Submission #3919633


Source Code Expand

#include <bits/stdc++.h>

using namespace std;
using ll = long long;

#define REP(i, n)   for(int i = 0;            i <  (int)(n); i++)
#define cREP(i, n)  for(int i = 1;            i <= (int)(n); i++)
#define rREP(i, n)  for(int i = (int)(n) - 1; i >= 0;        i++)
#define rcREP(i, n) for(int i = (int)(n);     i >  0;        i++)

int main() {
    cin.tie(0);
   	ios::sync_with_stdio(false);

    std::string s;
    int K;

    std::cin >> s;
    std::cin >> K;

    std::set<std::string> substr;
    REP(begin_index, s.size()) {
        cREP(i, s.size() - begin_index) {
            substr.insert(s.substr(begin_index, i));
        }
    }

    auto itr = substr.begin();
    REP(i, K - 1) {
        itr++;
    }
    std::cout << *itr << std::endl;
    
    return 0;
}

Submission Info

Submission Time
Task C - K-th Substring
User medalotte
Language C++14 (GCC 5.4.1)
Score 200
Code Size 809 Byte
Status TLE
Exec Time 2229 ms
Memory 2027008 KB

Judge Result

Set Name Sample Subtask All
Score / Max Score 0 / 0 200 / 200 0 / 100
Status
AC × 3
AC × 11
AC × 11
TLE × 8
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 2 ms 384 KB
1_009.txt AC 1 ms 256 KB
1_010.txt AC 2 ms 384 KB
2_011.txt TLE 2104 ms 16256 KB
2_012.txt TLE 2105 ms 22144 KB
2_013.txt TLE 2213 ms 1799296 KB
2_014.txt TLE 2221 ms 1934208 KB
2_015.txt TLE 2210 ms 1694336 KB
2_016.txt TLE 2225 ms 2001792 KB
2_017.txt TLE 2229 ms 2027008 KB
2_018.txt TLE 2225 ms 1996800 KB