Submission #2749712
Source Code Expand
#include<bits/stdc++.h> using namespace std; string s;int k; set<string>tt; int main(){ std::ios::sync_with_stdio(false); cin>>s>>k; int len=s.size(); for(int i=0;i<len;i++){ string ss=""; for(int j=i;j<len;j++){ ss+=s[j]; tt.insert(ss); auto it=tt.end();it--; if(tt.size()>k) tt.erase(it); } } auto it=tt.begin();int num=1; while(num<k) it++,num++; cout<<*it<<endl; return 0; }
Submission Info
Submission Time | |
---|---|
Task | C - K-th Substring |
User | vainglory |
Language | C++14 (GCC 5.4.1) |
Score | 300 |
Code Size | 427 Byte |
Status | AC |
Exec Time | 1078 ms |
Memory | 256 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 | 1055 ms | 256 KB |
2_012.txt | AC | 1055 ms | 256 KB |
2_013.txt | AC | 874 ms | 256 KB |
2_014.txt | AC | 1074 ms | 256 KB |
2_015.txt | AC | 584 ms | 256 KB |
2_016.txt | AC | 1078 ms | 256 KB |
2_017.txt | AC | 1072 ms | 256 KB |
2_018.txt | AC | 1072 ms | 256 KB |