Submission #4076656


Source Code Expand

#include <bits/stdc++.h>
using namespace std;
bool f(string chars, string orig, int change, string& out)
{
    if (change < 0) return false;
    if (chars.size() == 0) {
        out = "";
        return true;
    }
    if (change == 0) {
        string sc = chars; sort(begin(sc), end(sc));
        string so = orig; sort(begin(so), end(so));
        if (sc == so) {
            out = orig;
            return true;
        } else {
            return false;
        }
    }
    string sc = chars; sort(begin(sc), end(sc));
    for (int i = 0; i < sc.size(); i++) {
        string c, o;
        for (int j = 0; j < i; j++) c.push_back(sc[j]);
        for (int j = i+1; j < sc.size(); j++) c.push_back(sc[j]);
        if (f(c, orig.substr(1), change - (sc[i] != orig[0]), o)) {
            out = string(1, sc[i]) + o;
            return true;
        }
    }
    return false;
}
int main()
{
    int N, K; cin >> N >> K;
    string S; cin >> S;
    string ans;
    f(S, S, K, ans);
    cout << ans << endl;
    return 0;
}

Submission Info

Submission Time
Task C - 辞書式順序ふたたび
User ha15
Language C++14 (GCC 5.4.1)
Score 0
Code Size 1060 Byte
Status TLE
Exec Time 2107 ms
Memory 256 KB

Judge Result

Set Name All
Score / Max Score 0 / 100
Status
AC × 44
TLE × 14
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 2 ms 256 KB
hand_2_4.txt AC 1 ms 256 KB
hand_2_5.txt AC 2 ms 256 KB
hand_2_6.txt AC 2 ms 256 KB
hand_2_7.txt AC 2 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 2 ms 256 KB
hand_3_4.txt AC 1 ms 256 KB
hand_3_5.txt AC 2 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 TLE 2103 ms 256 KB
hand_4_4.txt TLE 2103 ms 256 KB
hand_4_5.txt TLE 2103 ms 256 KB
hand_4_6.txt TLE 2103 ms 256 KB
random_1.txt AC 2 ms 256 KB
random_10.txt TLE 2103 ms 256 KB
random_11.txt TLE 2107 ms 256 KB
random_12.txt TLE 2103 ms 256 KB
random_13.txt TLE 2103 ms 256 KB
random_14.txt TLE 2103 ms 256 KB
random_15.txt AC 2 ms 256 KB
random_2.txt TLE 2103 ms 256 KB
random_3.txt TLE 2103 ms 256 KB
random_4.txt TLE 2103 ms 256 KB
random_5.txt AC 1 ms 256 KB
random_6.txt TLE 2103 ms 256 KB
random_7.txt AC 3 ms 256 KB
random_8.txt AC 6 ms 256 KB
random_9.txt TLE 2103 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