시간 제한메모리 제한제출정답맞힌 사람정답 비율
1 초 256 MB45635531177.556%

문제

이 대회의 채점 프로그램은 각 팀별로 시간 순서대로 쌓인 제출 로그를 분석하여 결과를 낸다. 각각의 로그는 제출 시각, 문제 이름, 제출 결과(통과, 실패)를 포함하고 있다. 예를 들어, 어떤 팀의 가상 제출 로그가 아래와 같다고 하자.

3 E right
10 A wrong
30 C wrong
50 B wrong
100 A wrong
200 A right
250 C wrong
300 D right

팀의 순위를 산정하기 위한 점수는 푼 문제 수를 우선으로, 푼 문제 수가 같다면 페널티를 기준으로 매겨진다. 페널티는 푼 문제에 대해서만 매겨지며, 문제를 맞힌 시각 + 틀린 횟수*20으로 정해진다. 만일 아무 문제도 풀지 못했다면 페널티는 0이다.

위의 예제에서, 우리는 이 팀이 세 개의 문제를 해결했음을 알 수가 있다. 대회 시각 3분째에 첫 제출로 문제 E를 해결했으며, 문제 A에 대해서는 세 번을 제출하여 200분째에 정답을 받았고, 문제 D는 300분째에 한 번의 제출로 해결하였다. 위 로그를 기반으로 산정한 페널티는 543이 되는데, 이는 E를 해결한 시각 3과 A를 해결한 시각 200, A를 두 번 틀린 페널티 40, D를 해결한 시각 300을 더한 값이다. 문제 B와 C에 대해서도 제출 기록은 있지만, 해결하지 못했으므로 페널티에는 영향을 주지 않았다.

대회 룰에 따르면, 만일 팀이 어떤 문제를 해결했다면 그 문제에 대한 추가적인 제출은 모두 무시된다(따라서 로그에도 남지 않는다). 제출 시각이 연속적으로 기록되지 않고 이산화되어있기 때문에, 같은 시각에 여러 제출이 있을 수도 있다. 하지만 제출 자체는 시간 순으로 이루어졌으므로, 같은 시각에 같은 문제를 제출한 로그가 남아 있다면 마지막 제출을 제외한 모든 제출은 오답이었을 것이다.

두 번째 예시로, 아래의 제출 로그를 보자.

7 H right
15 B wrong
30 E wrong
35 E right
80 B wrong
80 B right
100 D wrong
100 C wrong
300 C right
300 D wrong

위 팀은 4개의 문제를 해결했으며, 총 페널티는 502가 된다. 이는 H번에 대해 7, E번에 대해 35+20, B번에 대해 80+40, C번에 대해 300+20을 합산한 값이다.

입력

로그가 n줄에 걸쳐 주어진다. (0 ≤ n ≤ 100)

각 로그는 공백으로 구분된 세 파트로 이루어지며, 정수 m, 문제 이름, 결과를 의미한다. (0 ≤ m ≤ 300, 문제 이름은 알파벳 대문자, 결과는 "right" 또는 "wrong")

로그는 제출 시각이 감소하지 않는 순서로 주어지며, 동일한 시각에 제출된 로그가 여러 개일 수도 있다.

모든 로그가 주어진 뒤 마지막 줄엔 정수 -1 하나가 주어진다.

출력

푼 문제 수와 총 걸린 시간(페널티 포함)을 출력한다.

