1000) indicating the number of teams in the league and the number of matches in the season. The next n lines contain the name of each team in its own line. The team names contain only alphabetic characters and have lengths at most 30 characters. This is followed by m lines each of the form<\/p>\r\n\r\n<p>team1 vs team2: x y<\/p>\r\n\r\n<p>with team1 and team2 being the names of two different teams, and x and y are non-negative integers (or both are -1), indicating that in the game between team1 and team2, team1 scores x goals and team2 scores y goals. If both x and y are -1, then the game has not yet been played. At most 12 games will not have been played yet.<\/p>\r\n\r\n<p>The input is terminated with n = m = 0.<\/p>\r\n","output":"<p>For each team in the same order as the team list in the input, print one line of the following form:<\/p>\r\n\r\n<p>Team XXX can finish as high as nth place and as low as mth place.<\/p>\r\n\r\n<p>Use st, nd, and rd instead of th for \ufb01rst, second, and third place, respectively. Print a blank line between cases.<\/p>\r\n","hint":"","original":"1","html_title":"0","problem_lang_tcode":"English"}]

출처

ICPC > Regionals > North America > Rocky Mountain Regional > 2010 Rocky Mountain Regional Contest F번

  • 문제를 번역한 사람: baekjoon
  • 문제의 오타를 찾은 사람: kipa00