Submission #2211874


Source Code Expand

# -*- coding: utf-8 -*-
from collections import Counter
def inpl(): return map(int, input().split())
N, K = inpl()
S = list(input())
A = sorted(S)
res = "".join(S)

for i in range(N+1):
    miss = sum([1 for s, a in zip(S[:i], A[:i]) if s!=a])
    
    CS, CA = Counter(S[i:]), Counter(A[i:])
    D = Counter()
    for k in CS.keys():
        D[k] = CS[k] - CA[k]
    E = sorted(D.elements(), reverse=True)

    F = Counter()
    for k in CA.keys():
        F[k] = CA[k] - CS[k]
    G = sorted(F.elements(), reverse=True)


    if miss + len(E) > K:
        continue
    
    tmp = A[:i]
    for s in S[i:]:
        if D[s] > 0:
            D[s] -= 1
            tmp += G.pop()
        else:
            tmp += s
    res = min(res, "".join(tmp))

print(res)

Submission Info

Submission Time
Task C - 辞書式順序ふたたび
User nadare881
Language Python (3.4.3)
Score 0
Code Size 792 Byte
Status WA
Exec Time 30 ms
Memory 3316 KB

Judge Result

Set Name All
Score / Max Score 0 / 100
Status
AC × 34
WA × 24
Set Name Test Cases
All hand_1_0.txt, hand_1_1.txt, hand_1_2.txt, hand_1_3.txt, hand_1_4.txt, hand_1_5.txt, hand_1_6.txt, hand_1_7.txt, hand_1_8.txt, hand_2_0.txt, hand_2_1.txt, hand_2_10.txt, hand_2_2.txt, hand_2_3.txt, hand_2_4.txt, hand_2_5.txt, hand_2_6.txt, hand_2_7.txt, hand_2_8.txt, hand_2_9.txt, hand_3_2.txt, hand_3_3.txt, hand_3_4.txt, hand_3_5.txt, hand_3_6.txt, hand_4_2.txt, hand_4_3.txt, hand_4_4.txt, hand_4_5.txt, hand_4_6.txt, random_1.txt, random_10.txt, random_11.txt, random_12.txt, random_13.txt, random_14.txt, random_15.txt, random_2.txt, random_3.txt, random_4.txt, random_5.txt, random_6.txt, random_7.txt, random_8.txt, random_9.txt, sample_1.txt, sample_2.txt, sample_3.txt, sample_4.txt, small_1.txt, small_2.txt, small_3.txt, small_4.txt, small_5.txt, small_6.txt, small_7.txt, small_8.txt, small_9.txt
Case Name Status Exec Time Memory
hand_1_0.txt AC 21 ms 3316 KB
hand_1_1.txt AC 21 ms 3316 KB
hand_1_2.txt WA 21 ms 3316 KB
hand_1_3.txt WA 21 ms 3316 KB
hand_1_4.txt AC 21 ms 3316 KB
hand_1_5.txt AC 21 ms 3316 KB
hand_1_6.txt AC 21 ms 3316 KB
hand_1_7.txt AC 21 ms 3316 KB
hand_1_8.txt AC 21 ms 3316 KB
hand_2_0.txt AC 21 ms 3316 KB
hand_2_1.txt AC 21 ms 3316 KB
hand_2_10.txt AC 21 ms 3316 KB
hand_2_2.txt WA 21 ms 3316 KB
hand_2_3.txt WA 21 ms 3316 KB
hand_2_4.txt AC 21 ms 3316 KB
hand_2_5.txt AC 21 ms 3316 KB
hand_2_6.txt WA 21 ms 3316 KB
hand_2_7.txt WA 21 ms 3316 KB
hand_2_8.txt AC 21 ms 3316 KB
hand_2_9.txt AC 21 ms 3316 KB
hand_3_2.txt WA 21 ms 3316 KB
hand_3_3.txt WA 21 ms 3316 KB
hand_3_4.txt WA 21 ms 3316 KB
hand_3_5.txt WA 21 ms 3316 KB
hand_3_6.txt AC 21 ms 3316 KB
hand_4_2.txt WA 21 ms 3316 KB
hand_4_3.txt WA 21 ms 3316 KB
hand_4_4.txt WA 21 ms 3316 KB
hand_4_5.txt WA 22 ms 3316 KB
hand_4_6.txt WA 21 ms 3316 KB
random_1.txt WA 22 ms 3316 KB
random_10.txt WA 27 ms 3316 KB
random_11.txt WA 27 ms 3316 KB
random_12.txt WA 28 ms 3316 KB
random_13.txt WA 29 ms 3316 KB
random_14.txt WA 29 ms 3316 KB
random_15.txt AC 30 ms 3316 KB
random_2.txt AC 23 ms 3316 KB
random_3.txt AC 24 ms 3316 KB
random_4.txt WA 24 ms 3316 KB
random_5.txt AC 26 ms 3316 KB
random_6.txt WA 26 ms 3316 KB
random_7.txt AC 26 ms 3316 KB
random_8.txt AC 27 ms 3316 KB
random_9.txt WA 27 ms 3316 KB
sample_1.txt AC 21 ms 3316 KB
sample_2.txt AC 21 ms 3316 KB
sample_3.txt AC 21 ms 3316 KB
sample_4.txt AC 21 ms 3316 KB
small_1.txt AC 20 ms 3316 KB
small_2.txt AC 20 ms 3316 KB
small_3.txt AC 21 ms 3316 KB
small_4.txt AC 21 ms 3316 KB
small_5.txt AC 21 ms 3316 KB
small_6.txt AC 21 ms 3316 KB
small_7.txt AC 21 ms 3316 KB
small_8.txt AC 21 ms 3316 KB
small_9.txt AC 21 ms 3316 KB