예제 입력 1

3 E right
10 A wrong
30 C wrong
50 B wrong
100 A wrong
200 A right
250 C wrong
300 D right
-1

예제 출력 1

3 543

예제 입력 2

7 H right
15 B wrong
30 E wrong
35 E right
80 B wrong
80 B right
100 D wrong
100 C wrong
300 C right
300 D wrong
-1

예제 출력 2

4 502
[{"problem_id":"11531","problem_lang":"0","title":"ACM \ub300\ud68c \ucc44\uc810","description":"<p>\uc774 \ub300\ud68c\uc758 \ucc44\uc810 \ud504\ub85c\uadf8\ub7a8\uc740 \uac01 \ud300\ubcc4\ub85c \uc2dc\uac04 \uc21c\uc11c\ub300\ub85c \uc313\uc778&nbsp;\uc81c\ucd9c \ub85c\uadf8\ub97c \ubd84\uc11d\ud558\uc5ec \uacb0\uacfc\ub97c \ub0b8\ub2e4. \uac01\uac01\uc758 \ub85c\uadf8\ub294 \uc81c\ucd9c \uc2dc\uac01, \ubb38\uc81c \uc774\ub984, \uc81c\ucd9c \uacb0\uacfc(\ud1b5\uacfc, \uc2e4\ud328)\ub97c \ud3ec\ud568\ud558\uace0 \uc788\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \uc5b4\ub5a4 \ud300\uc758 \uac00\uc0c1 \uc81c\ucd9c \ub85c\uadf8\uac00 \uc544\ub798\uc640 \uac19\ub2e4\uace0 \ud558\uc790.<\/p>\r\n\r\n<pre>\r\n3 E right\r\n10 A wrong\r\n30 C wrong\r\n50 B wrong\r\n100 A wrong\r\n200 A right\r\n250 C wrong\r\n300 D right<\/pre>\r\n\r\n<p>\ud300\uc758 \uc21c\uc704\ub97c \uc0b0\uc815\ud558\uae30 \uc704\ud55c \uc810\uc218\ub294 \ud47c \ubb38\uc81c \uc218\ub97c \uc6b0\uc120\uc73c\ub85c, \ud47c \ubb38\uc81c \uc218\uac00 \uac19\ub2e4\uba74 \ud398\ub110\ud2f0\ub97c \uae30\uc900\uc73c\ub85c \ub9e4\uaca8\uc9c4\ub2e4. \ud398\ub110\ud2f0\ub294 \ud47c \ubb38\uc81c\uc5d0 \ub300\ud574\uc11c\ub9cc \ub9e4\uaca8\uc9c0\uba70, \ubb38\uc81c\ub97c \ub9de\ud78c \uc2dc\uac01 + \ud2c0\ub9b0 \ud69f\uc218*20\uc73c\ub85c \uc815\ud574\uc9c4\ub2e4. \ub9cc\uc77c \uc544\ubb34 \ubb38\uc81c\ub3c4 \ud480\uc9c0 \ubabb\ud588\ub2e4\uba74 \ud398\ub110\ud2f0\ub294 0\uc774\ub2e4.<\/p>\r\n\r\n<p>\uc704\uc758 \uc608\uc81c\uc5d0\uc11c, \uc6b0\ub9ac\ub294 \uc774 \ud300\uc774 \uc138 \uac1c\uc758 \ubb38\uc81c\ub97c \ud574\uacb0\ud588\uc74c\uc744 \uc54c \uc218\uac00 \uc788\ub2e4. \ub300\ud68c \uc2dc\uac01 3\ubd84\uc9f8\uc5d0 \uccab \uc81c\ucd9c\ub85c&nbsp;\ubb38\uc81c E\ub97c \ud574\uacb0\ud588\uc73c\uba70, \ubb38\uc81c A\uc5d0 \ub300\ud574\uc11c\ub294 \uc138 \ubc88\uc744 \uc81c\ucd9c\ud558\uc5ec 200\ubd84\uc9f8\uc5d0&nbsp;\uc815\ub2f5\uc744 \ubc1b\uc558\uace0, \ubb38\uc81c D\ub294 300\ubd84\uc9f8\uc5d0 \ud55c \ubc88\uc758 \uc81c\ucd9c\ub85c \ud574\uacb0\ud558\uc600\ub2e4. \uc704 \ub85c\uadf8\ub97c \uae30\ubc18\uc73c\ub85c \uc0b0\uc815\ud55c \ud398\ub110\ud2f0\ub294 543\uc774 \ub418\ub294\ub370, \uc774\ub294 E\ub97c \ud574\uacb0\ud55c \uc2dc\uac01 3\uacfc A\ub97c \ud574\uacb0\ud55c \uc2dc\uac01 200, A\ub97c \ub450 \ubc88 \ud2c0\ub9b0 \ud398\ub110\ud2f0 40, D\ub97c \ud574\uacb0\ud55c \uc2dc\uac01 300\uc744 \ub354\ud55c \uac12\uc774\ub2e4. \ubb38\uc81c B\uc640 C\uc5d0 \ub300\ud574\uc11c\ub3c4 \uc81c\ucd9c \uae30\ub85d\uc740 \uc788\uc9c0\ub9cc, \ud574\uacb0\ud558\uc9c0 \ubabb\ud588\uc73c\ubbc0\ub85c \ud398\ub110\ud2f0\uc5d0\ub294 \uc601\ud5a5\uc744 \uc8fc\uc9c0 \uc54a\uc558\ub2e4.