Submission #8329285
Source Code Expand
#include <iostream> #include <vector> #include <algorithm> #include <string> using namespace std; template <class T> inline bool chmax(T &a, T b) { if (a < b) { a = b; return 1; } return 0; } typedef long long ll; int main() { string s; cin >> s; ll K; cin >> K; // 文字列sを辞書順に並べたとき、 // K文字より大きい部分文字列はk番以内に入ることはない vector<string> substrings; for (ll i = 0; i < (ll)s.size(); i++) { for (ll j = 1; j <= K; j++) { substrings.push_back(s.substr(i,j)); } } // 重複排除 sort(substrings.begin(), substrings.end()); substrings.erase(unique(substrings.begin(), substrings.end()), substrings.end()); // 辞書順でk番目の連続する部分文字列 cout << substrings[K - 1] << endl; return 0; }
Submission Info
Submission Time | |
---|---|
Task | C - K-th Substring |
User | h_izu |
Language | C++14 (GCC 5.4.1) |
Score | 300 |
Code Size | 868 Byte |
Status | AC |
Exec Time | 10 ms |
Memory | 1660 KB |
Judge Result
Set Name | Sample | Subtask | All | ||||||
---|---|---|---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 200 / 200 | 100 / 100 | ||||||
Status |
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Set Name | Test Cases |
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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 | 9 ms | 1660 KB |
2_015.txt | AC | 7 ms | 1280 KB |
2_016.txt | AC | 10 ms | 1660 KB |
2_017.txt | AC | 9 ms | 1660 KB |
2_018.txt | AC | 9 ms | 1660 KB |