Submission #2560314


Source Code Expand

#include <bits/stdc++.h>

using namespace std;
#define rep(i, n) for(int i = 0 ; i < (int)(n) ; i++)
typedef long long ll;
typedef long double Double;

#ifndef INPUTS_DIR
#define INPUTS_DIR "./"
#endif


void solve(string S, ll K) {
    vector<string> s;
    for (int i = 0; i < S.size(); i++) {
        string sub = "";
        for (int j = 0; j < 5; j++) {
            if (i + j >= S.size()) break;
            sub += S[i + j];
            s.push_back(sub);
        }
    }
    sort(s.begin(), s.end());
    s.erase(unique(s.begin(), s.end()), s.end());
    cout << s[K - 1] << endl;
}


void main_(istream &cin) {
    ll K;
    string s;
    cin >> s;
    cin >> K;
    solve(s, K);
}

int main() {
#ifdef INTELLIJ
    ifstream ifs(string(INPUTS_DIR) + "in_1.txt");
    if (ifs.is_open()) {
        main_(ifs);
        ifs.close();
    } else {
        cerr << "Error: no input." << endl;
    }
#else
    ios::sync_with_stdio(false);
    cin.tie(0);
    main_(cin);
#endif
}



Submission Info

Submission Time
Task C - K-th Substring
User kyuridenamida
Language C++14 (GCC 5.4.1)
Score 300
Code Size 981 Byte
Status AC
Exec Time 10 ms
Memory 1788 KB

Judge Result

Set Name Sample Subtask All
Score / Max Score 0 / 0 200 / 200 100 / 100
Status
AC × 3
AC × 11
AC × 19
Set Name Test Cases
Sample 0_000.txt, 0_001.txt, 0_002.txt
Subtask 0_000.txt, 0_001.txt, 0_002.txt, 1_003.txt, 1_004.txt, 1_005.txt, 1_006.txt, 1_007.txt, 1_008.txt, 1_009.txt, 1_010.txt
All 0_000.txt, 0_001.txt, 0_002.txt, 1_003.txt, 1_004.txt, 1_005.txt, 1_006.txt, 1_007.txt, 1_008.txt, 1_009.txt, 1_010.txt, 2_011.txt, 2_012.txt, 2_013.txt, 2_014.txt, 2_015.txt, 2_016.txt, 2_017.txt, 2_018.txt
Case Name Status Exec Time Memory
0_000.txt AC 1 ms 256 KB
0_001.txt AC 1 ms 256 KB
0_002.txt AC 1 ms 256 KB
1_003.txt AC 1 ms 256 KB
1_004.txt AC 1 ms 256 KB
1_005.txt AC 1 ms 256 KB
1_006.txt AC 1 ms 256 KB
1_007.txt AC 1 ms 256 KB
1_008.txt AC 1 ms 256 KB
1_009.txt AC 1 ms 256 KB
1_010.txt AC 1 ms 256 KB
2_011.txt AC 7 ms 1660 KB
2_012.txt AC 7 ms 1660 KB
2_013.txt AC 9 ms 1532 KB
2_014.txt AC 10 ms 1660 KB
2_015.txt AC 7 ms 1280 KB
2_016.txt AC 10 ms 1660 KB
2_017.txt AC 10 ms 1660 KB
2_018.txt AC 9 ms 1788 KB