<\/p>\r\n\r\n<p>\ub300\ud68c \ub8f0\uc5d0 \ub530\ub974\uba74, \ub9cc\uc77c \ud300\uc774 \uc5b4\ub5a4 \ubb38\uc81c\ub97c \ud574\uacb0\ud588\ub2e4\uba74 \uadf8 \ubb38\uc81c\uc5d0 \ub300\ud55c \ucd94\uac00\uc801\uc778 \uc81c\ucd9c\uc740 \ubaa8\ub450 \ubb34\uc2dc\ub41c\ub2e4(\ub530\ub77c\uc11c \ub85c\uadf8\uc5d0\ub3c4 \ub0a8\uc9c0 \uc54a\ub294\ub2e4). \uc81c\ucd9c \uc2dc\uac01\uc774 \uc5f0\uc18d\uc801\uc73c\ub85c \uae30\ub85d\ub418\uc9c0 \uc54a\uace0 \uc774\uc0b0\ud654\ub418\uc5b4\uc788\uae30 \ub54c\ubb38\uc5d0, \uac19\uc740 \uc2dc\uac01\uc5d0 \uc5ec\ub7ec \uc81c\ucd9c\uc774&nbsp;\uc788\uc744 \uc218\ub3c4 \uc788\ub2e4. \ud558\uc9c0\ub9cc \uc81c\ucd9c \uc790\uccb4\ub294 \uc2dc\uac04 \uc21c\uc73c\ub85c \uc774\ub8e8\uc5b4\uc84c\uc73c\ubbc0\ub85c, \uac19\uc740 \uc2dc\uac01\uc5d0 \uac19\uc740 \ubb38\uc81c\ub97c \uc81c\ucd9c\ud55c \ub85c\uadf8\uac00 \ub0a8\uc544 \uc788\ub2e4\uba74 \ub9c8\uc9c0\ub9c9 \uc81c\ucd9c\uc744 \uc81c\uc678\ud55c \ubaa8\ub4e0 \uc81c\ucd9c\uc740 \uc624\ub2f5\uc774\uc5c8\uc744 \uac83\uc774\ub2e4.<\/p>\r\n\r\n<p>\ub450 \ubc88\uc9f8 \uc608\uc2dc\ub85c, \uc544\ub798\uc758 \uc81c\ucd9c \ub85c\uadf8\ub97c \ubcf4\uc790.<\/p>\r\n\r\n<pre>\r\n7 H right\r\n15 B wrong\r\n30 E wrong\r\n35 E right\r\n80 B wrong\r\n80 B right\r\n100 D wrong\r\n100 C wrong\r\n300 C right\r\n300 D wrong<\/pre>\r\n\r\n<p>\uc704 \ud300\uc740 4\uac1c\uc758 \ubb38\uc81c\ub97c \ud574\uacb0\ud588\uc73c\uba70, \ucd1d \ud398\ub110\ud2f0\ub294 502\uac00 \ub41c\ub2e4. \uc774\ub294 H\ubc88\uc5d0 \ub300\ud574 7, E\ubc88\uc5d0 \ub300\ud574 35+20, B\ubc88\uc5d0 \ub300\ud574 80+40, C\ubc88\uc5d0 \ub300\ud574 300+20\uc744 \ud569\uc0b0\ud55c \uac12\uc774\ub2e4.<\/p>\r\n","input":"<p>\ub85c\uadf8\uac00 n\uc904\uc5d0 \uac78\uccd0 \uc8fc\uc5b4\uc9c4\ub2e4. (0 &le; n &le; 100)<\/p>\r\n\r\n<p>\uac01 \ub85c\uadf8\ub294 \uacf5\ubc31\uc73c\ub85c \uad6c\ubd84\ub41c \uc138 \ud30c\ud2b8\ub85c \uc774\ub8e8\uc5b4\uc9c0\uba70,&nbsp;\uc815\uc218 m, \ubb38\uc81c \uc774\ub984, \uacb0\uacfc\ub97c \uc758\ubbf8\ud55c\ub2e4. (0 &le; m&nbsp;&le; 300, \ubb38\uc81c \uc774\ub984\uc740 \uc54c\ud30c\ubcb3 \ub300\ubb38\uc790, \uacb0\uacfc\ub294 &quot;right&quot;&nbsp;\ub610\ub294 &quot;wrong&quot;)<\/p>\r\n\r\n<p>\ub85c\uadf8\ub294 \uc81c\ucd9c \uc2dc\uac01\uc774 \uac10\uc18c\ud558\uc9c0 \uc54a\ub294 \uc21c\uc11c\ub85c \uc8fc\uc5b4\uc9c0\uba70, \ub3d9\uc77c\ud55c \uc2dc\uac01\uc5d0 \uc81c\ucd9c\ub41c \ub85c\uadf8\uac00 \uc5ec\ub7ec \uac1c\uc77c \uc218\ub3c4 \uc788\ub2e4.<\/p>\r\n\r\n<p>\ubaa8\ub4e0 \ub85c\uadf8\uac00&nbsp;\uc8fc\uc5b4\uc9c4&nbsp;\ub4a4&nbsp;\ub9c8\uc9c0\ub9c9 \uc904\uc5d4&nbsp;\uc815\uc218 -1 \ud558\ub098\uac00 \uc8fc\uc5b4\uc9c4\ub2e4.<\/p>\r\n","output":"<p>\ud47c \ubb38\uc81c \uc218\uc640 \ucd1d \uac78\ub9b0 \uc2dc\uac04(\ud398\ub110\ud2f0 \ud3ec\ud568)\uc744&nbsp;\ucd9c\ub825\ud55c\ub2e4.<\/p>\r\n","hint":"","original":"0","html_title":"0","problem_lang_tcode":"Korean"},{"problem_id":"11531","problem_lang":"1","title":"ACM Contest Scoring","description":"<p>Our new contest submission system keeps a chronological log of all submissions made by each team during the contest. With each entry, it records the number of minutes into the competition at which the submission was received, the letter that identifies the relevant contest problem, and the result of testing the submission (designated for the sake of this problem simply as right or wrong). As