Submission #40188501

Source Code Expand

def main():
    H, W = map(int, input().split())
    A = [list(map(int, input().split())) for _ in range(H)]

    def dfs(current_pos: tuple, visited_numbers: set) -> int:
        if current_pos == (H-1, W-1):
            return 1
        h, w = current_pos
        count = 0
        if h < H-1:
            next_num = A[h+1][w]
            if next_num not in visited_numbers:
                visited_numbers.add(next_num)
                count += dfs((h+1, w), visited_numbers)
                visited_numbers.remove(next_num)
        if w < W-1:
            next_num = A[h][w+1]
            if next_num not in visited_numbers:
                visited_numbers.add(next_num)
                count += dfs((h, w+1), visited_numbers)
                visited_numbers.remove(next_num)
        return count
    print(dfs((0, 0), {A[0][0]}))

main()

Submission Info

Submission Time
Task C - Make Takahashi Happy
User Aruma256
Language Python (3.8.2)
Score 300
Code Size 868 Byte
Status AC
Exec Time 109 ms
Memory 9080 KiB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 300 / 300
Status
AC × 2
AC × 25
Set Name Test Cases
Sample example0.txt, example1.txt
All 000.txt, 001.txt, 002.txt, 003.txt, 004.txt, 005.txt, 006.txt, 007.txt, 008.txt, 009.txt, 010.txt, 011.txt, 012.txt, 013.txt, 014.txt, 015.txt, 016.txt, 017.txt, 018.txt, 019.txt, 020.txt, 021.txt, 022.txt, example0.txt, example1.txt
Case Name Status Exec Time Memory
000.txt AC 24 ms 9080 KiB
001.txt AC 19 ms 9000 KiB
002.txt AC 84 ms 8892 KiB
003.txt AC 99 ms 8888 KiB
004.txt AC 20 ms 8960 KiB
005.txt AC 23 ms 9048 KiB
006.txt AC 97 ms 9016 KiB
007.txt AC 19 ms 9080 KiB
008.txt AC 18 ms 8960 KiB
009.txt AC 19 ms 9072 KiB
010.txt AC 97 ms 8964 KiB
011.txt AC 102 ms 8892 KiB
012.txt AC 97 ms 8984 KiB
013.txt AC 93 ms 8948 KiB
014.txt AC 91 ms 8852 KiB
015.txt AC 87 ms 8936 KiB
016.txt AC 54 ms 8888 KiB
017.txt AC 40 ms 8888 KiB
018.txt AC 57 ms 8892 KiB
019.txt AC 60 ms 8888 KiB
020.txt AC 42 ms 9068 KiB
021.txt AC 41 ms 8948 KiB
022.txt AC 43 ms 8984 KiB
example0.txt AC 21 ms 8964 KiB
example1.txt AC 109 ms 8940 KiB