CSES - HIIT Open 2024

Submission details
Task:	Hiitism
Sender:	Viestipojat
Submission time:	2024-11-16 14:33:44 +0200
Language:	Python3 (PyPy3)
Status:	READY
Result:	TIME LIMIT EXCEEDED

Test results
test	verdict	time
#1	ACCEPTED	0.04 s	details
#2	ACCEPTED	0.04 s	details
#3	ACCEPTED	0.05 s	details
#4	ACCEPTED	0.09 s	details
#5	ACCEPTED	0.06 s	details
#6	ACCEPTED	0.43 s	details
#7	ACCEPTED	0.81 s	details
#8	TIME LIMIT EXCEEDED	--	details
#9	TIME LIMIT EXCEEDED	--	details
#10	TIME LIMIT EXCEEDED	--	details
#11	TIME LIMIT EXCEEDED	--	details
#12	TIME LIMIT EXCEEDED	--	details
#13	TIME LIMIT EXCEEDED	--	details
#14	TIME LIMIT EXCEEDED	--	details
#15	ACCEPTED	0.20 s	details
#16	RUNTIME ERROR	0.10 s	details
#17	RUNTIME ERROR	0.11 s	details
#18	RUNTIME ERROR	0.18 s	details
#19	RUNTIME ERROR	0.12 s	details
#20	TIME LIMIT EXCEEDED	--	details
#21	TIME LIMIT EXCEEDED	--	details
#22	TIME LIMIT EXCEEDED	--	details
#23	TIME LIMIT EXCEEDED	--	details
#24	ACCEPTED	0.21 s	details
#25	RUNTIME ERROR	0.10 s	details
#26	RUNTIME ERROR	0.12 s	details
#27	RUNTIME ERROR	0.13 s	details
#28	RUNTIME ERROR	0.12 s	details
#29	WRONG ANSWER	0.19 s	details
#30	ACCEPTED	0.21 s	details

Code

cs, rs = [int(x) for x in input().split(" ") if x != ""]

#lines = [l for l in open(0).read().split("\n") if l != '']

#cs, rs = [int(x) for x in lines[0] if x != " "]

#m = [list(x) for x in lines[1:] if x != '']
m = [list(input()) for _ in range(rs)]


actions = []

removed_cols = set()
removed_rows = set()

sol = False
while not sol:
    cut = False

    for r in [x for x in range(0, rs) if x not in removed_rows]:
        valid_idx = [x for x in range(0, cs) if x not in removed_cols]
        first = valid_idx[0]
        if m[r][first] != '.' and all(map(lambda x: m[r][x] == m[r][first], valid_idx)):
            #cut r
            cut = True
            actions.append(f"R {r+1} {m[r][first]}")
            removed_rows.add(r)
            break

    if not cut:
        for c in [x for x in range(0, cs) if x not in removed_cols]:
            valid_idx = [x for x in range(0, rs) if x not in removed_rows]
            first = valid_idx[0]
            if m[first][c] != '.' and all(map(lambda x: m[x][c] == m[first][c], valid_idx)):
                cut = True
                actions.append(f"C {c+1} {m[first][c]}")
                removed_cols.add(c)
                break

    if not cut:
        break

    sol = True
    for (i, r) in enumerate(m):
        if i in removed_rows:
            continue
        for (i, c) in enumerate(r):
            if i in removed_cols:
                continue
            if c != '.':
                sol = False
                break
        if not sol:
            break

if sol:
    print(len(actions))
    print("\n".join(reversed(actions)))
else:
    print("Impossible")