an example, the following is a hypothetical log for a particular team:<\/p>\r\n\r\n<pre>\r\n3 E right\r\n10 A wrong\r\n30 C wrong\r\n50 B wrong\r\n100 A wrong\r\n200 A right\r\n250 C wrong\r\n300 D right<\/pre>\r\n\r\n<p>The rank of a team relative to others is determined by a primary and secondary scoring measure calculated from the submission data. The primary measure is the number of problems that were solved. The secondary measure is based on a combination of time and penalties. Specifically, a team&rsquo;s time score is equal to the sum of those submission times that resulted in right answers, plus a 20-minute penalty for each wrong submission of a problem that is ultimately solved. If no problems are solved, the time measure is 0.<\/p>\r\n\r\n<p>In the above example, we see that this team successfully completed three problems: E on their first attempt (3 minutes into the contest); A on their third attempt at that problem (200 minutes into the contest); and D on their first attempt at that problem (300 minutes into the contest). This team&rsquo;s time score (including penalties) is 543. This is computed to include 3 minutes for solving E, 200 minutes for solving A with an additional 40 penalty minutes for two earlier mistakes on that problem, and finally 300 minutes for solving D. Note that the team also attempted problems B and C, but were never successful in solving those problems, and thus received no penalties for those attempts.<\/p>\r\n\r\n<p>According to contest rules, after a team solves a particular problem, any further submissions of the same problem are ignored (and thus omitted from the log). Because times are discretized to whole minutes, there may be more than one submission showing the same number of minutes. In particular there could be more than one submission of the same problem in the same minute, but they are chronological, so only the last entry could possibly be correct. As a second example, consider the following submission log:<\/p>\r\n\r\n<pre>\r\n7 H right\r\n15 B wrong\r\n30 E wrong\r\n35 E right\r\n80 B wrong\r\n80 B right\r\n100 D wrong\r\n100 C wrong\r\n300 C right\r\n300 D wrong<\/pre>\r\n\r\n<p>This team solved 4 problems, and their total time score (including penalties) is 502, with 7 minutes for H, 35 + 20 for E, 80 + 40 for B, and 300 + 20 for C.<\/p>\r\n","input":"<p>The input contains n lines for 0 &le; n &le; 100, with each line describing a particular log entry. A log entry has three parts: an integer m, with 1 &le; m &le; 300, designating the number of minutes at which a submission was received, an uppercase letter designating the problem, and either the word right or wrong. The integers will be in nondecreasing order and may contain repeats. After all the log entries is a line containing just the number &minus;1.<\/p>\r\n","output":"<p>Output two integers on a single line: the number of problems solved and the total time measure (including penalties).<\/p>\r\n","hint":"","original":"1","html_title":"0","problem_lang_tcode":"English"}]

출처

ICPC > Regionals > North America > Mid-Central Regional > 2015 Mid-Central Regional Programming Contest A번