AtCoder Beginner Contest 012

Submission #3979777

Source codeソースコード

def warshall_floyd(v_count: int, matrix: list) -> list:
    """ ワーシャルフロイド(user: htkb)
    :param v_count: 頂点数
    :param matrix: 隣接行列(到達不能はfloat("inf"))
    """
    # 到達不能をfloat("inf")にしておけば余計なチェックを入れなくても
    # inf > inf+(-1) のような到達不能+負辺が繋がってしまうことはない
    for i in range(v_count):
        for j, c2 in enumerate(row[i] for row in matrix):
            for k, (c1, c3) in enumerate(zip(matrix[j], matrix[i])):
                  matrix[j][k] = min(c1, c2+c3)
    return matrix


if __name__ == "__main__":
    import sys
    N, M = map(int, input().split())

    inf = float("inf")
    matrix = [[inf]*N for _ in [0]*N]
    for i in range(N):
        matrix[i][i] = 0

    for a, b, t in (map(int, l.split()) for l in sys.stdin):
        matrix[a-1][b-1] = matrix[b-1][a-1] = t

    matrix = warshall_floyd(N, matrix)

    print(min(max(row) for row in matrix))

Submission

Task問題 D - バスと避けられない運命
User nameユーザ名 odanny
Created time投稿日時
Language言語 Python3 (3.4.3)
Status状態 TLE
Score得点 0
Source lengthソースコード長 1027 Byte
File nameファイル名
Exec time実行時間 ms
Memory usageメモリ使用量 -

Test case

Set

Set name Score得点 / Max score Cases
All 0 / 100 sample_01.txt,sample_02.txt,sample_03.txt,test_01.txt,test_02.txt,test_03.txt,test_04.txt,test_05.txt,test_06.txt,test_07.txt,test_08.txt,test_09.txt,test_10.txt,test_11.txt,test_12.txt,test_13.txt,test_14.txt,test_15.txt,test_16.txt,test_17.txt,test_18.txt,test_19.txt,test_20.txt,test_21.txt,test_22.txt,test_23.txt,test_24.txt,test_25.txt,test_26.txt,test_27.txt,test_28.txt,test_29.txt,test_30.txt,test_31.txt,test_32.txt,test_33.txt,test_34.txt,test_35.txt,test_36.txt

Test case

Case name Status状態 Exec time実行時間 Memory usageメモリ使用量
sample_01.txt AC 18 ms 3064 KB
sample_02.txt AC 18 ms 3064 KB
sample_03.txt AC 18 ms 3064 KB
test_01.txt AC 18 ms 3064 KB
test_02.txt TLE
test_03.txt TLE
test_04.txt AC 2450 ms 4552 KB
test_05.txt AC 1976 ms 3940 KB
test_06.txt AC 193 ms 3188 KB
test_07.txt AC 4974 ms 4796 KB
test_08.txt AC 26 ms 3064 KB
test_09.txt AC 1375 ms 3692 KB
test_10.txt AC 160 ms 3188 KB
test_11.txt AC 188 ms 3188 KB
test_12.txt AC 3702 ms 5056 KB
test_13.txt AC 202 ms 3188 KB
test_14.txt AC 302 ms 3188 KB
test_15.txt AC 4551 ms 4688 KB
test_16.txt AC 347 ms 3316 KB
test_17.txt AC 1621 ms 3804 KB
test_18.txt AC 3207 ms 4912 KB
test_19.txt AC 389 ms 3316 KB
test_20.txt AC 316 ms 3316 KB
test_21.txt AC 18 ms 3064 KB
test_22.txt AC 1078 ms 3792 KB
test_23.txt AC 21 ms 3064 KB
test_24.txt TLE
test_25.txt TLE
test_26.txt AC 1687 ms 4200 KB
test_27.txt AC 2269 ms 4544 KB
test_28.txt TLE
test_29.txt TLE
test_30.txt AC 333 ms 3436 KB
test_31.txt AC 39 ms 3064 KB
test_32.txt TLE
test_33.txt TLE
test_34.txt AC 119 ms 3188 KB
test_35.txt AC 1319 ms 4084 KB
test_36.txt TLE