Submission #1456758


Source Code Expand

#include <iostream>
#include <vector>
#include <unordered_set>
#include <unordered_map>
#include <algorithm>

using namespace std;
using llng = long long;
using vi = vector<int>;
using vvi = vector<vi>;
using vs = vector<string>;
template<class T> using hset = unordered_set<T>;
template<class Key, class T> using hmap = unordered_map<Key, T>;

int main() {
    int N, K; cin >> N >> K;
    string S; cin >> S;
    vi A(26);
    for (int i=0; i<N; i++) A[S[i]-'a']++;

    string ans = "";
    for (int i=0; i<N; i++) {
        for (int j=0; j<26; j++) if (A[j]) {
            int diff = 0;
            vi tmp = A; tmp[j]--;
            for (int k=i+1; k<N; k++) {
                if (tmp[S[k]-'a'] == 0) diff++;
                else tmp[S[k]-'a']--;
            }
            if (diff <= K-(S[i] != 'a'+j ? 1 : 0)) {
                ans += 'a'+j;
                A[j]--;
                if (S[i] != 'a'+j) K--;
                break;
            }
        }
    }
    cout << ans << endl;
    return 0;
}

Submission Info

Submission Time
Task C - 辞書式順序ふたたび
User hidollara
Language C++14 (GCC 5.4.1)
Score 100
Code Size 1046 Byte
Status AC
Exec Time 1 ms
Memory 256 KB

Judge Result

Set Name All
Score / Max Score 100 / 100
Status
AC × 58
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 1 ms 256 KB
hand_1_1.txt AC 1 ms 256 KB
hand_1_2.txt AC 1 ms 256 KB
hand_1_3.txt AC 1 ms 256 KB
hand_1_4.txt AC 1 ms 256 KB
hand_1_5.txt AC 1 ms 256 KB
hand_1_6.txt AC 1 ms 256 KB
hand_1_7.txt AC 1 ms 256 KB
hand_1_8.txt AC 1 ms 256 KB
hand_2_0.txt AC 1 ms 256 KB
hand_2_1.txt AC 1 ms 256 KB
hand_2_10.txt AC 1 ms 256 KB
hand_2_2.txt AC 1 ms 256 KB
hand_2_3.txt AC 1 ms 256 KB
hand_2_4.txt AC 1 ms 256 KB
hand_2_5.txt AC 1 ms 256 KB
hand_2_6.txt AC 1 ms 256 KB
hand_2_7.txt AC 1 ms 256 KB
hand_2_8.txt AC 1 ms 256 KB
hand_2_9.txt AC 1 ms 256 KB
hand_3_2.txt AC 1 ms 256 KB
hand_3_3.txt AC 1 ms 256 KB
hand_3_4.txt AC 1 ms 256 KB
hand_3_5.txt AC 1 ms 256 KB
hand_3_6.txt AC 1 ms 256 KB
hand_4_2.txt AC 1 ms 256 KB
hand_4_3.txt AC 1 ms 256 KB
hand_4_4.txt AC 1 ms 256 KB
hand_4_5.txt AC 1 ms 256 KB
hand_4_6.txt AC 1 ms 256 KB
random_1.txt AC 1 ms 256 KB
random_10.txt AC 1 ms 256 KB
random_11.txt AC 1 ms 256 KB
random_12.txt AC 1 ms 256 KB
random_13.txt AC 1 ms 256 KB
random_14.txt AC 1 ms 256 KB
random_15.txt AC 1 ms 256 KB
random_2.txt AC 1 ms 256 KB
random_3.txt AC 1 ms 256 KB
random_4.txt AC 1 ms 256 KB
random_5.txt AC 1 ms 256 KB
random_6.txt AC 1 ms 256 KB
random_7.txt AC 1 ms 256 KB
random_8.txt AC 1 ms 256 KB
random_9.txt AC 1 ms 256 KB
sample_1.txt AC 1 ms 256 KB
sample_2.txt AC 1 ms 256 KB
sample_3.txt AC 1 ms 256 KB
sample_4.txt AC 1 ms 256 KB
small_1.txt AC 1 ms 256 KB
small_2.txt AC 1 ms 256 KB
small_3.txt AC 1 ms 256 KB
small_4.txt AC 1 ms 256 KB
small_5.txt AC 1 ms 256 KB
small_6.txt AC 1 ms 256 KB
small_7.txt AC 1 ms 256 KB
small_8.txt AC 1 ms 256 KB
small_9.txt AC 1 ms 256 KB