Submission #2505940


Source Code Expand

#include <iostream>
#include <string>
#include <vector>

int main(int argc, char* argv[]){
  std::string s;
  int n;
  std::getline(std::cin, s);
  std::cin >> n;
  std::vector<std::string> ss;

  for (std::size_t i = 0; i < s.length(); i++) {
    for (std::size_t len = 1; len <= s.length() ; len++){
      if (len + i > s.length()){
        break;
      }
      std::string a = s.substr(i, len);
      if(ss.size() == 0){
        ss.push_back(a);
      } else if (ss.size() >= 5){
        if (ss[4] <= a){
          break;
        }
      }
      for (size_t order = 0; order < 5; order++){
        if (ss[order] > a){
          ss.insert(ss.begin() + order, a);
          break;
        } else if (ss[order] == a) {
          break;
        } else if (order == ss.size() - 1){
          ss.push_back(a);
          break;
        }
      }

    }
  }

  std::cout << ss[n - 1] << std::endl;

  return 0;
}

Submission Info

Submission Time
Task C - K-th Substring
User kjys
Language C++14 (Clang 3.8.0)
Score 300
Code Size 953 Byte
Status AC
Exec Time 2 ms
Memory 256 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 2 ms 256 KB
2_012.txt AC 2 ms 256 KB
2_013.txt AC 1 ms 256 KB
2_014.txt AC 1 ms 256 KB
2_015.txt AC 1 ms 256 KB
2_016.txt AC 1 ms 256 KB
2_017.txt AC 1 ms 256 KB
2_018.txt AC 1 ms 256 KB