CSES - Datatähti 2024 alku - Results
Submission details
Task:Laskettelukeskus
Sender:Masemiliano
Submission time:2023-11-02 17:22:46 +0200
Language:Python3 (CPython3)
Status:READY
Result:0
Feedback
groupverdictscore
#10
#20
Test results
testverdicttimegroup
#1ACCEPTED0.02 s1, 2details
#20.02 s1, 2details
#30.02 s1, 2details
#40.02 s2details
#50.02 s2details
#60.02 s1, 2details
#70.02 s2details
#80.02 s1, 2details
#90.02 s2details
#100.02 s1, 2details
#110.02 s2details
#120.02 s1, 2details
#130.02 s2details

Code

# slopes = int(input())
slopes = 5

roads = [ [] for _ in range(slopes)]


"""for n in range(1, slopes):
    road = input()
    from_, to_ = road.split()
    roads[int(from_) - 1].append(int(to_))"""


roaf = ["1 2", "1 3", "3 4", "3 5"]
for road in roaf:
    from_, to_ = road.split()
    roads[int(from_) - 1].append(int(to_))


# plowes = [int(g) for g in input().split()]

plowes = [int(g) for g in "0 2 4 3 1".split()]


def pathfinding():
    start = 1

    positions_next = []

    paths = []

    for v in roads[start - 1]:
        plus = 0
        if plowes[0] > 0:
            plus += 1
        if plowes[v - 1] > 0:
            plus += 1
        positions_next.append([plus, 1, v])


    while True:
        # print(positions_next)
        positions_next_new = []
        for p in positions_next:
            # print(roads[p[-1] - 1])

            if roads[p[-1] - 1]:

                for p2 in roads[p[-1] - 1]:
                    new = p.copy()
                    new.append(p2)
                    if plowes[p2 - 1] > 0:
                        new[0] += 1
                    positions_next_new.append(new)

            else:
                paths.append(p)

        positions_next = positions_next_new.copy()
        if not positions_next:
            break

    big_ass = 0
    what = []

    for ph in paths:
        if ph[0] > big_ass:
            what = ph
            big_ass = ph[0]
    if what:
        return what
        # print(what)


times = 0

while len(set(plowes)) > 1:
    taken_path = pathfinding()
    taken_path.pop(0)

    for t in taken_path:
        if plowes[t - 1] > 0:
            plowes[t - 1] -= 1

    times += 1

print(times)

Test details

Test 1

Group: 1, 2

Verdict: ACCEPTED

input
5
1 2
1 3
3 4
3 5
...

correct output
6

user output
6

Test 2

Group: 1, 2

Verdict:

input
100
1 73
1 64
64 23
1 88
...

correct output
2675

user output
6

Test 3

Group: 1, 2

Verdict:

input
100
1 36
36 56
56 59
36 97
...

correct output
2808

user output
6

Test 4

Group: 2

Verdict:

input
100000
1 45452
1 74209
45452 78960
45452 79820
...

correct output
28399367694319

user output
6

Test 5

Group: 2

Verdict:

input
100000
1 31165
1 23263
31165 89516
31165 53122
...

correct output
28546840313799

user output
6

Test 6

Group: 1, 2

Verdict:

input
100
1 79
79 9
79 45
45 10
...

correct output
0

user output
6

Test 7

Group: 2

Verdict:

input
100000
1 66038
1 56789
56789 7403
66038 69542
...

correct output
0

user output
6

Test 8

Group: 1, 2

Verdict:

input
100
1 2
2 3
3 4
4 5
...

correct output
100

user output
6

Test 9

Group: 2

Verdict:

input
100000
1 2
2 3
3 4
4 5
...

correct output
1000000000

user output
6

Test 10

Group: 1, 2

Verdict:

input
100
1 2
1 3
2 4
2 5
...

correct output
2809

user output
6

Test 11

Group: 2

Verdict:

input
100000
1 2
1 3
2 4
2 5
...

correct output
26053917212428

user output
6

Test 12

Group: 1, 2

Verdict:

input
100
1 2
1 3
2 4
2 5
...

correct output
5000

user output
6

Test 13

Group: 2

Verdict:

input
100000
1 2
1 3
2 4
2 5
...

correct output
50000000000000

user output
6