Test details

Test 1

Verdict: ACCEPTED

input
`3 3 .H. IHI TTT` view save

correct output
`3 R 2 I C 2 H R 3 T` view save

user output
`3 R 2 I C 2 H R 3 T` view save

Test 2

Verdict: ACCEPTED

input
`2 2 .H IH` view save

correct output
`2 R 2 I C 2 H` view save

user output
`2 R 2 I C 2 H` view save

Test 3

Verdict: ACCEPTED

input
`10 10 T.TIH..... IIIIIIIIII T.TIH..... TIIIHIIIII ...` view save

correct output
`7 C 3 T R 10 I R 4 I C 5 H ...` view save

user output
`7 C 3 T R 10 I R 4 I C 5 H ...` view save

Test 4

Verdict: ACCEPTED

input
`100 100 .............H........I.....IT...` view save

correct output
`19 R 3 T C 44 H R 34 I C 30 T ...` view save

user output
`19 R 3 T C 44 H R 34 I C 30 T ...` view save

Test 5

Verdict: ACCEPTED

input
`100 100 .........................H.......` view save

correct output
`Impossible` view save

user output
`Impossible` view save

Test 6

Verdict: ACCEPTED

input
`1000 1000 H.II..T.I.IH..I..H.I..I..ITHH....` view save

correct output
`Impossible` view save

user output
`Impossible` view save

Test 7

Verdict: ACCEPTED

input
`1000 1000 HHHIHHHHHHHHHHHHIHHHHHHHHHHHHH...` view save

correct output
`Impossible` view save

user output
`Impossible` view save

Test 8

Verdict: TIME LIMIT EXCEEDED

input
`1000 1000 IHIHTI.T.H..IHHIIT.I.TT.HH.HI....` view save

correct output
`1552 C 822 I C 83 T C 55 I R 984 H ...` view save

user output
(empty)

Test 9

Verdict: TIME LIMIT EXCEEDED

input
`1000 1000 HHHHHHHHHHHHHHHHHHHHHIHHHHHHHH...` view save

correct output
`1727 R 500 I C 938 H C 804 H R 263 H ...` view save

user output
(empty)

Test 10

Verdict: TIME LIMIT EXCEEDED

input
`1000 1000 TITTTHTITTHTHTHITTTTTTTHTHTTTI...` view save

correct output
`1856 C 22 H R 531 T C 412 H C 288 H ...` view save

user output
(empty)

Test 11

Verdict: TIME LIMIT EXCEEDED

input
`1000 1000 IHHTTTTHTIIIHTTTTHTIITTTHHITIT...` view save

correct output
`1826 R 200 H R 167 I C 445 I C 355 I ...` view save

user output
(empty)

Test 12

Verdict: TIME LIMIT EXCEEDED

input
`1000 1000 TTTTTITTTHTHTITIIHTIITIHTTIHTT...` view save

correct output
`Impossible` view save

user output
(empty)

Test 13

Verdict: TIME LIMIT EXCEEDED

input
`1000 1000 TITHITITIITTIIIIIHIIIIHTIIIHTI...` view save

correct output
`Impossible` view save

user output
(empty)

Test 14

Verdict: TIME LIMIT EXCEEDED

input
`1000 1000 TTTTTTTTTTTTTTTTTTTITTTTTTTITT...` view save

correct output
`Impossible` view save

user output
(empty)

Test 15

Verdict: ACCEPTED

input
`1000 1000 IHTHHHIHIIIHHTTHHHHIHIIHHIHHHH...` view save

correct output
`Impossible` view save

user output
`Impossible` view save

Test 16

Verdict: RUNTIME ERROR

input
`1000 500 HIHHTHTITTHIHTHTTHIHTTIHTTHHTH...` view save

correct output
`1417 C 75 I R 430 T C 195 H R 441 I ...` view save

user output
(empty)

Error:

Traceback (most recent call last):
  File "input/code.py", line 23, in <module>
    if m[r][first] != '.' and all(map(lambda x: m[r][x] == m[r][first], valid_idx)):
  File "input/code.py", line 23, in <lambda>
    if m[r][first] != '.' and all(map(lambda x: m[r][x] == m[r][first], valid_idx)):
IndexError: list index out of range

Test 17

Verdict: RUNTIME ERROR

input
`500 1000 IHIIIHIIHIIIIIHIHHIIIIIIIIIIII...` view save

correct output
`1418 C 971 T C 744 I C 654 I C 540 T ...` view save

user output
(empty)

Error:

Traceback (most recent call last):
  File "input/code.py", line 8, in <module>
    m = [list(input()) for _ in range(rs)]
  File "input/code.py", line 8, in <listcomp>
    m = [list(input()) for _ in range(rs)]
EOFError

Test 18

Verdict: RUNTIME ERROR

input
`1000 500 IIIIIIIIIIIIIIITIIIIIIITTIIIII...` view save

correct output
`Impossible` view save

user output
(empty)

Error:

Traceback (most recent call last):
  File "input/code.py", line 34, in <module>
    if m[first][c] != '.' and all(map(lambda x: m[x][c] == m[first][c], valid_idx)):
IndexError: list index out of range

Test 19

Verdict: RUNTIME ERROR

input
`500 1000 HIITITHHHHIHHIHHTHIIIHHHHTHTHH...` view save

correct output
`Impossible` view save

user output
(empty)

Error:

Traceback (most recent call last):
  File "input/code.py", line 8, in <module>
    m = [list(input()) for _ in range(rs)]
  File "input/code.py", line 8, in <listcomp>
    m = [list(input()) for _ in range(rs)]
EOFError

Test 20

Verdict: TIME LIMIT EXCEEDED

input
`1000 1000 TIITIIIIIIIIIIIIIIIIIHIHIIIIII...` view save

correct output
`Impossible` view save

user output
(empty)

Test 21

Verdict: TIME LIMIT EXCEEDED

input
`1000 1000 TTHTTTTTHTTTHTTTTTTTTHHTTTTTIT...` view save

correct output
`Impossible` view save

user output
(empty)

Test 22

Verdict: TIME LIMIT EXCEEDED

input
`1000 1000 IHIIIIITHIIIHIHHHITHIIIIHTTIHI...` view save

correct output
`Impossible` view save

user output
(empty)

Test 23

Verdict: TIME LIMIT EXCEEDED

input
`1000 1000 TTHIHIITHTI.HHIHHITIHIHIHIITIH...` view save

correct output
`Impossible` view save

user output
(empty)

Test 24

Verdict: ACCEPTED

input
`1000 1000 IHIHIIIIIIIIIHIIIHIHIITIHIIIII...` view save

correct output
`Impossible` view save

user output
`Impossible` view save

Test 25

Verdict: RUNTIME ERROR

input
`1000 500 HIHITTIHITHHHTITHIHHHTHHIHHIII...` view save

correct output
`Impossible` view save

user output
(empty)

Error:

Traceback (most recent call last):
  File "input/code.py", line 23, in <module>
    if m[r][first] != '.' and all(map(lambda x: m[r][x] == m[r][first], valid_idx)):
  File "input/code.py", line 23, in <lambda>
    if m[r][first] != '.' and all(map(lambda x: m[r][x] == m[r][first], valid_idx)):
IndexError: list index out of range

Test 26

Verdict: RUNTIME ERROR

input
`500 1000 HHHHHHHHHHHHHHHHHHHHHHHHHHHHHH...` view save

correct output
`Impossible` view save

user output
(empty)

Error:

Traceback (most recent call last):
  File "input/code.py", line 8, in <module>
    m = [list(input()) for _ in range(rs)]
  File "input/code.py", line 8, in <listcomp>
    m = [list(input()) for _ in range(rs)]
EOFError

Test 27

Verdict: RUNTIME ERROR

input
`1000 500 TTTTIHTTTHTTHTITTTTHTHTTHTITTI...` view save

correct output
`Impossible` view save

user output
(empty)

Error:

Traceback (most recent call last):
  File "input/code.py", line 23, in <module>
    if m[r][first] != '.' and all(map(lambda x: m[r][x] == m[r][first], valid_idx)):
  File "input/code.py", line 23, in <lambda>
    if m[r][first] != '.' and all(map(lambda x: m[r][x] == m[r][first], valid_idx)):
IndexError: list index out of range

Test 28

Verdict: RUNTIME ERROR

input
`500 1000 HTIIIHIIIHITIHIIIIIIHTIIIIITHI...` view save

correct output
`Impossible` view save

user output
(empty)

Error:

Traceback (most recent call last):
  File "input/code.py", line 8, in <module>
    m = [list(input()) for _ in range(rs)]
  File "input/code.py", line 8, in <listcomp>
    m = [list(input()) for _ in range(rs)]
EOFError

Test 29

Verdict: WRONG ANSWER

input
`1000 1000 .................................` view save

correct output
`0` view save

user output
`Impossible` view save

Test 30

Verdict: ACCEPTED

input
`1000 1000 .................................` view save

correct output
`1 C 562 T` view save

user output
`1 C 562 T` view save

HIIT Open 2024

Hiitism

Code

Test details

Test 1

Test 2

Test 3

Test 4

Test 5

Test 6

Test 7

Test 8

Test 9

Test 10

Test 11

Test 12

Test 13

Test 14

Test 15

Test 16

Test 17

Test 18

Test 19

Test 20

Test 21

Test 22

Test 23

Test 24

Test 25

Test 26

Test 27

Test 28

Test 29

Test 30

Tasks

Submissions (Viestipojat)